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Hydrofluoroolefin patents

      

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




 Method for the suppression of fire patent thumbnailMethod for the suppression of fire
A method for suppressing a fire at a burning material comprising delivering to said burning material (a) an inert gas selected from nitrogen, argon and carbon dioxide or mixtures thereof, and (b) a fluoroolefin compound selected from the group consisting of fluoroolefins, hydrofluoroolefins, hydrochlorofluoroolefins and hydrobromofluoroolefins, or mixtures thereof, (a) and (b) being delivered in a combined concentration sufficient to extinguish the fire.. .
The Chemours Company Fc, Llc


 Phenol resin foam body and  producing same patent thumbnailPhenol resin foam body and producing same
There is disclosed a phenol resin foam which contains a phenol resin, and a foaming agent comprising at least either one of a chlorinated hydrofluoroolefin or a non-chlorinated hydrofluoroolefin. With respect to the phenol resin foam, a density is 10 kg/m3 or more and 150 kg/m3 or less, a thermal conductivity under a 10° c.
Asahi Kasei Construction Materials Corporation


 Blowing agent composition of hydrochlorofluoroolefin and hydrofluoroolefin patent thumbnailBlowing agent composition of hydrochlorofluoroolefin and hydrofluoroolefin
A blowing agent for thermosetting foams is disclosed. The blowing agent is a hydrofluoroolefin (hcfo), preferably hfco-1234ze in combination with a hydrochlorofluoroolefin (hcfo) preferably one selected from hcfo-1233zd, hcfo-1223, hcfo-1233xf and mixtures thereof.
Arkema Inc.


 Phenol resin foam patent thumbnailPhenol resin foam
There is disclosed a phenol resin foam comprising a phenol resin, a hydrocarbon having 6 or less carbon atoms, and at least one halogenated hydroolefin selected from the group consisting of hydrofluoroolefins and hydrochlorofluoroolefins, and the phenol resin foam having the density of 10 kg/m3 or more and 150 kg/m3 or less, wherein the sum of the content of the hydrocarbon having 6 or less carbon atoms and the content of the hydrogenated hydroolefin is from 0.23 to 0.90 mol, the content of the hydrocarbon having 6 or less carbon atoms is from 0.03 to 0.85 mol, and the content of the halogenated hydroolefin is from 0.05 to 0.85 mol, per 22.4×10−3 m3 of spatial volume in the phenol resin foam.. .
Asahi Kasei Construction Materials Corporation


 Chromium-free catalyst for gas-phase fluorination and application thereof patent thumbnailChromium-free catalyst for gas-phase fluorination and application thereof
Disclosed in the present invention is a chromium-free catalyst for gas-phase fluorination and an application thereof. The precursor of the related chromium-free catalyst for gas-phase fluorination consists of a compound containing iron element, a compound containing rare earth metal element and a compound containing element a, wherein element a is one selected from ca, al, mg and ti, the precursor is subjected to calcination and fluorination treatment to obtain the chromium-free catalyst for gas-phase fluorination.
Xi'an Modern Chemistry Research Institute


 Hydrofluoroolefin etching gas mixtures patent thumbnailHydrofluoroolefin etching gas mixtures
The present invention relates to hydrofluorolefin compositions useful for removing surface deposits in cvd chambers, and relates to methods for removing surface deposits from the interior of a chemical vapor deposition chamber by using an activated gas mixture created by activating a gas mixture in the chamber or in a remote chamber, where the gas mixture comprises a hydrofluorolefin.. .
The Chemours Company Fc, Llc


 Compositions of hydrochlorofluoroolefins patent thumbnailCompositions of hydrochlorofluoroolefins
The present invention relates to solvent/cleaner and heat transfer fluid compositions comprising at least one hydrochlorofluoroolefin (hcfo), 1-chloro-3,3,3-trifluoropropene (hcfo-1233zd), particularly the trans-isomer. The hcfo of the present invention can be used in combination with co-agents including, hydrofluorocarbons (hfcs), hydrofluoroolefins (hfos), hydrocarbons, ethers including hydrofluoroethers (hfes), esters, ketones, alcohols, 1,2-transdichloroethylene and mixtures thereof..
Arkema Inc.


 Refrigerant circulation device,  circulating refrigerant and acid suppression method patent thumbnailRefrigerant circulation device, circulating refrigerant and acid suppression method
The present invention provides a heat pump device and an organic rankine cycle device that are capable of maintaining a stable thermal cycle even when an hfo is used as the refrigerant in an environment in which the operating temperature reaches a high temperature. The refrigerant circulation device is filled with a refrigerant comprising a hydrofluoroolefin or hydrochlorofluoroolefin having a carbon-carbon double bond within the molecular structure, and has a region in the refrigerant circulation circuit where the operating temperature of the refrigerant reaches 175° c.
Central Glass Co., Ltd.


