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Cationic Polymers patents



      
           
This page is updated frequently with new Cationic Polymers-related patent applications. Subscribe to the Cationic Polymers RSS feed to automatically get the update: related Cationic RSS feeds. RSS updates for this page: Cationic Polymers RSS RSS


Date/App# patent app List of recent Cationic Polymers-related patents
12/18/14
20140367059
 Process for the manufacture of paper and paperboard patent thumbnailnew patent Process for the manufacture of paper and paperboard
The present invention relates to a process of making paper or paperboard in which a cellulosic thin stock is provided and subjected to one or more shear stages and then drained and a moving screen to form a sheet which is dried, wherein the process employs a retention system which is applied to the thin stock, said retention system comprising as components i) a blend of different cationic polymers and ii) a microparticulate material, in which the blend of cationic polymers comprises, a) a cationic polymer having a charge density of at least 3 meq per gram and a molar mass of greater than 700,000 da, b) a cationic polymer having a charge density of below 3 meq per gram and an intrinsic viscosity of at least 3 dl/g, wherein one of the components of the retention system is dosed into the thin stock after the final shearing stage and the other is dosed into the thin stock before the final shearing stage.. .
12/18/14
20140366907
 Composition for the oxidation dyeing of keratin fibres, comprising particular fatty alcohols, a liquid fatty substance and a cationic polymer patent thumbnailnew patent Composition for the oxidation dyeing of keratin fibres, comprising particular fatty alcohols, a liquid fatty substance and a cationic polymer
The present invention relates to a composition for dyeing keratin fibres, comprising: one or more oxidation dyes; one or more basifying agents; one or more non-oxyalkylenated fatty substances that are liquid at room temperature in a content of less than or equal to 20% by weight relative to the total weight of the composition; one or more oxidizing agents; one or more oxyethylenated fatty alcohols with a number of oxyethylene units of greater than or equal to 10; one or more oxyethylenated fatty alcohols with a number of oxyethylene units of less than 10; one or more non-oxyethylenated fatty alcohols that are solid at room temperature; and one or more cationic polymers. The present invention also relates to a process for dyeing keratin fibres using such a composition, and also to a kit for preparing the said composition..
10/23/14
20140315722
 Cationic polymers comprising a hydrophobic group as deposition enhancers for pesticides and crop production chemicals patent thumbnailCationic polymers comprising a hydrophobic group as deposition enhancers for pesticides and crop production chemicals
The present invention relates to the use of certain hydrophobically modified cationic polymers, prepared by polymerising an alkyl ester of acrylic acid or an alkyl ester of methacrylic acid, a nitrogen containing monomer; and an associative monomer; as deposition enhancers for pesticides and crop production chemicals, such as plant growth regulators, fertilizers and micronutrients, in aqueous solutions; an aqueous composition comprising these polymers and one or more pesticides and/or crop production chemicals, a process for preparing said aqueous composition, and the use of said composition for treatment of plants.. .
10/16/14
20140307302
 Vertical electrochromic display patent thumbnailVertical electrochromic display
A directly addressable display device comprising at least one pixel cell (1-9), each pixel cell (1-9) being arranged for displaying a symbol, which symbol is repeatedly switchable between an on-state and an off-state, wherein each pixel cell (1-9) comprises an electrochromic layer (110) comprising an electrochromic and electrochemically active organic polymer material being electrochemically switchable between two different visually detectable coloring states; a counter electrode layer (140) comprising an electronically conductive material, wherein said counter electrode layer (140) in the viewing direction of the display device is arranged behind said electrochromic layer (110); an electrolyte layer (130), which electrolyte layer (130) is solid and arranged spatially between, and in ionic contact with, said electrochromic layer (110) and said counter electrode layer (140); a symbol defining layer (120) which is electronically and ionically insulating, arranged in direct ionic contact with said electrochromic layer (110), and which comprises one or more openings (121-129) which encloses said electrolyte layer (130) and defines the shape of said symbols; wherein said electrolyte layer (130) comprises a composition comprising a polyelectrolyte selected from one or more cationic polymers, wherein the electrolyte is substantially free of small cations.. .
10/09/14
20140303304
 Cationic polymers and methods of providing antistatic properties to coating materials patent thumbnailCationic polymers and methods of providing antistatic properties to coating materials
Use of cationic polymers comprising quaternary nitrogen atoms as antistat in coating compositions, characterized in that the polymers are selected from the group consisting of compounds according to the formula (i), polydiallyldialkylamines and copolymers thereof, polyalkyleneimines, polyvinylimidazoles and copolymers thereof, and mixtures of these. The effect of the antistat is that dust adheres to a lesser degree to the coating of the composition.
