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Block Copolymer patents

      

This page is updated frequently with new Block Copolymer-related patent applications.




 Pattern forming method patent thumbnailPattern forming method
According to one embodiment, a pattern forming method includes forming a resist pattern on an under-layer, forming a recessed portion in the under-layer by etching the under-layer using the resist pattern as a mask, slimming the resist pattern, forming a neutral layer having an affinity for first and second polymers on a region of the under-layer not covered with the slimmed resist pattern, forming a block copolymer film containing the first polymer and the second polymer on the slimmed resist pattern and the neutral layer, and forming a microphase separation pattern comprising a first portion formed of the first polymer and a second portion formed of the second polymer by applying microphase separation processing to the block copolymer film.. .
Kabushiki Kaisha Toshiba


 Method of lubricating an internal combustion engine patent thumbnailMethod of lubricating an internal combustion engine
The invention provides a method of lubricating an internal combustion engine equipped with a centrifugal oil mist separator, wherein the lubricant contains 0.1 wt % to 8 wt % soot resulting from operation of the engine, and wherein the lubricant composition comprises an oil of lubricating viscosity, and 0.2 wt % to 3 wt % of a soot dispersing additive having a shear stability index of 0 to 25, wherein the soot dispersing additive comprises a block copolymer comprising (i) a vinyl aromatic monomer block and (ii), a conjugated diene olefin monomer block.. .
The Lubrizol Corporation


 Self-organization material and pattern formation method patent thumbnailSelf-organization material and pattern formation method
A self-organization material according to an embodiment includes a block copolymer and a top coat material. The block copolymer contains a first block and a second block.
Kabushiki Kaisha Toshiba


 Asphalt composition patent thumbnailAsphalt composition
An asphalt composition containing 0.5 parts by mass or more and 20 parts by mass or less of a block copolymer and 100 parts by mass of an asphalt; the block copolymer comprising a polymer block (a) mainly comprising a vinyl aromatic monomer unit, and a copolymer block (b) containing a conjugated diene monomer unit and a vinyl aromatic monomer unit.. .
Asahi Kasei Kabushiki Kaisha


 Styrenic block copolymer compositions patent thumbnailStyrenic block copolymer compositions
This disclosure relates to a block copolymer composition comprising a tetra-branched block copolymer (iv) having a true number average molecular weight of 40,000 to 120,000 represented by the general formula (a-b)4x; a tri-branched block copolymer (iii) having a true number average molecular weight of from 30,000 to 90,000 represented by the general formula (a-b)3x; di-branched block copolymer (ii) having a true number average molecular weight of from 20,000 to 60,000 represented by the general formula (a-b)2x; and a linear diblock copolymer (i) having a true number average molecular weight of from 10,000 to 30,000 represented by the general formula a-b; where a represents a polymer block of a mono alkenyl arene; b represents a polymer block of a conjugated diene, wherein the b has a true number average molecular weight ranging from 7,000 to 20,000 g/mol; and x represents the residue of an alkoxy silane coupling agent.. .
Kraton Polymers U.s. Llc


 Resin composition and sheet-shaped molded body thereof patent thumbnailResin composition and sheet-shaped molded body thereof
A resin composition according to the present invention contains a polypropylene-based resin (a), a hydrogenated block copolymer (b), and a hydrogenated block copolymer (c) in a particular mass ratio, and the hydrogenated block copolymer (b) and the hydrogenated block copolymer (c) have particular constitution. Moreover, a sheet-shaped molded body according to the present invention contains the resin composition according to the present invention.
Asahi Kasei Kabushiki Kaisha


 Polyglyoxylates, manufacture and use thereof patent thumbnailPolyglyoxylates, manufacture and use thereof
Self-immolative polymers degrade by an end-to-end depolymerization mechanism in response to the cleavage of a stabilizing end-cap from the polymer terminus. Examples include homopolymers, mixed polymers including block copolymers, suitable for a variety of applications.
The University Of Western Ontario