 Refrigerant circulation device,  circulating refrigerant and  suppressing isomerization patent thumbnailRefrigerant circulation device, circulating refrigerant and suppressing isomerization
The present invention provides a heat pump device and an organic rankine cycle device that are capable of maintaining a stable thermal cycle even when an hfo or hcfo is used as the refrigerant. The refrigerant circulation device uses a refrigerant, wherein the refrigerant comprises a hydrofluoroolefin or hydrochlorofluoroolefin having a carbon-carbon double bond within the molecular structure, and a reaction suppression unit which suppresses an isomerization reaction of the refrigerant is provided within the refrigerant circulation circuit..
Central Glass Co., Ltd.


 Process for extending the shelf life of gaseous olefinic propellants in polyurethane foams patent thumbnailProcess for extending the shelf life of gaseous olefinic propellants in polyurethane foams
The invention described herein generally pertains to a composition and a method for improving the shelf life of a gaseous hydrofluoroolefin propellant, the improvement comprising at least the increased aromatic polyester polyol(s) in combination with a tertiary amine catalyst comprising at least two cyclohexyl rings and an aliphatic metal salt catalyst, the amine catalyst having less than 10% nitrogen on a weight basis.. .
Fomo Products, Inc.


Vacuum assisted process to make closed cell rigid polyurethane foams using mixed blowing agents

Rigid polyurethane foam is made in a vacuum assisted process using a blowing agent mixture that includes water and hydrofluoroolefin and/or hydrofluorochloroolefin. In preferred embodiments, the blowing agent mixture further includes a hydro carbon such as cyclopentane..
Dow Global Technologies Llc

Blowing agent composition of hydrochlorofluoroolefin and hydrofluoroolefin

A blowing agent for thermosetting foams is disclosed. The blowing agent is a hydrofluoroolefin (hcfo), preferably hfco-1234yf in combination with a hydrochlorofluoroolefin (hcfo) preferably one selected from hcfo-1233zd, hcfo-1223, hcfo-1233xf and mixtures thereof.
Arkema Inc.

Absorption refrigeration cycles using a lgwp refrigerant

Absorptive refrigeration methods and systems that comprise refrigerant comprising one or more hydrofluoroolefin and/or hydrochlorofluoroolefins, and a solvent or absorbent selected from the group consisting of a polyalkyene glycol oil, a poly alpha olefin oil, a mineral oil and/or a polyolester oil.. .
Honeywell International Inc.

Blowing agent composition of hydrochlorofluoroolefin

A blowing agent for thermosetting foams is disclosed. The blowing agent is predominately the trans isomer of the hydrochlorofluoroolefin (hcfo) hfco-1233zd alone or in combination with a hydrofluoroolefin (hfo), hydrofluorocarbon (hfc), hydrochlorofluoroolefin (hcfo), a hydrocarbon.
Arkema Inc.

Heat transfer process

The use of a refrigerant in organic rankine cycle systems including at least one hydrofluoroolefin, having at least four carbon atoms represented by the formula (i) r1ch═chr2 in which r1 and r2 independently represent alkyl groups having from 1 to 6 carbon atoms, substituted with at least one fluorine atom, optionally with at least one chlorine atom.. .
Arkema France

Use of pve lubricants with substitute refrigerants in a mobile air conditioning system

A heat transfer composition for use in a mobile air-conditioning system in a vehicle, includes a first component comprised of a hydrofluoroolefin refrigerant. A second component of the composition includes a polyvinylether lubricant.

Blowing agent composition of hydrochlorofluoroolefin and hydrofluoroolefin

A blowing agent for thermosetting foams is disclosed. The blowing agent is a hydrofluoroolefin (hcfo), preferably hfco-1234ze in combination with a hydrochlorofluoroolefin (hcfo) preferably one selected from hcfo-1233zd, hcfo-1223, hcfo-1233xf and mixtures thereof.
Arkema Inc.

Methods for purifying and stabilizing hydrofluoroolefins and hydrochlorofluoroolefins

Hydrofluoroolefins and hydrochlorofluoroolefins contaminated with acid and/or iron compounds are purified and stabilized by contacting the haloolefin with a solid adsorbent such as alumina and then combining the purified haloolefin with one or more stabilizers such as an epoxide. The purified, stabilized haloolefins thus obtained are useful in a wide variety of end-use applications, including, for example, as refrigerants, propellants, foaming agents, fire suppression or extinguishing agents, and solvents..
Arkema Inc.

