Patent application number | Description | Published |
20080199408 | Azeotropic fumigant compositions of methyl iodide - Azeotropic and azeotrope-like compositions of methyl iodide and at least one fluorocarbon or hydrofluorocarbon such as 1,1,1,3,3-pentafluoropropane (HFC-245fa). The compositions are present as a gas, at temperatures of about 30° C. or below. The inventive compositions serve as a non-ozone-depleting gaseous fumigant which is useful in a variety of applications, in place of methyl bromide. These compositions serve as a drop-in replacement for gaseous methyl bromide, providing the benefits of a methyl iodide fumigant while also utilizing existing methyl bromide equipment. | 08-21-2008 |
20090041677 | AZEOTROPE-LIKE COMPOSITIONS OF 1-CHLORO-3,3,3-TRIFLUOROPROPENE AND METHYL IODIDE - An azeotropic or azeotrope-like composition comprising a mixture of methyl iodide, 1-chloro-3,3,3,-trifluoropropene, and optionally one or more of fluorocarbons and/or hydrofluorocarbons. The compositions are present as a gas, at temperatures of about 30° C. or below. The inventive compositions serve as a non-ozone-depleting gaseous fumigant which is useful in a variety of applications, in place of methyl bromide. These compositions serve as a drop-in replacement for gaseous methyl bromide, providing the benefits of a methyl iodide fumigant while also utilizing existing methyl bromide equipment. | 02-12-2009 |
20090269478 | CARRIER SOLVENT FOR FINGERPRINT FORMULATIONS - A method and composition for transforming a latent physiological biometric into a visible physiological biometric are provided, the method comprising: providing a latent biometric disposed on a surface of an article, wherein said biometric comprises at least one eccrine-derived compound; contacting said latent biometric with a developing solution, wherein said developing solution comprises at least one imaging reagent selected from ninhydrin and 1,8-diazafluoren-9-one and a carrier solvent comprising at least one C | 10-29-2009 |
20120220677 | Polyurethane Foam Premixes Containing Halogenated Olefin Blowing Agents And Foams Made From Same - The invention provides polyurethane and polyisocyanurate foams and methods for the preparation thereof. More particularly, the invention relates to closed-celled, polyurethane and polyisocyanurate foams and methods for their preparation. The foams are characterized by a fine uniform cell structure and little or no foam collapse. The foams are produced with a polyol premix composition which comprises a combination of a hydrohaloolefin blowing agent, a polyol, a silicone surfactant, and a non-amine catalyst used alone or in combination with an amine catalyst. | 08-30-2012 |
20120308723 | CARRIER SOLVENT FOR FINGERPRINT FORMULATIONS - A method and composition for transforming a latent physiological biometric into a visible physiological biometric are provided, the method comprising: providing a latent biometric disposed on a surface of an article, wherein said biometric comprises at least one eccrine-derived compound; contacting said latent biometric with a developing solution, wherein said developing solution comprises at least one imaging reagent selected from ninhydrin and 1,8-diazafluoren-9-one and a carrier solvent comprising at least one C | 12-06-2012 |
20120313035 | POLYURETHANE FOAM PREMIXES CONTAINING HALOGENATED OLEFIN BLOWING AGENTS AND FOAMS MADE FROM SAME - The invention provides polyurethane and polyisocyanurate foams and methods for the preparation thereof. More particularly, the invention relates to closed-celled, polyurethane and polyisocyanurate foams and methods for their preparation. The foams are characterized by a fine uniform cell structure and little or no foam collapse. The foams are produced with a polyol premix composition which comprises a combination of a hydrohaloolefin blowing agent, a polyol, a silicone surfactant, and an-amine catalyst that prefreably has a Fluoride Generation Value of not greater than about 1000 ppm. | 12-13-2012 |
20130089671 | POLYMERS FORMED FROM 2,3,3,3-TETRAFLUOROPROPENE AND ARTICLES AND USES THEREOF - The present invention generally relates to a novel polymeric material formed, at least in part, from monomeric material comprising 2,3,3,3-tetrafluoropropene (CF | 04-11-2013 |
