| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 526250000 | Fluorine containing monomer contains F, C and H only or F and C only | 41 |
| 20130123448 | CAPTURE OF FLUORINATED VINYL MONOMERS USING IONIC LIQUIDS - A method for capturing certain fluorinated vinyl monomers from a gaseous mixture using ionic liquids is described. The gaseous mixture is contacted with at least one ionic liquid, whereby at least a portion of the fluorinated vinyl monomer is absorbed by the ionic liquid. The method is useful for reducing emissions of fluorinated vinyl monomers and for increasing the product yields in the manufacture of polymers from these monomers. | 05-16-2013 |
| 526251000 | Aromatic | 1 |
| 20090186998 | PARYLENE VARIANTS AND METHODS OF SYNTHESIS AND USE - Fluorinated paracyclophane compounds represented by the formula: | 07-23-2009 |
| 526252000 | Fluorine compound contains two or more ethylenic groups | 3 |
| 20100204423 | ETHYLENE-TETRAFLUOROETHYLENE COPOLYMER - To provide an ETFE-type copolymer having a high melt tension and excellent blow moldability. | 08-12-2010 |
| 20110077371 | POLYFLUOROALKADIENE MIXTURE AND METHOD FOR PRODUCING THE SAME - A mixture of polyfluoroalkadienes represented by the general formulae: CF | 03-31-2011 |
| 20110301313 | IMPRINT PRODUCT AND METHOD FOR PRODUCING THE SAME - Provided is an imprint product, which is for transcribing a fine pattern of a mold surface and which contains a fluorine-containing cyclic olefin polymer containing repeating unit represented by formula (1) and having a fluorine atom content rate of 40% to 75% by mass. | 12-08-2011 |
| 526253000 | Five or more fluorine atoms | 4 |
| 526254000 | Contains only carbon and fluorine atoms | 4 |
| 20080293904 | High Melt Flow Fluoropolymer - The present invention relates to a partially-crystalline copolymer comprising tetrafluoroethylene, hexafluoropropylene in an amount corresponding to HFPI of from about 2.8 to 5.3, and preferably from about 0.2% to 3% by weight of perfluoro(alkyl vinyl ether), said copolymer having less than about 50 ppm alkali metal ion, having a melt flow rate of within the range of about 30±3 g/10 min, and having no more than about 50 unstable endgroups/10 | 11-27-2008 |
| 20090292094 | Fluoropolymer Composition - Amorphous copolymers comprising 50-80 mole percent of monomer units derived from tetrafluoroethylene and 20 to 50 mole percent of monomer units derived from 1,2,3,3,3-pentafluoropropylene are provided. | 11-26-2009 |
| 20100069591 | PROCESS FOR COAGULATING FLUOROELASTOMERS - In a process for the manufacture of fluoroelastomers, a water-soluble polymeric coagulant is employed that is an aqueous solution of polyethylene oxide homopolymer or copolymer having a viscosity average molecular weight of 500,000 or greater. | 03-18-2010 |
| 20150344592 | FLUOROPOLYMER DISPERSION TREATMENT EMPLOYING OXIDIZING AGENT TO REDUCE FLUOROPOLYMER RESIN DISCOLORATION - A process for reducing thermally induced discoloration of fluoropolymer resin produced by polymerizing fluoromonomer in an aqueous dispersion medium to form aqueous fluoropolymer dispersion and isolating said fluoropolymer from the aqueous medium to obtain the fluoropolymer resin. The process comprises exposing the aqueous fluoropolymer dispersion to oxidizing agent. | 12-03-2015 |
| 526255000 | Two or more fluorine atoms, e.g., vinylidene fluoride, etc. | 32 |
| 20080262180 | Separation of polymer slurries - Methods for producing elastomers or elastomeric compositions are provided. One or more C | 10-23-2008 |
| 20080281067 | Modified Polytetrafluoroethylene Powder and Method for Producing Tetrafluoroethylene Polymer - The present invention provides a polytetrafluoroethylene powder having moldability/processability as well as electrical characteristics in microwave bands. The present invention is a modified polytetrafluoroethylene powder which has (1) a dielectric loss tangent at 12 GHz of not higher than 2.0×10 | 11-13-2008 |