Non-voc processing aids for use in manufacturing foams using low global warming potential blowing agents

A foamable polymeric mixture is provided that includes a polymer composition, at least one blowing agent, and at least one non-voc processing aid comprising one or more of an adipate ester; benzoate; fatty acids and their derivatives, propylene carbonate; ethylene oxide/propylene oxide block copolymer; styrene-methyl methacrylate copolymer; and a dispersion of organic salt of a fatty acid in copolymer. The blowing agent comprising at least one of carbon dioxide, hydrofluoroolefins, hydrochlorofluoroolefins and hydrofluorocarbons, and mixtures thereof..
Owens Corning Intellectual Capital, Llc

Method of obtaining a combination of z and e stereoisomers of hydrofluoroolefins

Disclosed are the combinations containing z and e stereoisomers of hydrofluoroolefins where the more toxic isomer is less than about 30 % weight of the combination (vs the sum of z+e), to minimize the toxicity impact in the applications they will be used for such as cooling and heat fluids, foams blowing agents or solvents. Also disclosed are means to obtain combinations containing z and e stereoisomers of hydrofluoroolefins..
Arkema Inc.

Methods and mixing chemical components for the manufacture of polyurethane

Embodiments of the invention describe methods and apparatus for mixing chemical components in the manufacture of polyurethane foam. The chemical components include a polyol and different blowing agents.
Rim Polymers Industries Pte., Ltd.

Use of pve lubricants with substitute refrigerants in a mobile air conditioning system

A heat transfer composition for use in a mobile air-conditioning system in a vehicle, includes a first component comprised of a hydrofluoroolefin refrigerant. A second component of the composition includes a polyvinylether lubricant.
Ford Global Technologies, Llc

Blowing agent compositions of hydrofluoroolefins and hydrochlorofluoroolefins

The present invention relates to blowing agent compositions comprising (1) at least one hydrofluoroolefin (hfo) and (2) at least one hydrochlorofluoroolefin (hcfo) used in the preparation of foamable thermoplastic compositions. The hfos of component (1) include, but are not limited too, 3,3,3-trifluoropropene (hfo-1243zf), 1,2,3,3,3-pentafluoropropene (hfo-1225ye), cis- and/or trans-1,3,3,3-tetrafluoropropene (hfo-1234ze), and 2,3,3,3-tetrafluoropropene (hfo 1234yf), and mixtures thereof.
Arkema Inc.

Amine catalyst for improving the stability of polyurethane systems having halogen containing blowing agents

Catalyst compositions useful in the production of insulating polyurethane or polyisocyanurate foam are disclosed. The catalyst compositions impart increased stability of a mixture of the catalyst, a halogen-containing blowing agent, and a polyol.
Air Products And Chemicals, Inc.

Heat transfer composition of oxygenated lubricant with hydrofluoroolefin and hydrochlorofluoroolefin refigerants

The present invention relates to heat transfer compositions comprising an oxygenaged lubricant comprising polyvinyl ether oil and a refrigerant comprising hydrofluoroolefins and/or hydrochlorofluoroolefins. The heat transfer compositions of the present invention have the benefit of exhibiting superior thermal stability and are useful in such applications as refrigeration, air conditioning, and heat transfer systems..
Arkema Inc.

Equipment including a heat pump for heating an external fluid with a large temperature differential

An equipment including a heat pump for heating with a large temperature differential an external fluid, said heat pump including: first and second heat exchangers; a coolant; a coolant circuit including a compression unit connected to an outlet of the first heat exchanger and to an inlet of the second heat exchanger and an expansion unit connected to an outlet of the second heat exchanger and to an inlet of the first heat exchanger, wherein the coolant is one of the coolants selected from among a hydrofluorocarbon coolant and a hydrofluoroolefin coolant, and wherein the second heat exchanger and the coolant circuit are suitable for circulating the coolant in a transcritical cycle.. .
Electricite De France

Hydrochlorofluoroolefin blowing agent compositions

The use of a composition as an agent for blowing a projected biocomponent polyurethane foam, said composition including 1-chloro-3,3,3-trifluoropropene and/or 2-chloro-3,3,3-trifluoropropene and at least one additional compound chosen from hydrochlorofluoroolefins, hydrofluoroolefins, hydrochloroolefins, hydrofluorocarbons, hydrochlorofluorocarbons, hydrocarbons, substituted or unsubstituted ethers, substituted or unsubstituted alcohols, substituted or unsubstituted aldehydes, substituted or unsubstituted ketones and substituted or unsubstituted esters, and said composition having a boiling point greater than or equal to 20° c. Also, a method for manufacturing polyurethane foam on the basis of the use above..
Arkema France