 Multiblock copolymer, rubber composition, and tire patent thumbnailMultiblock copolymer, rubber composition, and tire
A multiblock copolymer, obtainable by copolymerization of a conjugated diene compound and a non-conjugated olefin, is characterized in that: a structure of the multiblock copolymer includes a-(b-a)x and/or b-(a-b)x, wherein “a” represents a block portion constituted of monomer units of a non-conjugated olefin, “b” represents a block portion constituted of monomer units of a conjugated diene compound, and “x” represents an integer ≧1; content of the non-conjugated olefin portion is 50 mol %; 0 mol % <crystal content of the non-conjugated olefin portion 20 mol %; and 0% <degree of crystallinity of the non-conjugated olefin portion 40%. Vulcanized rubber having high fracture resistance and high crack resistance (thus a rubber composition and a tire each using the vulcanized rubber and having such excellent physical properties) can be manufactured from the multiblock polymer..
Bridgestone Corporation


 Block copolymer patent thumbnailBlock copolymer
A block copolymer, in particular for use as a dispersant for mineral binder compositions, including at least one first block a and at least one second block b, wherein the first block a has a monomer unit m1 and the second block b has a monomer unit m2. To this end a proportion of monomer units m2 which is in any case present in the first block a is less than 25 mol %, in particular less than or equal to 10 mol %, based on all the monomer units m1 in the first block a and a proportion of monomer units m1 which is in any case present in the second block b is less than 25 mol %, in particular less than or equal to 10 mol %, based on all the monomer units m2 in the second block b..
Sika Technology Ag


 Fentanyl-containing patch for external use patent thumbnailFentanyl-containing patch for external use
A patch for external use which has a laminate structure comprising a substrate and a pressure-sensitive adhesive layer which contains a styrene/isoprene/styrene block copolymer as the base and further contains a tackifier resin consisting of a rosin resin and at least one other tackifier resin, a softening agent consisting of polybutene and liquid paraffin, a fatty acid ester, and fentanyl, characterized in that the weight ratio of the rosin resin to fentanyl is 1 to 5, the weight ratio of the rosin resin to the whole tackifier resin is 0.1 to 0.6, and the tackifier resin accounts for 30 to 60 wt % of the whole pressure-sensitive adhesive layer. The patch is excellent in the permeation of fentanyl through the skin and in storage stability, and is weak in irritation to skin..
Teikoku Seiyaku Co., Ltd.


Polyester polyols and methods of making and using the same

Polyester polyols are generally disclosed, including methods of making and using them. In some embodiments, the polyester polyols are incorporated into a block copolymer, such as a polyurethane block copolymer.
Elevance Renewable Sciences, Inc.

Copolyester/controlled distribution styrenic block copolymer blends and methods of making and using same

A composition comprising (i) a controlled distribution styrenic block copolymer and (ii) a thermoplastic copolyester wherein the composition has a shore a hardness of from about 50 to about 90 and a melt flow rate of from about 15 g/10 min. To about 50 g/10 min.
Kraton Polymers U.s. Llc

Blends of styrene-butadiene block copolymer with styrenic thermoplastic elastomers for tubing applications

Polymer compositions containing conjugated diene monovinylarene block copolymers and styrenic thermoplastic elastomers are disclosed. These compositions can be used to produce tubing having superior kink resistance properties, and can be a replacement for flexible pvc in various end-use applications, such as in sheet products, film products, tubing products, and adhesive products..
Chevron Phillips Chemical Company Lp

Liquid triblock copolymer

Wherein a is a hydrophilic polymer, b a hydrophobic polymer and r are end-groups, wherein r is h or a c1-c30 organic moiety and wherein the copolymer is fluid in a temperature range of 0° c. To 37° c.

Fluoro-alcohol additives for orientation control of block copolymers

A film layer comprising a high-chi (χ) block copolymer for self-assembly and a hexafluoroalcohol-containing surface active polymer (sap) was prepared on a substrate surface that was neutral wetting to the domains of the self-assembled block copolymer. The block copolymer comprises at least one polycarbonate block and at least one other block (e.g., a substituted or unsubstituted styrene-based block).
International Business Machines Corporation

Iv anticoagulant treatment systems and methods

An intravenous delivery system may have a plurality of components with interior surfaces that cooperate to define a fluid pathway through which fluid flows into a body of a patient. One or more anticoagulant coatings may reside on one or more of the interior surfaces to restrict blood clot formation in the fluid pathway.
Becton, Dickinson And Company

Carbon-silicon composite and anode active material for secondary battery comprising the same

The present invention relates to a carbon-silicon composite and an anode active material for a secondary battery comprising the same, and more particularly, a carbon-silicon composite in which silicon (si)-block copolymer core-shell particles are uniformly dispersed and embedded in a carbonaceous substance.. .
Oci Company Ltd.