10/09/14
20140302607
 Polymer based polynucleotide transfection agents patent thumbnailPolymer based polynucleotide transfection agents
The present invention provides a methodology for transfecting cells in vitro. In particular, cationic polymers and polynucleotide containing polyplexes comprising such polymers are provided..
10/09/14
20140301968
 Antimicrobial cationic polycarbonates patent thumbnailAntimicrobial cationic polycarbonates
Antimicrobial cationic polymers having one or two cationic polycarbonate chains were prepared by organocatalyzed ring opening polymerization. One antimicrobial cationic polymer has a polymer chain consisting essentially of cationic carbonate repeat units linked to one or two end groups.
10/09/14
20140301967
 Antimicrobial cationic polycarbonates patent thumbnailAntimicrobial cationic polycarbonates
Antimicrobial cationic polymers having one or two cationic polycarbonate chains were prepared by organocatalyzed ring opening polymerization. One antimicrobial cationic polymer has a polymer chain consisting essentially of cationic carbonate repeat units linked to one or two end groups.
10/02/14
20140294909
 Nanocomposites of gold and polymers patent thumbnailNanocomposites of gold and polymers
A layer-by-layer (lbl) system, which alternately ionically complexes anionic aunps to two unique cationic polymers (disulfide-reducible and hydrolytically degradable) and two anionic nucleic acids, is disclosed.. .
09/25/14
20140287061
 In-situ cross-linkable polymeric compositions and methods thereof patent thumbnailIn-situ cross-linkable polymeric compositions and methods thereof
A biocompatible polymeric composition for cross-linking in-situ in a wound is disclosed comprising 1) one or more polyanionic polymers such as alginates or hyaluronates, able to be cross-linked the surface of the wound and 2) one or more polycationic polymers such as chitosan or deae-dextran, that assists in the solidification process as well as speeds up hemostasis without the need for applying pressure. The biocompatible polymeric composition may further comprise a cross-linking agent such as aqueous calcium chloride.
08/07/14
20140220093
Cationic polymers for antimicrobial applications and delivery of bioactive materials
Wherein w′ is a positive number greater than or equal to 3, i′ is a dendritic polyester core covalently linked to w′ independent peripheral linear cationic polymer chains p′. Each of the chains p′ comprises a cationic repeat unit comprising i) a backbone functional group selected from the group consisting of aliphatic carbonates, aliphatic esters, aliphatic carbamates, aliphatic ureas, aliphatic thiocarbamates, aliphatic dithiocarbonates, and combinations thereof, and ii) a side chain comprising a quaternary amine group.
08/07/14
20140219946
Use of microemulsions in cosmetic cleaning compositions
These microemulsions may be used for producing cleaning compositions and also cosmetic cleaning compositions, comprising: (a) any microemulsion provided herein, (b) one or more anionic surfactants, (c) one or more cationic polymers; (d) optionally further surfactants; (e) optionally cosmetic additives, and (f) water.. .
07/24/14
20140205557
Cationic conditioner replacements
Described are personal care compositions for hair, comprising a surfactant, a silicone, and a methylcellulose that gels at 45c or less, wherein personal care composition is substantially free of cationic polymers selected from cationic cellulose derivatives, cationic guar derivatives, cationic methacrylamido polymers, polyquaternium-6, or polyquaternium-7.. .
07/17/14
20140196740
Hair care products with enhanced care performance
The present invention describes compositions for the treatment of keratinic fibers, in particular human hair, that significantly improve the conditioning properties and also the shine and feel of keratinic fibers, in particular human hair, as compared with prior-art compositions. The compositions according to the invention include as essential ingredients cationic ammonium compounds, amidoamines, ester oils, cationic polymers and sugar surfactants..
06/26/14
20140174962
Silicone hydrogel contact lenses for sustained release of beneficial polymers
Silicone hydrogel contact lenses comprising an ionic component sustain release of beneficial cationic polymers.. .
06/12/14
20140160549
Colloid electrolyte composition
The invention relates to a colloidal electrolyte composition comprising a polyelectrolyte selected from one or more cationic polymers, a particulate phase forming a colloidal dispersion, and a binder system able to form a cross-linked network upon curing the electrolyte composition. Also, the invention relates to a method of preparation the colloidal electrolyte composition, to an electrochemical cell and to a method of preparation the electrochemical cell..
06/12/14
20140158629
Use of a dual polymer system for enhanced water recovery and improved separation of suspended solids and other substances from an aqueous media
A method uses anionic and cationic polymers added in, any order or simultaneously, to aqueous media for the removal of substances. The sequential addition of the two biopolymers, anionic xanthan, followed by cationic chitosan, causes the rapid formation of very large and cohesive fibrillar aggregates that may exhibit high solids to liquid ratios and that quickly settle out from the aqueous media.