Blowing agent compositions of hydrochlorofluoroolefins

The present invention relates to foam products made with blowing agent compositions comprising at least one hydrochlorofluoroolefin (hcfo) used in the preparation of foamable thermoplastic compositions. The hcfos of the present invention include, but are not limited to, 1-chloro-3,3,3-trifluoropropene (hcfo-1233zd), particularly the trans-isomer, 2-chloro-3,3,3-trifluoropropene (hcfo-1233xf), dichloro-fluorinated propenes, and mixtures thereof.
Arkema Inc.

Stabilizer and inhibitor for chloropropenes, such as tetrachloropropene 1,1,2,3-tetrachloropropene (1230xa), used in the manufacture of 2,3,3,3-tetrafluoropropene (1234yf)

The present invention relates in part to a container for stabilized chloropropenes, such as 1,1,2,3-tetrachloropropene, otherwise known to decompose and degrade, and to the resulting stabilized chloropropene, using a morpholine compound and/or a trialkyl phosphate compound as defined herein. Such stabilized chloropropenes are useful in the manufacture of hydrofluoroolefins such as 2,3,3,3-tetrafluoroprop-1-ene (1234yf)..
Honeywell International Inc.

Process for producing 2,3,3,3-tetrafluoropropene

The present invention relates, in part, an improved process for the production of certain hydrofluoroolefins, particularly 2,3,3,3-tetrafluoropropene (1234yf). In certain non-limiting embodiments, the invention relates to methods for improving process efficiency during the fluorination of 1,1,2,3-tetrachloropropene, 2,3,3,3-tetrachloropropene, and/or 1,1,1,2,3-pentachloropropane to 2-chloro-3,3,3-trifluoropropene by separating and recycling unreacted hf, unreacted starting materials, and/or certain pro cess intermediates from the 2-chloro-3,3,3-trifluoropropene product stream..
Honeywell International Inc.

Mixture of hydrofluoroolefine and hydrofluorocarbide to improve the internal arc resistance in medium and high voltage electric apparatus

The invention relates to the use of a mixture of a hydrofluoroolefin and a hydrofluorocarbon, optionally combined with another fluorinated gas, as an electrical insulation medium and/or an electric arc extinguishing medium in a medium-voltage electrical apparatus. The invention also relates to a medium- or high-voltage electrical apparatus in which such a mixture provides electrical insulation and/or electric arc extinguishing..

Process for the manufacture of hydrofluoroolefins

The invention relates to a process for manufacturing 1,1,1,2-tetrafluoropropene (1234yf, cf3-cf═ch2) from 1,1,3,3-tetrachlororopropene (1230za, ccl2ch—chcl2) and/or 1,1,1,3,3-pentachloropropane (240fa, ccl3ch2chcl2). The process comprises a step of isomerization of 1,1,3,3-tetrafluoropropene (1230za) to 1,1,2,3-tetrachloropropene (1230xa) followed by conversion of the 1,1,2,3-tetrachloropropene (1230xa) to 1,1,1,2-tetrafluoropropene (1234yf) via a hydrofluorination process..

Process for producing 2,3,3,3-tetrafluoropropene

The present invention relates, in part, to the discovery that the presence of impurities in 1,1,2,3-tetrachloropropene (1230xa) results in catalyst instability during the fluorination of 1230xa to 2-chloro-3,3,3-trifluoropropene. By substantially removing the impurities, it is shown that the catalyst life is extended and results in improved operation efficiency of the fluorination reaction.

Blowing agent composition of hydrochlorofluoroolefin and hydrofluoroolefin

A blowing agent for thermosetting foams is disclosed. The blowing agent is a hydrofluoroolefin (hcfo), preferably hfco-1234ze in combination with a hydrochlorofluoroolefin (hcfo) preferably one selected from hcfo-1233zd, hcfo-1223, hcfo-1233xf and mixtures thereof.

Stabilizer and inhibitor for chloropropenes, such as tetrachloropropene 1,1,2,3-tetrachloropropene (1230xa), used in the manufacture of 2,3,3,3-tetrafluoropropene (1234yf)

The present invention relates in part to a method of stabilizing chloropropenes, such as 1,1,2,3-tetrachloropropene, otherwise known to decompose and degrade, and to the resulting stabilized chloropropene, using a morpholine compound and/or a trialkyl phosphate compound as defined herein. Such stabilized chloropropenes are useful in the manufacture of hydrofluoroolefins such as 2,3,3,3-tetrafluoroprop-1-ene (1234yf)..