Atomic layer chemical patterns for block copolymer assembly

Provided herein are methods of directed self-assembly (dsa) on atomic layer chemical patterns and related compositions. The atomic layer chemical patterns may be formed from two-dimensional materials such as graphene.
Wisconsin Alumni Research Foundation

Transparent adhesive sheet

The present invention is a transparent pressure-sensitive adhesive sheet that is formed of a resin composition [f], and has a storage modulus at 25° c. Of 1×106 to 1×108 pa, the resin composition [f] comprising a modified hydrogenated block copolymer [e] as a main component, the modified hydrogenated block copolymer [e] being obtained by introducing an alkoxysilyl group into a hydrogenated block copolymer [d], the hydrogenated block copolymer [d] being obtained by hydrogenating 90% or more of unsaturated bonds of a block copolymer [c] that comprises at least two polymer blocks [a] comprising a specific compound and at least one polymer block [b] comprising a specific compound, and a ratio (wa:wb) of a total weight fraction wa of the polymer block [a] in the block copolymer [c] to a total weight fraction wb of the polymer block [b] in the block copolymer [c] being 20:80 to 60:40..
Zeon Corporation

Thermoplastic resin composition, and molded product and producing same

A mass ratio (a)/(b) of the block copolymer (a) to the copolymer (b) is 1/99 to 80/20.. .

Block copolymer

The present application provides the block copolymers and their application. The block copolymer has an excellent self assembling property and phase separation and various required functions can be freely applied thereto as necessary..
Lg Chem, Ltd.

Soft touch laminates constructed with improved fire retardant properties for transportation

Soft touch fire retardant laminates with pvc middle layers, foamed or unfoamed, and multiblock copolymer or polyurethane or silicone top layers which meet faa requirements are disclosed.. .
Schneller Llc

Solvent/polymer solutions as suspension vehicles

A nonaqueous, single-phase vehicle that is capable of suspending an active agent. The nonaqueous, single-phase vehicle includes at least one solvent and at least one polymer and is formulated to exhibit phase separation upon contact with an aqueous environment.
Intarcia Therapeutics Inc.

Methods of forming patterns of semiconductor devices

In a method of forming patterns of a semiconductor device, an object layer is formed on a substrate. A plurality of guiding pillars and at least one guiding dam are formed on the object layer.
Samsung Electronics Co., Ltd.

Vitamin functionalized gel-forming block copolymers for biomedical applications

Gel-forming block copolymers were prepared comprising i) a central hydrophilic block consisting essentially of a divalent poly(ethylene oxide) chain and ii) two peripheral monocarbonate or polycarbonate hydrophobic blocks. The hydrophobic blocks comprise one or more vitamin-bearing subunits.
Agency For Science, Technology And Research

Multiblock copolymers

Provided herein are multiblock copolymers, as well as micelles and therapeutic compositions thereof.. .
Phaserx, Inc.

Fluoropolymer emulsions with branched semifluorinated block copolymer or phospholipid surfactant for the delivery of hydrophobic drugs

The present invention provides therapeutic formulations, including therapeutic nanoemulsions, and related methods for the in vivo delivery of hydrophobic compounds, including an important class of hydrophobic anesthetics. Formulations and methods of the invention include semifluorinated block copolymers, and optionally phospholipid surfactants, capable of forming a stable nanoemulsion without the need of conventional lipid components that support bacterial and/or fungal growth (e.g., soybean oil and similar lipids).
Wisconsin Alumni Research Foundation

Scattering layer and preparing the same, and organic light-emitting diode display device comprising the same

Provided are a scattering layer and a method for preparing the same, and an organic light-emitting diode display device prepared thereby. The scattering layer is formed by coating a block copolymer solution of a polybutadiene-polystyrene onto a substrate to form a film, and then subjecting the film to treatment of curing and annealing.
Boe Technology Group Co., Ltd.

