| Patent application number | Description | Published |
|---|
| 20080264864 | PROCESS FOR REMOVING FLUORINATED EMULSIFIER FROM FLUOROPOLMER DISPERSIONS USING AN ANION-EXCHANGE RESIN AND A pH-DEPENDENT SURFACTANT AND FLUOROPOLYMER DISPERSIONS CONTAINING A pH-DEPENDENT SURFACTANT - A process of reducing the amount of fluorinated emulsifiers in fluoropolymer dispersions by contacting the fluoropolymer dispersion with an anion exchange resin in the presence of a pH-dependent surfactant, and fluoropolymer dispersions containing the pH-dependent surfactant and uses thereof. | 10-30-2008 |
| 20090192260 | PROCESS FOR REMOVING FLUORINATED EMULSIFIER FROM FLUOROPOLMER DISPERSIONS USING AN ANION-EXCHANGE RESIN AND A pH-DEPENDENT SURFACTANT AND FLUOROPOLYMER DISPERSIONS CONTAINING A pH-DEPENDENT SURFACTANT - A process of reducing the amount of fluorinated emulsifiers in fluoropolymer dispersions by contacting the fluoropolymer dispersion with an anion exchange resin in the presence of a pH-dependent surfactant, and fluoropolymer dispersions containing the pH-dependent surfactant and uses thereof. | 07-30-2009 |
| 20100022702 | THERMALLY STABLE FLUOROPOLYMERS - A fluorinated polymer composition, an article made with the fluorinated polymer composition and a method of making the fluorinated polymer are provided. The method comprises a partially fluorinated polymer which has carboxylic or carboxylate end groups and forming a potassium salt with the end groups of the fluorinated polymer through ion exchange. The resulting partially fluorinated polymers demonstrate high thermal stability without the addition of thermal stabilizers. | 01-28-2010 |
| 20100179262 | FLUORINATED ETHER COMPOSITIONS AND METHODS OF USING THE SAME - A composition including at least one first divalent unit represented by formula: Each Rf is independently selected from the group consisting of Rf | 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 |
| 20100305262 | PROCESS FOR MANUFACTURING CLEAN FLUOROPOLYMERS - There is provided a fluoroelastomer characterized by containing one type or more types of fluorinated emulsifiers represented by the formula: F—(CF | 12-02-2010 |
| 20110034604 | FLUORINATED SURFACTANTS FOR MAKING FLUOROPOLYMERS - The invention provides a fluorinated surfactant having the general formula: | 02-10-2011 |
| 20110124532 | FLUORINATED ETHER SILANES AND METHODS OF USING THE SAME - Fluorinated compounds represented by formula Rf-Q-X—[Si(R) | 05-26-2011 |
| 20110124782 | FLUORINATED ETHER COMPOUNDS AND METHODS OF USING THE SAME - Compounds represented by formula (Rf-Q-X) | 05-26-2011 |
| 20110184214 | PROCESS OF MAKING FLUOROOLEFINS BY THERMAL DECOMPOSITION OF FLUORINATED MATERIALS - Process for producing fluorinated olefins from fluorinated materials, the process comprising thermally decomposing the fluoropolymers into fluoroolefins in a reactor having a feeding zone where the fluorinated materials are fed into the reactor and a decomposition zone where the fluorinated materials are thermally decomposed and wherein the thermal decomposition is carried out in the presence of microwave irradiation. | 07-28-2011 |
| 20110218305 | AZIDE-CONTAINING FLUOROPOLYMERS AND THEIR PREPARATION - Fluoropolymers containing one or more azide group wherein the azide group is not a sulfonyl-azide group and processes of preparing them. | 09-08-2011 |
| 20110232530 | FLUORINATED ETHER URETHANES AND METHODS OF USING THE SAME - Compounds comprising end groups represented by formula (Rf-Q) | 09-29-2011 |
| 20110294951 | METHOD OF PREPARING FLUOROPOLYMERS BY AQUEOUS EMULSION POLYMERIZATION - Method of making fluoropolymers by emulsion polymerization of one or more fluorinated monomers in an aqueous phase in the presence of a fluorinated emulsifier, said method comprises adding a doping agent in a weight ratio with respect to the emulsifier of from about 1:2 to about 1:20, said doping agent has a melting point of equal or less than 30° C. and a boiling point of at least about 100° C. and is selected from the group consisting of fluorinated cyclic hydrocarbons, fluorinated polyoxyalkenes, fluorinated alkenes and fluorinated polyoxyalkenes. | 12-01-2011 |
