| 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 |
| 20100047585 | PROCESS FOR REMOVING FLUORINATED EMULSIFIER FROM FLUOROPOLYMER DISPERSIONS USING AN ION-EXCHANGE RESIN AND DISPERSIONS OBTAINED THEREFROM - The present invention provides a process for reducing the amount of fluorinated emulsifier in fluoropolymer dispersions by contacting the fluoropolymer dispersion with an anion exchange resin in the presence of amphoteric surfactants or anionic surfactants of low molecular weight and provides fluoropolymer dispersions containing low amounts of fluorinated emulsifier and no or only low amounts of non-ionic surfactants. | 02-25-2010 |
| 20100113679 | METHOD OF MAKING FLUOROPOLYMER DISPERSION - A method of making a fluoropolymer dispersion by first providing a fluoropolymer dispersion comprising fluoropolymer particles and one or more fluorinated surfactants selected from fluorinated carboxylic acids or salts thereof having the general formula: | 05-06-2010 |
| 20100121012 | Melt-Processible Fluoropolymers Having Long-Chain Branches, Methods of Preparing Them and Uses Thereof - The present disclosure describes fluoropolymers having long chain branches and methods of making these fluoropolymers. These fluoropolymers may have improved melt processing properties. Shaped articles containing these fluoropolymers are also provided. | 05-13-2010 |
| 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 |
| 20100197963 | FLUORINATED OXY-CARBOXYLIC ACIDS, DERIVATIVES, AND METHODS OF PREPARATION - Provided are fluorinated oxy-carboxylic acids, derivatives of oxy-carboxylic acids, and methods of preparing oxy-carboxylic acids and derivatives thereof. | 08-05-2010 |
| 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 |
| 20100292362 | Dental Composition Containing a Surfactant and an F-Containing Compound, Process of Production and Use Thereof - The invention relates to a curable dental composition comprising a) a curable organopolysiloxane polymer, b) a crosslinker compound capable of crosslinking said organopolysiloxane polymer, c) a catalyst capable of catalyzing a crosslinking reaction of component (A) and component (B), d) a surfactant, e) a F-containing compound, wherein the F-containing compound has the following formula: (G1-L1-O)s-Rfa-O-L2-G2 wherein: G1 and G2 each independently represents a non-ionic endgroup that is free of polyoxyalkylene groups or contains polyoxyalkylene such that the total amount thereof in the F-containing compound is not more than 10% by weight based on the molecular weight of the F-containing compound; L1 and L2 each independently represents an aliphatic hydrocarbon group or a partially or fully fluorinated aliphatic hydrocarbon group; Rfa represents a mono-valent or divalent partially or fully fluorinated aliphatic group or a partially or fully fluorinated aliphatic group interrupted by one or more oxygen atoms; with the proviso that at least one of the following conditions is fulfilled: (i) at least one of the moieties L1-G1 and L2-G2 is partially or fully fluorinated or (ii) Rf is a partially or fully fluorinated aliphatic group interrupted by one or more oxygen atoms. The invention also relates to a kit of parts and a method of producing a dental composition as well as the use of the dental composition for the preparation of or as impression material or for the preparation of crowns and bridges. | 11-18-2010 |
| 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 |
| 20110040021 | METHODS FOR MELT-PROCESSING THERMOPLASTIC FLUOROPOLYMERS - A method comprising melt-processing a first composition. The first composition comprises a first fluoropolymer having a relaxation exponent of from 0.93 to 1.0 and a second fluoropolymer having a relaxation exponent of from 0.30 to 0.92. A method comprising melt-processing a first composition, wherein the first composition comprises a first fluoropolymer having an LCBI of from 0 to 0.1 and a second fluoropolymer having an LCBI of at least 0.2. A method comprising melt-processing a first composition, wherein the first composition comprises a core-shell polymer having a first fluoropolymer portion and a second fluoropolymer portion. The extrusion products have a lower width homogeneity index value than observed in state of the art fluo-ropolymers. | 02-17-2011 |
| 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 |
| 20110245520 | METHOD OF MAKING FLUORINATED ALKOXY CARBOXYLIC ACIDS AND PRECURSORS THEREOF - A method for preparing saturated partially fluorinated alkoxy carboxylic acids or salts thereof by treating a compound: (II), where R | 10-06-2011 |
| 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 |
| 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 |
| 20120252949 | METHOD OF MAKING FLUOROPOLYMER DISPERSION - A method of making a fluoropolymer dispersion by first providing a fluoropolymer dispersion comprising fluoropolymer particles and one or more fluorinated surfactants selected from fluorinated carboxylic acids or salts thereof having the general formula: | 10-04-2012 |
| 20130040142 | PROCESS FOR PRODUCING PTFE AND ARTICLES THEREOF - Described herein is a process for making PTFE having a standard specific gravity of less than 2.160 g/cm | 02-14-2013 |
| 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 |
| 20130129954 | PEROXIDE CURABLE FLUOROELASTOMERS CONTAINING MODIFIERS AND IODINE OR BROMINE ENDGROUPS - Provided are curable fluoroelastomers. Further provided are methods of making the curable elastomers, curable fluoroelastomer compositions and methods of making them and shaped articles made from the curable fluoroelastomer compositions. | 05-23-2013 |
| 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 |
| 20140141357 | LOW EQUIVALENT WEIGHT POLYMERS - Described herein is a composition comprising: a polymer derived from (a) a fluorinated olefin monomer; (b) a highly fluorinated sulfur-containing monomer of the formula: CX | 05-22-2014 |