| 20090105436 | RADICALLY COUPLED PTFE POLYMER COMPOUNDS AND METHOD FOR THE PRODUCTION THEREOF - Radically coupled PTFE polymer compounds useful, for example, as tribo materials, and a method for the production thereof. Radically coupled PTFE polymer compounds are provided which exhibit improved wear resistances with comparable gliding properties, and furthermore there is provided a simple and efficient method for the production of such compounds. Radically coupled PTFE polymer compounds are provided comprising radiation-chemically and/or plasma-chemically modified PTFE powders, on the particle surface of which olefinically unsaturated polymers are chemically radically coupled by a reactive conversion into a melt. There is also provided a method for producing radically coupled PTFE polymer compounds, in which PTFE powders are reactively converted with reactive perfluoroalkyl-(peroxy) radical centers after a radiation-chemical and/or plasma-chemical modification into a melt with the addition of olefinically unsaturated polymers. | 04-23-2009 |
| 20100016533 | POLYMERS OF FLUORINATED MONOMERS AND HYDROCARBON MONOMERS - It is a polymer formed of fluorinated monomers and hydrocarbon monomers and another biocompatible polymer. | 01-21-2010 |
| 20100036074 | Melt-Flowable Fluoropolymer Comprising Repeating Units Arising from Tetrafluoroethylene and a Hydrocarbon Monomer Having a Functional Group and a Polymerizable Carbon-Carbon Double Bond - Disclosed is a melt-flowable fluoropolymer comprising repeating units arising from (a) tetrafluoroethylene and (b) a monomer having at least one functional group and a polymerizable carbon-carbon double bond, wherein the sum of the weight percent of (a) and (b) comprises at least about 99 weight percent of all repeating units comprising the melt-flowable fluoropolymer. | 02-11-2010 |
| 20100093962 | METHOD OF FORMING THIN FILM - There is provided a method of forming a thin film of vinylidene fluoride homopolymer having crystal form I which is applicable to various substrates in relatively easy way (coating conditions, application method, etc.), a process for preparing a vinylidene fluoride homopolymer having crystal form I efficiently at high purity, and novel vinylidene fluoride homopolymers which can give a thin film being excellent in ferroelectricity. The method of forming a thin film of vinylidene fluoride homopolymer comprises (i) a step for preparing a green powder product of vinylidene fluoride homopolymer comprising crystal form I alone or as main component by subjecting vinylidene fluoride to radical polymerization in the presence of a bromine compound or iodine compound having 1 to 20 carbon atoms which contains at least one moiety represented by —CRf | 04-15-2010 |
| 20100144994 | Process for Separation of Tetrafluoroethylene from Carbon Dioxide using Ionic Liquids - A process for separating tetrafluoroethylene from a mixture comprising tetrafluoroethylene and carbon dioxide by contacting the mixture with at least one ionic liquid. | 06-10-2010 |
| 20100160584 | Ethylene-Tetrafluoroethylene Carboxylic Acids and Salts - Polyfluorinated carboxylic acids and their salts containing an ethylene-tetrafluoroethylene moiety, which are useful as surfactants in a process for the dispersion polymerization of fluorinated monomer in an aqueous polymerization medium. | 06-24-2010 |
| 20100179292 | Method For Recovering A Polymer From A Liquid Medium - Method for recovering a polymer from a liquid medium ( | 07-15-2010 |
| 20100179293 | PROCESS FOR REMOVING FLUORINATED COMPOUNDS FROM AN AQUEOUS PHASE ORIGINATING FROM THE PREPARATION OF FLUOROPOLYMERS - A process of removing fluorinated compounds from an aqueous phase originating from the preparation of fluoropolymers said process comprising the use of polycationic polymers. | 07-15-2010 |
| 20100222533 | METHOD OF PRODUCING AN ELECTRET MATERIAL - The present invention relates to a method of producing an electret material, to a new class of electret materials and to a device comprising such electret materials. | 09-02-2010 |
| 20100227992 | PROCESS FOR PRODUCING FLUOROPOLYMERS - A process for producing fluoropolymers by polymerizing at least one fluorinated monomer in a polymerization medium comprising water and selected low-telogenic hydrofluoroethers (HFEs). | 09-09-2010 |
| 20110040054 | METHOD FOR PRODUCING POLYTETRAFLUOROETHYLENE FINE POWDER - To provide a method for producing a PTFE fine powder having a low paste extrusion pressure property by a simple method. | 02-17-2011 |