20130090439 | Polymerization Of 2,3,3,3-Tetrafluoropropene And Polymers Formed From 2,3,3,3-Tetrafluoropropene - The present invention relates to methods of producing polymerized 2,3,3,3-tetrafluoropropene (poly-1234yf) using one or a combination of the techniques provided herein. In certain embodiments, such techniques include (1) emulsion polymerization; (2) suspension polymerization; (3) solution polymerization; (4) supercritical carbon dioxide polymerization; (5) transition metal catalyzed polymerization; (6) radiation or thermal polymerization; and combinations thereof. A wide array of initiators, catalysts, and solvents may be used in such polymerization processes and may include, but are not limited to, (1) radical initiators; (2) ionic initiators; and (3) single-site and multiple-site catalysts. | 04-11-2013 |
20130109570 | FUMIGANT COMPOSITONS AND METHODS | 05-02-2013 |
20130158250 | METHOD OF DEACIDIFYING CELLULOSE BASED MATERIALS - Provided are compositions and methods of deacidifying a cellulose-based material. The compositions include a hydrohalo-olefin and a deacidification agent dispersed within the hydrohalo-olefin. Cellulose-based materials are contacted with the composition for a sufficient time to increase the pH of the material. | 06-20-2013 |
20140044764 | USE OF 2,3,3,3-TETRAFLUOROPROPENE/VINYLIDENE FLUORIDE COPOLYMERS TO PREVENT BIOFOULING - A copolymer comprising 2,3,3,3-tetrafluoropropene and vinylidene fluoride and having a surface energy of between about 20 and about 30 mJ/m | 02-13-2014 |
20140051818 | SYNTHESIS OF HIGH MOLECULAR WEIGHT POLY(2,3,3,3-TETRAFLUOROPROPENE) - A process of synthesizing poly(2,3,3,3-tetrafluoropropene), comprising reacting 2,3,3,3-tetrafluoropropene monomers in a reaction medium in the presence of an initiator, wherein the initiator is added to the reaction medium in multiple portions at different times during the process. | 02-20-2014 |
20140080987 | FLUOROELASTOMERS - A fluoroelastomer comprising a copolymer of fluoroolefin monomers selected from one or more of the group consisting of 2,3,3,3-tetrafluoropropene, 1,3,3,3-tetrafluoropropene and 1-chloro-3,3,3-trifluoropropene, and ethylenically unsaturated co-monomers; wherein the fluoroelastomer has a glass transition temperature (Tg) of from about −60° C. to about 53° C. A process of making the fluoroelastomer. | 03-20-2014 |
20140138314 | FLUORINATED ETHYLENE-PROPYLENE POLYMERIC MEMBRANES FOR GAS SEPARATIONS - A fluorinated ethylene-propylene polymeric membrane comprising a copolymer comprising 2,3,3,3-tetrafluoropropene and vinylidene fluoride is disclosed. The fluorinated ethylene-propylene polymeric membranes of the invention are especially useful in gas separation processes in air purification, petrochemical, refinery, and natural gas industries. | 05-22-2014 |
20140138317 | BLEND POLYMERIC MEMBRANES CONTAINING FLUORINATED ETHYLENE-PROPYLENE POLYMERS FOR GAS SEPARATIONS - The present invention generally relates to gas separation membranes and, in particular, to high selectivity fluorinated ethylene-propylene polymer-comprising polymeric blend membranes for gas separations. The polymeric blend membrane comprises a fluorinated ethylene-propylene polymer and a second polymer different from the fluorinated ethylene-propylene polymer. The fluorinated ethylene-propylene polymers in the current invention are copolymers comprising 10 to 99 mol % 2,3,3,3-tetrafluoropropene-based structural units and 1 to 90 mol % vinylidene fluoride-based structural units. The second polymer different from the fluorinated ethylene-propylene polymer is selected from a low cost, easily processable glassy polymer. | 05-22-2014 |
20140142264 | USE OF 2,3,3,3-TETRAFLUOROPROPENE/VINYLIDENE FLUORIDE COPOLYMERS TO PREVENT BIOFOULING - A copolymer comprising 2,3,3,3-tetrafluoropropene and vinylidene fluoride and having a surface energy of between about 20 and about 30 mJ/m | 05-22-2014 |
20140147480 | SYNTHESIS AND USE OF TRANS-1,3,3,3-TETRAFLUOROPROPENE/VINYLIDENE FLUORIDE COPOLYMERS - A copolymer comprising trans-1,3,3,3-tetrafluoropropene units and vinylidene fluoride units, and methods of making the same. A method of preventing biofouling on an article of manufacture, comprising applying such copolymer to the article of manufacture. A process of preparing a surface having a surface energy of between about 20 and about 30 mJ/m | 05-29-2014 |
20140150646 | BLEND POLYMERIC MEMBRANES CONTAINING FLUORINATED ETHYLENE-PROPYLENE POLYMERS FOR GAS SEPARATIONS - The present invention generally relates to gas separation membranes and, in particular, to high selectivity fluorinated ethylene-propylene polymer-comprising polymeric blend membranes for gas separations. The polymeric blend membrane comprises a fluorinated ethylene-propylene polymer and a second polymer different from the fluorinated ethylene-propylene polymer. The fluorinated ethylene-propylene polymers in the current invention are copolymers comprising 10 to 99 mol % 2,3,3,3-tetrafluoropropene-based structural units and 1 to 90 mol % vinylidene fluoride-based structural units. The second polymer different from the fluorinated ethylene-propylene polymer is selected from a low cost, easily processable glassy polymer. | 06-05-2014 |