Polymer composition comprising poly-lactide-polybutadiene based block copolymer

The present invention also relates to a process for preparing said composition. The present invention also relates to an article comprising said composition..

Poly(beta-methyl-delta-valerolactone) block polymers

Block copolymers include a poly β-methyl-δ-valerolactone (pmvl) block. The pmvl blocks can be formed from biosynthesized β-methyl-δ-valero lactone (mvl).
Regents Of The University Of Minnesota

Films and articles made with thermoplastic block copolymers

The present invention relates to printing blankets, pipe liners, conveyor belts, inflatable articles, collapsible containers, protective clothing, and other types of coated fabrics that are manufactured with a thermoplastic block copolymer (tbc). This tbc can be a thermoplastic polyurethane (tpu), a copolyester (cope), a copolyamide (copa) or a polyurethaneurea (tpuu).
Lubrizol Advanced Materials, Inc.

Block copolymer complex coacervate core micelles for enzymatic catalysis in organic solvent

Disclosed are complex coacervate core micelles comprising an enzyme capable of hydrolyzing organophosphorus compounds, such as nerve agents, and, for example, their use in remediation or decontamination of stockpiles of chemical weapons.. .
Massachusetts Institute Of Technology

Film for liquid packaging containers and liquid packaging container

A film for a liquid packaging container, comprising at least one of a layer containing a resin composition (x) containing a polypropylene resin (a) and at least one of a hydrogenated block copolymer (b), the hydrogenated block copolymer (b) being a hydrogenated product of a block copolymer containing a polymer block (a) mainly containing an aromatic vinyl compound unit, and a polymer block (b) mainly containing an isoprene (ip) unit, a butadiene (bd) unit, or isoprene (ip) and butadiene (bd) units, in the resin composition (x), the hydrogenated block copolymer (b) having a phase separation structure having formed therein both (i) an island phase having a long axis of 1 μm or more, or a bicontinuous structure, and (ii) an island phase having a long axis of 300 nm or less, and in the resin composition (x), the mass ratio ((a)/((a)+(b))) of the polypropylene resin (a) and the hydrogenated block copolymer (b) being from 61/100 to 95/100.. .
Kuraray Co., Ltd.

Multilayer film including odor barrier layer having sound dampening properties

A multilayer film including an odor barrier layer having sound dampening properties is provided. The odor barrier layer is formed from a polyamide modified with a functionalized vinyl-bond rich triblock copolymer..
Hollister Incorporated

Oil recovery aid

Compositions for increasing corn oil recovery and embodiments of methods for using the composition for corn oil separation are described. The composition(s) incorporate an admixture that includes a polymer selected from a polyglycol ester, a polyethyleneoxide-polypropyleneoxide block copolymer, a poloxamine, or a mixture thereof.
Phibro Animal Health Corp.

Polylactide based compositions

Embodiments of polylactide based compositions are disclosed herein. The compositions may comprise at least one first polymer selected from polylactide-polybutadiene (pla-pb) block copolymer, polylactide-urethane-polybutadiene block copolymer, or a mixture thereof; and at least one second polymer selected from polylactide, polylactide-urethane, or a mixture thereof.
Total Research & Technology Feluy

Block copolymer and associated photoresist composition and forming an electronic device

A block copolymer useful in electron beam and extreme ultraviolet photolithography includes a first block with units derived from a base-solubility-enhancing monomer and an out-of-band absorbing monomer, and a second block having a low surface energy. Repeat units derived from the out-of-ban absorbing monomer allow the copolymer to absorb significantly in the wavelength range 150 to 400 nanometers.
Rohm And Haas Electronic Materials Llc

Amphiphilic block copolymer; composition, membrane, and separation module thereof; and methods of making same

An amphiphilic block copolymer comprises a poly(phenylene ether) block or a poly(phenylene ether) copolymer block and a hydrophilic block or graft. A method of making the amphiphilic block copolymer comprises polymerization of a hydrophilic ethylenically unsaturated monomer in the presence of poly(phenylene ether) or a poly(phenylene ether) copolymer to make the amphiphilic block copolymer.
Sabic Global Technologies B.v.