| 20110207905 | Aqueous Fluoropolymer Dispersion Stabilized with Amine Oxide Surfactant and Process for Making Coagulated Fluoropolymer Resin - An aqueous fluoropolymer dispersion comprising an aqueous medium, fluoropolymer particles, and an amine oxide surfactant. Coagulated fluoropolymer resin is produced from the dispersion by adding an acidic reagent in sufficient amount to cause coagulation and separation of the coagulated fluoropolymer resin from the aqueous medium. Another particulate component such as particular polymer, filler, pigment, solid lubricant, etc., may be added to the dispersion and co-coagulated to form a mixture of coagulated fluoropolymer resin and particulate component. | 08-25-2011 |
| 20120095178 | Process For Treatment Of Residual Nucleic Acids Present On The Surface Of Laboratory Consumables - The invention relates to a new process for treatment of residual nucleic acids present on the surface of laboratory consumables. This process combines two treatment phases:
| 04-19-2012 |
| 20120108774 | ETHYLENE/TETRAFLUOROETHYLENE COPOLYMER - To provide an ethylene/tetrafluoroethylene copolymer which is excellent in heat resistance and flexibility. | 05-03-2012 |
| 20130023636 | 2, 3, 3, 3-TETRAFLUOROPROPENE COPOLYMER - The present invention provides a novel copolymer of 2,3,3,3-tetrafluoropropene and a non-fluorinated ethylenic hydrocarbon monomer. The copolymer contains (A) a 2,3,3,3-tetrafluoropropene unit and (B) a non-fluorinated ethylenic hydrocarbon monomer unit. The copolymerization ratio (mol % ratio) of (A) and (B) is 99.9:0.1 to 0.1:99.9 and the number average molecular weight of the copolymer is 1000 to 1000000. | 01-24-2013 |
| 20130158220 | Method Of Manufacture Of Polytetrafluoroethylene Stretched Film, And Polytetrafluoroethylene Stretched Film - A method of manufacturing a PTFE stretched film that has higher tensile strength at its breaking point. In the method, a resin composition is obtained by mixing an emulsion of PTFE (A) with a number average molecular weight of 5×106 or more and an emulsion of PTFE (B) with a number average molecular weight of 1×106 to 4×106 so that the solid content ratio (A/B) of the PTFE (A) and the PTFE (B) is 99/1 to 10/90. The mixed emulsion is subjected to compression molding in a melted state under a reduced-pressure atmosphere to obtain a film. | 06-20-2013 |
| 20130231448 | PROCESS FOR SEPARATION OF TETRAFLUOROETHYLENE FROM CARBON DIOXIDE USING IONIC LIQUIDS - A process for separating tetrafluoroethylene from a mixture comprising tetrafluoroethylene and carbon dioxide by contacting the mixture with at least one ionic liquid. | 09-05-2013 |
| 20130237677 | METHOD OF FORMING THIN FILM - A vinylidene fluoride homopolymer represented by the formula (4): | 09-12-2013 |
| 20130303715 | Fluoropolymer Resin Treatment Employing Heating and Oxygen Source to Reduce Discoloration - Process for reducing thermally induced discoloration of fluoropolymer resin produced by polymerizing fluoromonomer in an aqueous medium to form aqueous fluoropolymer dispersion and isolating said fluoropolymer from said aqueous medium to obtain said fluoropolymer resin. The process comprises:
| 11-14-2013 |
| 20130303716 | Drying Wet Fluoropolymer Resin and Exposing to Oxygen Source to Reduce Discoloration - Process for reducing thermally induced discoloration of fluoropolymer resin produced by polymerizing fluoromonomer in an aqueous dispersion medium to form aqueous fluoropolymer dispersion and isolating fluoropolymer from said aqueous medium by separating wet fluoropolymer resin from the aqueous medium and drying to produce fluoropolymer resin. The process comprises:
| 11-14-2013 |
| 20130303717 | Fluoropolymer Dispersion Treatment Employing Oxidizing Agent to Reduce Fluoropolymer Resin Discoloration - A process for reducing thermally induced discoloration of fluoropolymer resin produced by polymerizing fluoromonomer in an aqueous dispersion medium to form aqueous fluoropolymer dispersion and isolating said fluoropolymer from the aqueous medium to obtain the fluoropolymer resin. The process comprises:
| 11-14-2013 |