Process for producing 2,3,3,3-tetrafluoropropene

The present invention relates, in part, to the discovery that the presence of moisture in 1,1,2,3-tetrachloropropene (hco-1230xa) results in catalyst deactivation and accelerated corrosion in the reactor during the fluorination of hco-1230xa to 2-chloro-3,3,3-trifluoropropene. By substantially removing the moisture, it is shown that the catalyst life is extended and results in improved operation efficiency of the fluorination reaction.

Process for producing 2,3,3,3-tetrafluoropropene

The present invention relates, in part, to the discovery that high temperatures during the fluorination of 1,1,2,3-tetrachloropropene (hco-1230xa) to 2-chloro-3,3,3-trifluoropropene (hcfo-1233xf) results in catalyst instability, reduced selectivity of the conversion, and/or the formation of one or more undesirable by-products. By controlling the reaction temperature, it is shown that the catalyst life may be extended and the selectivity of the reaction improved.

Mixture of hydrofluoroolefin and fluoroketone for use as an insulation and/or arc extinguishing medium and a gas insulated medium-voltage electrical device comprising same

It also relates to a medium-voltage electrical device in which electrical insulation and/or electric arc extinguishing is (are) provided by a mixture comprising a hydrofluoroolefin and a fluoroketone, optionally associated with a dilution gas.. .

Blowing agent compositions of hydrofluoroolefins and hydrochlorofluoroolefins

The present invention relates to blowing agent compositions comprising (1) at least one hydrofluoroolefin (hfo) and (2) at least one hydrochlorofluoroolefin (hcfo) used in the preparation of foamable thermoplastic compositions. The hfos of component (1) include, but are not limited too, 3,3,3-trifluoropropene (hfo-1243zf), 1,2,3,3,3 -pentafluoropropene (hfo-1225ye), cis- and/or trans-1,3,33-tetrafluoropropene (hfo-1234ze), and 2,3,3,3-tetrafluoropropene (hfo 1234yf), and mixtures thereof.

Use of a mixture comprising a hydrofluoroolefin as a medium-voltage arc-extinguishing and/or insulating gas and medium-voltage electrical device comprising same

It also relates to medium-voltage electrical device in which electrical insulation and/or electrical arc extinguishing is (are) performed by a gaseous medium comprising hydrofluoroolefin, possibly associated with a dilution gas.. .

Stabilized hydrochlorofluoroolefins and hydrofluoroolefins

Disclosed is a combination of hydrofluoroolefins and/or hydrochlorofluoroolefins with stabilizers wherein the stabilizers minimize the degradation of the hydrofluoroolefins and hydrochlorofluoroolefins during storage, handling and use yet allow for atmospheric degradation. The combinations exhibit low or zero ozone depletion potential and lower global warming potential making them of interest as replacements for chlorofluorocarbons and hydrofluorocarbons.

Delay action catalyst for improving the stability of polyurethane systems having halogen containing blowing agents

Catalyst compositions useful in the production of insulating polyurethane or polyisocyanurate foam are disclosed. The catalyst compositions impart increased stability of a mixture of the catalyst, a halogen-containing blowing agent, and a polyol.

Blowing agent compositions of hydrochlorofluoroolefins

The present invention relates to foam products made with blowing agent compositions comprising at least one hydrochlorofluoroolefin (hcfo) used in the preparation of namable thermoplastic compositions. The hcfos of the present invention include, but are not limited to, 1-chloro-3,3,3-trifluoropropene (hcfo-1233zd), particularly the trans-isomer, 2-chloro-3,3,3-trifluoropropene (hcfo-1233xf), dichloro-fluorinated propenes, and mixtures thereof.



Hydrofluoroolefin topics:
  • Hydrofluoroolefin
  • Refrigerant
  • Hydrocarbon
  • Hydrofluorocarbon
  • Carbon Dioxide
  • Global Warming
  • Adsorption
  • Tetrafluoro
  • Frameworks
  • Combustion
  • Perfluoropolyether
  • Solubility
  • Carbon Atoms
  • Thiocarbamate
  • Dimethyl Ether


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    This listing is a sample listing of patent applications related to Hydrofluoroolefin 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 Hydrofluoroolefin with additional patents listed. Browse our RSS directory or Search for other possible listings.


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