Hydrogenated block copolymer having alkoxysilyl group and use therefor

Provided are: an alkoxysilyl group-containing hydrogenated block copolymer produced by introducing an alkoxysilyl group into a hydrogenated block copolymer that is obtained by hydrogenating 90% or more of unsaturated bonds of a block copolymer that includes at least two polymer blocks [a] and at least one polymer block [b], the polymer block [a] including a repeating unit derived from an aromatic vinyl compound as a main component, the polymer block [b] including a repeating unit derived from a linear conjugated diene compound as a main component, and a ratio (wa:wb) of a weight fraction wa of the polymer block [a] in the block copolymer to a weight fraction wb of the polymer block [b] in the block copolymer being 20:80 to 60:40; a method for producing the same; a solar cell element encapsulating material; a sheet; a laminated sheet; a multilayer sheet; and a method for encapsulating a solar cell element. The alkoxysilyl group-containing hydrogenated block copolymer exhibits low hygroscopicity, a low water vapor permeability, transparency, weatherability, and flexibility, maintains excellent adhesion to glass even when exposed to a high-temperature/high-humidity environment for a long time, and can encapsulate a solar cell element without applying a special waterproof treatment..
Zeon Corporation

Thermoplastic elastomer composition, stopper for medical container, and medical container

This thermoplastic elastomer composition comprises: 100 parts by mass of a hydrogenated block copolymer (a); from 3 to 50 parts by mass of a polypropylene-based resin (b), from 5 to 100 parts by mass of a polyphenylene ether resin (c), and from 50 to 200 parts by mass of a non-aromatic softener (d), the hydrogenated block copolymer (a) is able to be formed by hydrogenating a block copolymer that comprises at least one polymer block a comprising a vinyl aromatic hydrocarbon compound monomer unit as a primary component and at least one polymer block b comprising a conjugated diene compound monomer unit as a primary component, and a weight average molecular weight of the hydrogenated block copolymer (a) is from 100,000 to 350,000.. .
Asahi Kasei Kabushiki Kaisha

Foam composition with olefin block copolymer gel particles

The present disclosure is directed to a composition and articles containing the composition. The composition comprises a foam and a plurality of gel particles dispersed in the foam.
Dow Global Technologies Llc

Suspension concentrate

An aqueous suspension concentrate containing: (a) a first active ingredient comprising one or more triazolopyrimidine, triazolone, pyrazole or oxazole herbicides; (b) optionally, a second active ingredient, (c) a dispersant comprising a comb polymer; (d) a nonionic, alkoxylated surfactant or a block copolymer surfactant, and (e) optionally, a re-dispersing agent, wherein said aqueous suspension concentrate exhibits an acidic ph within the range from about greater than about 2 to about 4.. .

Neutral hard mask and its application to graphoepitaxy-based directed self-assembly (dsa) patterning

A material stack is formed on the surface of a semiconductor substrate. The top layer of the material stack comprises at least an organic planarization layer.
International Business Machines Corporation

Misfit p-type transparent conductive oxide (tco) films, methods and applications

A p-type transparent conductive oxide (tco) mixed metal oxide material layer formed upon a substrate has a formula m1xm2yoz generally, caxcoyoz more specifically, and ca3co4o9 most specifically. Embodiments provide that the p-type tco mixed metal oxide material may be formed absent an epitaxial crystalline relationship with respect to the substrate while using a sol-gel synthesis method that uses a chelating polymer material and not a block copolymer material..
Cornell University

Method of fabricating a bpm template using hierarchical bcp density patterns

The embodiments disclose a method including patterning a template substrate to have different densities using hierarchical block copolymer density patterns in different zones including a first pattern and a second pattern, using a first directed self-assembly to pattern a first zone in the substrate using a first block copolymer material, and using a second directed self-assembly to pattern a second zone in the substrate using a second block copolymer material.. .
Seagate Technology Llc