| 20130303718 | Fluoropolymer Dispersion Treatment Employing Oxidizing Agent to Reduce Fluoropolymer Resin Discoloration - A process for reducing thermally induced discoloration of fluoropolymer resin produced by polymerizing fluoromonomer in an aqueous dispersion medium to form aqueous fluoropolymer dispersion and isolating said fluoropolymer from the aqueous medium to obtain the fluoropolymer resin. The process comprises:
| 11-14-2013 |
| 20140128561 | POLYMERIZATION OF MONOMERS USING FLUORINATED PROPYLENE SOLVENTS - The present invention relates to the polymerization and copolymerization of monomers in the presence of fluorinated propylene solvents. More particularly, the present invention relates to the use of polymerization mediums suitable to polymerize one or more monomers to form polymers and/or copolymers, with a tetrafluoropolypropylene being used as a solvent or diluent for the one or more monomers. | 05-08-2014 |
| 20140135465 | METHOD FOR PRODUCING ETHYLENE-TETRAFLUOROETHYLENE COPOLYMER POWDER - Provided is a method for producing an ethylene-tetrafluoroethylene copolymer powder, whereby it is possible to simply and inexpensively produce an ethylene-tetrafluoroethylene copolymer powder excellent in handling efficiency from a slurry having an ethylene-tetrafluoroethylene copolymer dispersed in a fluorinated organic solvent. A method for producing an ethylene-tetrafluoroethylene copolymer powder, which comprises feeding, at a feeding linear velocity exceeding 0.10 m/sec., a slurry having ethylene-tetrafluoroethylene copolymer microparticles dispersed in a specific fluorinated organic solvent, to a centrifugal thin-film evaporator | 05-15-2014 |
| 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 |
| 20140256895 | FLUOROPOLYMER RESIN TREATMENT EMPLOYING SORBENT TO REDUCE FLUOROPOLYMER RESIN DISCOLORATION - A process for reducing thermally induced discoloration of fluoropolymer resin produced by polymerizing fluoromonomer in an aqueous dispersion medium to form aqueous fluoropolymer dispersion and isolating the fluoropolymer from the aqueous medium to obtain fluoropolymer resin. The process comprises:
| 09-11-2014 |
| 20140343239 | PROCESS FOR PRODUCING POLYTETRAFLUOROETHYLENE FINE POWDER - To provide a process for producing a PTFE fine powder having a high bulk density, whereby the concentration of non-coagulated PTFE in coagulation wastewater is low. | 11-20-2014 |
| 20160030154 | PROSTHETIC DEVICE INCLUDING ELECTROSTATICALLY SPUN FIBROUS LAYER AND METHOD FOR MAKING THE SAME - In accordance with certain embodiments of the present disclosure, a process of forming a prosthetic device is provided. The process includes forming a dispersion of polymeric nanofibers, a fiberizing polymer, and a solvent, the dispersion having a viscosity of at least about 50,000 cPs. A tubular frame is positioned over a tubular polymeric structure. Nanofibers from the dispersion are electrospun onto the tubular frame to form a prosthetic device. The prosthetic device is heated. | 02-04-2016 |
| 20160032063 | Optical Film - Disclosed is an optical film having low wavelength dispersibility which is obtained by stretching a film formed of a fluorine-containing cyclic olefin polymer including at least one selected from a repeating structural unit represented by the formula described below, wherein a phase difference at a wavelength of 550 nm is greater than or equal to 50 nm, wavelength dispersibility represented by a ratio Re (400 nm)/Re (550 nm) of a phase difference Re (400 nm) at a wavelength of 400 nm to a phase difference Re (550 nm) at a wavelength of 550 nm is 1.00 to 1.05, wavelength dispersibility represented by a ratio Re (400 nm)/Re (800 nm) of a phase difference Re (400 nm) at a wavelength of 400 nm to a phase difference Re (800 nm) at a wavelength of 800 nm is 1.00 to 1.05, and total light transmittance is greater than or equal to 92%. | 02-04-2016 |
| 20160046746 | COPOLYMERS CONTAINING VINYLIDENE FLUORIDE AND TRIFLUOROETHYLENE - The subject matter of the invention is a copolymer obtained by free-radical copolymerization of vinylidene fluoride with trifluoroethylene and of at least a third monomer, the third monomer having a molar mass greater than 0 g/mol and corresponding to the formula: in which R | 02-18-2016 |