20140150648 | FLUORINATED ETHYLENE-PROPYLENE POLYMERIC MEMBRANES FOR GAS SEPARATIONS - A fluorinated ethylene-propylene polymeric membrane comprising a copolymer comprising 2,3,3,3-tetrafluoropropene and vinylidene fluoride is disclosed. The fluorinated ethylene-propylene polymeric membranes of the invention are especially useful in gas separation processes in air purification, petrochemical, refinery, and natural gas industries. | 06-05-2014 |
20140179887 | SYNTHESIS OF 2,3,3,3-TETRAFLUOROPROPENE/VINYLIDENE FLUORIDE COPOLYMERS - In accordance with the present invention, aqueous emulsion polymerization processes of synthesizing 2,3,3,3-tetrafluoropropene/vinylidene fluoride copolymers having 2,3,3,3-tetrafluoropropene as the major monomer unit are provided. | 06-26-2014 |
20140179960 | SYNTHESIS OF 1-BROMO-3,3,3-TRIFLUOROPROPENE - In accordance with the present invention, processes for producing bromofluoropropenes in commercial quantities by reacting 3,3,3-trifluoropropyne with hydrogen bromide at elevated temperatures are provided. | 06-26-2014 |
20140179961 | SYNTHESIS OF 3,3,3-TRIFLUOROPROPYNE - In accordance with the present invention, processes of synthesizing 3,3,3-trifluoropropyne from 1,3,3,3-tetrafluoropropene, 1-chloro-3,3,3-trifluoropropene, and/or 1,1,1,3,3-pentafluoropropane are provided. | 06-26-2014 |
20140339167 | 1234YF- AND 1234ZE-BASED POLYMERIC MEMBRANE MATERIALS, MEMBRANE PREPARATIONS AND USES THEREOF - The present invention generally relates to polymeric membrane materials formed, at least in part, from monomeric material selected from 2,3,3,3-tetrafluoropropene (CF | 11-20-2014 |
20140343330 | DEHALOGENATION OF TRANS-1-CHLORO-3,3,3-TRIFLUOROPROPENE - The present invention is related to making hydrofluorocarbons (HCFCs), more specifically, 3,3,3-trifluoropropyne (TFP), from trans-1-chloro-3,3,3-trifluoropropene (trans-1233zd) by contacting the trans-1233zd with a base. Preferably, the base is potassium hydroxide or potassium tert-butoxide, which may or may not be dissolved in as solvent. | 11-20-2014 |
20150065746 | FLUOROSURFACTANTS HAVING IMPROVED BIODEGRADABILITY - To address the problem of insufficient biodegradability of perfluorinated surfactants, the present invention provides biodegradable fluorosurfactants derived from olefins having —CHR, —CHRf, —CHF, and/or —CH | 03-05-2015 |
Patent application number | Description | Published |
20100135914 | AZEOTROPIC FUMIGANT COMPOSITIONS AND METHODS OF CONTROLLING PESTS - A fumigant composition including an azeotropic mixture of methyl iodide and sulfuryl fluoride; and a method of controlling at least one target insect species including treating a target space with a composition including an azeotropic mixture of methyl iodide and sulfuryl fluoride by applying an amount of the composition to the target space that is effective to kill a substantial portion of the target insect species in multiple development stages. | 06-03-2010 |
20110252694 | COMPOSITIONS FOR DRIP FUMIGATION - Soil fumigation compositions are provided herein that include methyl iodide, at least one fluorocarbon or hydrofluorocarbon, at least one surfactant, and water. The fumigant can be produced by combining the water and surfactant with an initial mixture that is an azeotropic or azeotrope-like mixture of methyl iodide and at least one fluorocarbon or hydrofluorocarbon. The fumigant compositions can be utilized in drip fumigation processes, and have increased volatility as compared to methyl iodide alone, which can reduce the risk of water contamination when utilizing methyl iodide as a fumigant. | 10-20-2011 |
20110288346 | PROCESS FOR CIS 1,1,1,4,4,4-HEXAFLUORO-2-BUTENE - Disclosed is a process for preparing cis-1,1,1,4,4,4-hexafluoropropene comprising the steps of (a) reacting CCl | 11-24-2011 |
20110288348 | PROCESS FOR THE PREPARATION OF HEXAFLUORO-2-BUTYNE - Disclosed is a process for making hexafluoro-2-butyne comprising the steps of: (a) providing a composition comprising CF | 11-24-2011 |