Precursor polyelectrolyte complexes compositions

The invention relates to compositions and methods of treatment employing compositions comprising polyelectrolyte complexes. The compositions include a water-soluble first polyelectrolyte bearing a net cationic charge or capable of developing a net cationic charge and a water-soluble second polyelectrolyte bearing a net anionic charge or capable of developing a net anionic charge.
The Clorox Company

Hot-melt pressure-sensitive adhesive

To provide a hot-melt pressure-sensitive adhesive which is easily coated, has a weak odor, high stability with time, and is also excellent in adhesive force retention performance from a low temperature range to a high temperature range. A hot-melt pressure-sensitive adhesive comprising: an amorphous polystyrene resin (a) having a number-average molecular weight of 50,000 or more; and a thermoplastic block copolymer (b) which is a copolymer of vinyl-based aromatic hydrocarbons and conjugated diene compounds..
Henkel Ag & Co. Kgaa

Multiblock copolymer films, methods of making same, and uses thereof

A method for forming an isoporous graded film comprising multiblock copolymers and isoporous graded films. The films have a surface layer and a bulk layer.
Yale University

Process for the preparation of an aqueous emulsion of a midblock sulfonated block copolymer

The present invention concerns aqueous emulsions and a process for preparing aqueous emulsions of a midblock sulfonated styrenic block copolymer comprising at least two non-sulfonated polymer end-blocks a and at least one sulfonated block b, comprising the steps of providing a cement of a midblock sulfonated styrenic block copolymer in the apolar solvent, mixing the cement with a co-solvent to form a mixture, emulsifying the mixture in the absence of a surfactant with water to produce an emulsion, and removing the hydrocarbon solvent and any optional co-solvent from the emulsion to produce the aqueous emulsion. The resulting emulsion of the midblock sulfonated styrenic block copolymer has relatively small particle diameters..
Kraton Polymers U.s. Llc

Process for the preparation of an aqueous emulsion of a midblock sulfonated block copolymer

The present invention provides an aqueous emulsion and a process for preparing an aqueous emulsion of a midblock sulfonated styrenic block copolymer comprising at least two non-sulfonated polymer end-blocks a and at least one 5 sulfonated block b comprising the steps of providing a cement of a midblock sulfonated styrenic block copolymer in a non-polar solvent wherein the non-polar solvent is a hydrocarbon compound comprising from 5 to 12 carbon atoms with a boiling point of less than 100 degree celsius or mixture of such compounds, mixing the cement with a co-solvent to form a mixture, emulsifying the mixture optionally in the 10 presence of an emulsifier with water to produce an emulsion, and removing the hydrocarbon solvent and optionally the co-solvent from the emulsion to produce the aqueous emulsion. The resulting emulsion of the midblock sulfonated styrenic block copolymer has relatively small particle diameters..
Kraton Polymers U.s. Llc

Active-light-ray-curable inkjet white ink and image forming method

Through the active-light-ray-curable inkjet white ink according to the present invention, the ink including a pigment, a dispersing agent, a wax, a photopolymerizable compound, and a photopolymerization initiator, and being capable of a sol-gel phase transition by a temperature change, the pigment including titanium dioxide surface-coated with alumina, the content of the titanium dioxide being 10% by mass to 15% by mass of the total mass of the ink, the ink including sodium ions in a mass ratio of 200 ppm or lower with respect to the pigment, and the dispersing agent including a comb-shaped block copolymer having a tertiary amine group, even when titanium dioxide is used as the pigment, the viscosity of the ink can be restrained from increasing, luster equivalent to that of another color is obtained, and clogging of a recording head for ink discharge is reduced.. .
Konica Minolta, Inc.



Block Copolymer topics:
  • Block Copolymer
  • Calcium Carbonate
  • Monovalent
  • Line Array
  • Semiconductor
  • Pyrrolidone
  • Hydrogen Peroxide
  • Propylene Oxide
  • Ethylene Oxide
  • Organosiloxane


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    This listing is a sample listing of patent applications related to Block Copolymer for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Block Copolymer with additional patents listed. Browse our RSS directory or Search for other possible listings.


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