| 20120129982 | FLUOROPOLYMER COMPOSITIONS CONTAINING A POLYOL COMPOUND AND METHODS OF MAKING THEM - There are provided compositions comprising (i) at least one non-aromatic polyol compound containing at least one polyol unit having at least two hydroxyl groups and at least one long chain unit containing at least 6 carbon atoms; and (ii) at least one fluoropolymer comprising repeating units derived from a fluorinated olefin. There are also provided methods of improving the shear stability of fluoropolymer dispersions, methods of coating substrates, and substrates coated with the above described composition. | 05-24-2012 |
| 20120184770 | METHODS OF PREPARING FLUORINATED CARBOXYLIC ACIDS AND THEIR SALTS - A method for preparing fluorinated carboxylic acids and theirs salts is described comprising subjecting a fluorinated alcohol of the general formula (A): A-CH | 07-19-2012 |
| 20120190807 | AQUEOUS EMULSION POLYMERIZATION PROCESS FOR PRODUCING FLUOROPOLYMERS - A method of making a fluoropolymer in the presence of a fluorinated surfactant. | 07-26-2012 |
| 20120245384 | METHOD OF PREPARING HIGHLY FLUORINATED CARBOXYLIC ACIDS AND THEIR SALTS - A method for preparing highly fluorinated carboxylic acids and theirs salts and the precursors thereof. | 09-27-2012 |
| 20130090441 | POLYMERIZABLE COMPOSITIONS FREE OF ORGANIC EMULSIFIER AND POLYMERS AND METHODS OF MAKING THEREOF - Described herein is a polymerizable composition substantially free of an organic emulsifier, methods of making, and articles thereof. The polymerizable composition comprises: a continuous phase; a polymerizable monomer; an initiator; and inorganic nanoparticles, wherein the inorganic nanoparticles are substantially free of groups that will copolymerize with the polymerizable monomer. | 04-11-2013 |
| 20130172477 | HIGH MELTING PTFE POLYMERS FOR MELT-PROCESSING - Provided are a tetrafluoroethylene copolymers having a melting point of at least 317° C., a melt flow index (MFI) at 372° C. and a 5 kg load (MFI 372/5) of from about 0.60 g/10 min up to about 15 g/10 min. Also provided are methods of forming a shaped article using the copolymers described above, shaped articles made with those copolymers and compositions containing such copolymers. | 07-04-2013 |
| 20130197281 | PROCESS FOR MANUFACTURING PERFLUOROOLEFINS BY PYROLYSIS OF PERFLUOROCARBONS IN THE PRESENCE OF HYDROGEN - A process is described of pyrolyzing at least one perfluorinated hydrocarbon, or a material containing at least one perfluorinated hydrocarbon, in the presence of hydrogen, to yield a reaction mixture containing difluorocarbene. | 08-01-2013 |
| 20130231494 | METHOD OF MAKING FLUORINATED ALKOXY CARBOXYLIC ACIDS AND PRECURSORS THEREOF - Provided are saturated partially fluorinated alkoxy carboxylic acids or salts thereof and methods of preparation. | 09-05-2013 |
| 20130281607 | FLUOROPOLYMER COMPOSITIONS AND PURIFICATION METHODS THEREOF - Described herein is a composition comprising an aqueous polymerization reaction product of fluorinated monomers and wherein the polymerization is initiated (i) in the absence of a fluorinated emulsifier and whereby no fluorinated emulsifier is added during polymerization or (ii) in the presence of an fluorinated emulsifier selected from: [R | 10-24-2013 |
| 20130344341 | FLUOROPOLYMER COATED ARTICLES - Provided is an article comprising a bearing, wherein the bearing has disposed upon it a fluoropolymer composition. The fluoropolymer composition comprises a fluoropolymer and a pH-dependent surfactant. | 12-26-2013 |
| 20140094564 | ARTICLE PREPARED FROM CLEAN FLUOROPOLYMERS - There is provided an article prepared from a fluoroelastomer, the fluoroelastomer being derived from an emulsion, the emulsion comprising a fluorinated emulsifier represented by the formula F—(CF | 04-03-2014 |
| 20140114024 | AZIDE-CONTAINING FLUOROPOLYMERS AND THEIR PREPARATION - Fluoropolymers containing one or more azide group wherein the azide group is not a sulfonyl-azide group and processes of preparing them. | 04-24-2014 |