05/01/14
20140117273
Use of a dual polymer system for enhanced water recovery and improved separation of suspended solids and other substances from an aqueous media
A method uses anionic and cationic polymers added in, any order or simultaneously, to aqueous media for the removal of substances. The sequential addition of the two biopolymers, anionic xanthan, followed by cationic chitosan, causes the rapid formation of very large and cohesive fibrillar aggregates that may exhibit high solids to liquid ratios and that quickly settle out from the aqueous media.
04/17/14
20140102649
Method for producing paper, paperboard and cardboard having high dry strength
Process for the production of paper, board and cardboard having high dry strength by addition of an aqueous composition comprising a nanocellulose and at least one polymer selected from the group consisting of the anionic polymers and water-soluble cationic polymers, draining of the paper stock and drying of the paper products.. .
03/27/14
20140087056
Dietary fiber supplements for appetite suppression
The present invention provides a composition of dietary fiber supplements for satiety enhancement and appetite suppression in treatment of overweight, obesity, or eating disorders. The composition of the dietary fiber supplements consist of at least one cationic polymer and at least one anionic polymer.
03/20/14
20140080945
Process for improving the rheological properties of an aqueous dispersion
A process for improving the rheological properties of an aqueous dispersion comprising adding a rheology modifier to the aqueous dispersion, and then adding a water soluble synthetic polymer flocculant to the aqueous dispersion. The rheology modifier may be selected from the group consisting of natural polymers, semi-natural polymers, synthetic materials and combinations thereof.
01/23/14
20140024780
Hydrophobically modified cationic polymer
The present invention relates to hydrophobically modified cationic polymers obtainable by the polymerization of one or more cationic ethylenically unsaturated monomers with an ethylenically unsaturated monomer having anhydride, imide, lactone, carboxylic acid, isocyanate or blocked isocyanate group and a reactive siloxane and processes for preparing them. These polymers are useful i.a.
01/23/14
20140020188
Compositions comprising hydrophobically modified cationic polymers
This invention relates to compositions comprising hydrophobically modified cationic polymers as well as processes of making and using such compositions. Such hydrophobically modified cationic polymers may be added to the composition in a variety of ways including, but not limited to, as a component of a particle.
12/26/13
20130344117
Pegylated polyplexes for polynucleotide delivery
The present invention provides polymers, compositions thereof, and polyplexes comprising said polymers. In particular, cationic polymers, pegylated versions thereof, and polynucleotide containing polyplexes comprising such polymers are provided.
12/05/13
20130323313
Mucus penetrating gene carriers
Nanoparticles gene carriers, particularly nanoparticle gene carriers which exhibit increased rates of diffusion through cystic fibrosis (cf) mucus, as well as methods of making and using thereof, are described herein. The nanoparticle gene carriers are formed from a nucleic acid complexed to one or more biocompatible, polycationic polymers.
11/21/13
20130310536
Cationic polymers formed from amino group-bearing monomers and heterocyclic linkers
The present invention is directed to a design of and a method to synthesize polycations for gene (dna and rna) delivery. According to this design, the polycations (also said cationic polymers) are formed by polymerization of endogenous monomers bearing sufficient amino groups through degradable bonds with linker molecules.
11/14/13
20130302266
Cosmetic composition comprising at least one cationic polymer and at least two cationic surfactants
The invention relates to a cosmetic composition comprising, in a cosmetically acceptable medium: (i) one or more cationic polymers, at least one cationic polymer being a dimethyldiallylammonium chloride homopolymer, (ii) two or more than two cationic surfactants, (iii) one or more polysaccharide thickeners, (iv) one or more polyols with a molecular weight of less than 1000.. .
11/14/13
20130298934
Dye composition having a low content of ammonia
The present invention relates to a composition for dyeing human keratin fibres such as the hair, comprising: (a) one or more amphoteric surfactants at a concentration of at least 0.5% by weight relative to the total weight of the composition; (b) one or more organic alkaline agents; (c) one or more oxidizing agents; (d) one or more oxidation dye precursors; (e) an amount of ammonia of less than 1.5% by weight relative to the total weight of the composition; (f) one or more cationic polymers. The invention also relates to a process for treating human keratin fibres using this composition, and aerosol or nonaerosol devices that make it possible to apply this composition in foam form..
10/17/13
20130274369
New cationic polymers
New water soluble cationic copolymers derived from n-vinyl amide monomers and ethylenically unsaturated compounds bearing cationic groups.. .