20110288349 | PROCESS FOR THE PRODUCTION OF FLUORINATED ALKENES - The present invention provides a method for the preparation of suitable chlorofluorocarbon and hydrochlorofluorocarbon materials or chlorofluorocarbon and hydrochlorofluorocarbon alkene and alkyne intermediates which serve as useful feedstock for fluorination and reduction to cis-1,1,1,4,4,4-hexafluoro-2-butene. Also presented is a continuous process for the production of cis-1,1,1,4,4,4-hexafluoro-2-butene from the alkene and alkyne intermediates. | 11-24-2011 |
20110288350 | PROCESS FOR THE PREPARATION OF FLUORINATED CIS-ALKENE - Disclosed is a process for the preparation of fluorine-containing olefins comprising contacting a chlorofluoroalkane with hydrogen in the presence of a catalyst at a temperature sufficient to cause replacement of the chlorine substituents of the chlorofluoroalkane with hydrogen to produce a fluorine-containing olefin. Also disclosed are catalyst compositions for the hydrodechlorination of chlorofluoroalkanes comprising copper metal deposited on a support, and comprising palladium deposited on calcium fluoride, poisoned with lead and reducing the in the presence or absence of a dehydrochlorination catalyst under conditions effective to form a product stream comprising cis-1,1,1,4,4,4-hexafluoro-2-butene (HFO-1336). | 11-24-2011 |
20120064208 | AZEOTROPIC POST-HARVEST FUMIGATION COMPOSITIONS OF METHYL IODIDE - The present technology relates to fumigant compositions and fumigation processes, and particularly to processes for the fumigation of perishable products. The fumigant compositions comprise an azeotropic and azeotrope-like composition of methyl iodide and at least one fluorocarbon or hydrofluorocarbon. The fumigation methods include providing a fumigant composition and applying the fumigant composition to a perishable product. | 03-15-2012 |
20120213861 | 2-CHLOROPENTAFLUOROPROPENE COMPOSITIONS AND METHOD OF USE FOR EXTERMINATION OF RODENTIA - Rodenticide compositions that include 2-chloropentafluoropropene, and methods of using such rodenticide compositions, are provided. The rodenticide compositions can be used as fumigants in space fumigation applications. In some examples, the rodenticide compositions can be used as drop-in replacements for methyl bromide in existing rodenticide compositions and methods of exterminating rodents using methyl bromide. | 08-23-2012 |
20120215041 | PROCESS FOR CIS-1-CHLORO-3,3,3-TRIFLUOROPROPENE - Disclosed is a process for making one isomer of CF | 08-23-2012 |
20120251703 | USE OF LOW GLOBAL WARMING POTENTIAL (LGWP) SOLVENTS FOR FINGER PRINT DEVELOPMENT APPLICATIONS - Developing compositions are provided herein for use in producing a visibly detectable image of a latent physiological biometric. The developing compositions include a carrier solvent that includes at least one C | 10-04-2012 |
20130150632 | PROCESS FOR CIS-1-CHLORO-3,3,3-TRIFLUOROPROPENE - Disclosed is a process for the preparation of cis-1-chloro-3,3,3-trifluoropropene (cis-1233zd) comprising the steps of (a) providing CF | 06-13-2013 |
20130150633 | PROCESS FOR MAKING CIS-1-CHLORO-3,3,3-TRIFLUOROPROPENE - Disclosed is a process for making cis-1-chloro-3,3,3-trifluoropropene comprising reacting 3,3,3-trifluoropropyne with HCl in a reaction vessel at a yield of at least about 80%. | 06-13-2013 |
20130150634 | PROCESS FOR 1,1,2-TRICHLORO-3,3,3-TRIFLUOROPROPANE - Disclosed is a process for making the compound 1,1,2-trichloro-3,3,3-trifluoro-propane (233da) by the catalytic fluorination of 1,1,1,2,3,3-hexachloropropane. 233da is a starting material used in the production cis-1-chloro-3,3,3-trifluoropropene (cis-1233zd). | 06-13-2013 |
20130211155 | PROCESS FOR MAKING TETRAFLUOROPROPENE - The present invention describes a process for making CF | 08-15-2013 |
20130211156 | PROCESS FOR 1,3,3,3-TETRAFLUOROPROPENE - The present invention provides a simple three step process for the production of 1,3,3,3-tetrafluoropropene (HFO-1234ze). In the first step, carbon tetrachloride is added to vinyl fluoride to afford the compound CCl | 08-15-2013 |
20150045588 | PROCESS FOR 1-CHLORO-3,3,3-TRIFLUOROPROPENE FROM TRIFLUOROMETHANE - The present invention provides routes for making 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd) from commercially available raw materials. More specifically, this invention provides routes for HCFO-1233zd from inexpensive and commercially available trifluoromethane (HFC-23). | 02-12-2015 |
20150045590 | PROCESS FOR 1-CHLORO-3,3,3-TRIFLUOROPROPENE FROM TRIFLUOROPROPENE - The present invention provides routes for making 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd) from commercially available raw materials. More specifically, this invention provides several routes for forming HCFO-1233zd from 3,3,3-trifluoropropene (FC-1234zf). | 02-12-2015 |