09/26/13
20130251656
Cosmetic composition comprising a fatty-chain alkoxysilane and a cationic polymer
The present invention relates to a cosmetic composition comprising:—at least 0.1% by weight, relative to the total weight of the composition, of one or more fatty-chain alkoxy silanes of formula (i) below: r1si(or2)3 (i) in which r1 represents a linear or branched alkyl or alkenyl group, comprising from 7 to 18 carbon atoms, and r2 represents a linear or branched alkyl group comprising from 1 to 6 carbon atoms, and—one or more cationic polymers. The invention also relates to a cosmetic treatment process using the said composition.
09/12/13
20130233333
Process for treating keratin fibres using at least one sulfureous reducing agent, at least one cationic polymer and at least one mercaptosiloxane
Process for treating keratin fibres using at least one sulfureous reducing agent, at least one cationic polymer and at least one mercaptosiloxane the present invention relates to a process for treating keratin fibres, in particular human keratin fibres such as the hair, comprising a step of applying to the keratin fibres a reducing composition (a) comprising one or more sulfureous reducing agents, optionally a step of applying to the keratin fibres an oxidizing composition (b), a step of applying a rinse-out or leave-in care composition (c), comprising one or more cationic polymers and optionally one or more amino silicones (i), it being understood that the reducing composition (a) and/or the oxidizing composition (b) and/or composition (c) comprise(s) one or more silicones (ii), other than the silicones (i), with a molecular weight of less than 10 000 and functionalized with one or more mercapto groups.. .
07/11/13
20130178125
Marine coatings
Marine coatings including cationic polymers hydrolyzable to nonfouling zwitterionic polymers, coated marine surfaces, and methods for making and using the marine coatings.. .
07/11/13
20130177976
Combination of cationic polymers and polysaccharides nanoparticles as a gene carrier
The present invention discloses a gene carrier and the preparation method thereof. The chondroitin sulfate (cs) is reacted with methacrylic anhydride (ma) to form a chondroitin sulfate-methacrylate (csma), which is further covalently bound with 2-(dimethylamino)ethyl methacrylate (dmaema) to form the “cm-dm” gene carrier.
07/04/13
20130172167
Method and apparatus for removal of tars or resins from a scrubber liquid
The invention is a method of processing tarry or resinous liquids. Tarry liquids include wet scrubber liquids containing tars and chars derived from gasification, pyrolysis or drying of biomass.
04/18/13
20130096177
Polymers for delivering molecules of interest
The present invention relates to a new class of cationic polymers that self-assemble with a ph-sensitive dissolution switch, and their uses to deliver molecules of interest to a cell. The present invention also relates to compositions comprising said cationic polymers non-covalently associated with a molecule of interest, in particular with a sirna..
03/21/13
20130071444
Amphiphilic cationic polymers and methods of use thereof
Amphiphilic cationic polymers comprising a biocompatible amphiphile linked to an organic cation are provided. The polymers complex with therapeutic agents and facilitate delivery of such therapeutic agents, particularly therapeutic nucleic acids, both in vitro and in vivo.
01/31/13
20130026106
Optimized flocculation of algae using cationic polymers
A concentration of cationic polymer is able to floc algae cells in about 30 minutes compared to the 30+ hours for the cells to flocculate and settle without additives. The addition of the polymer requires less than 1 wt % polymer to complete the algae floc and does not require large amounts of energy to perform or extra processing steps to recover the flocculent..
01/10/13
20130012423
Use of cleaning agents containing microemulsions that contain wax
The invention relates to the use of microemulsions, containing (a) at least one alkyl(oligo)glycoside, (b) at least one co-surfactant different from (a), (c) at least one water-insoluble organic oil component, (d) at least one wax, and (e) water, to produce cleaning agents, and aqueous hand dishwashing detergents, containing anionic and amphoteric surfactants and, in amounts from 0.2 to 10 wt % relative to the total weight of the hand dishwashing detergents, a microemulsion according to the description in claim 1, and cosmetic cleaning agents, containing a) a microemulsion according to the description in claim 1, b) anionic surfactants, c) cationic polymers, d) optionally additional surfactants, e) optionally cosmetic additives, and f) water.. .
01/10/13
20130011363
Cationic betaine precursors to zwitterionic betaines having controlled biological properties
Cationic polymers hydrolyzable to zwitterionic polymers, monomers for making the cationic polymers, surfaces that include the polymers, therapeutic agent delivery systems that include the cationic polymers, methods for administering a therapeutic agent using the delivery systems, and methods for making and using the cationic polymers, monomers, surfaces, and therapeutic agent delivery systems.. .


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Cationic Polymers topics: Cationic Polymers, Cationic Polymer, Alkoxysilane, Carbon Atoms, Cosmetic Treatment, Cosmetic Co, Alkyl Group, Cancer Cells, Polysaccharides, Methacrylic Anhydride, Cancer Cell, Chondroitin Sulfate, Nanoparticle, Chondroitin, Nucleic Acids

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