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| Number | Title | Issue Date |
| 8173848 | Fluorinated alcohols A compound comprising Formula 5 RfOCFHCF2O(CH2CH2O)v—H Formula 5 wherein Rf is CcF(2c+1); c is 2 to... | 05/08/2012 |
| 8053606 | Alkoxylation of fluorinated alcohols A fluorinated alkylalkoxylate, and a process for its preparation in which at least one fluorinated alcohol is contacted with at least one alkylene epoxide in the presence of a catalyst system comprising an alkali metal borohydride, and an organic quaternary salt. | 11/08/2011 |
| 8039677 | Fluoroalkylalkoxylates The present invention provides a fluorinated alkylalkoxylate of Formula (1) Rf—(CH2CF2)n(CH2)m—(CH2CH2O)p—XH (1) wherein Rf i... | 10/18/2011 |
| 7737307 | Fluorinated nonionic surfactants A compound comprising Formula I, or a mixture thereof, Rf—OCFHCF2O—[CH2CH2O]x—[C3H7O]y-A Formula I wherein R | 06/15/2010 |
| 7488852 | PFPEs having at least an alkylether end group and respective preparation process Processes for the preparation of perfluoropolyethers having structural formula R1O—(CF2O)n—(CF2CF2O)mR2 (I) wherein: R1 is —CH3 | 02/10/2009 |
| 7465837 | Fluorinated vinyl ethers, copolymers thereof, and use in lithographic photoresist compositions Fluorinated vinyl ethers are provided having the structure of formula (I) the structure of formula (I) wherein at least one of X and Y is a fluorine atom, and L, R1, R2, R3, R4 ar... | 12/16/2008 |
| 7408019 | Fluorinated ether compound A novel fluorinated ether compound useful as an inert medium is provided. The compound is represented by the following formula (1) such as the compound represented by the following formula (1a) or the compound represented by the following formula (1b): | 08/05/2008 |
| 7393961 | Polyhalogenated ethers (Per)haloethers having formula: X-(Rf)L-O—CF2CF2—O—CX1X2—CFX3X4 , (I) process for obtaining them and hypofluorites usable in the synthesis of said (per)hal... | 07/01/2008 |
| 7388114 | Perfluoropolyether derivative A novel perfluoropolyether derivative which is less likely to undergo decomposition, which is free from a problem of deterioration during its use, and which is useful as a lubricating oil or a coating agent, is provided. A compound represented by the followin... | 06/17/2008 |
| 7375253 | Process for the preparation of (per)fluorinated mono-functional carbonyl compounds A process for the synthesis of (per)fluorinated mono-functional carbonyl compounds having the following formula (I): F-A-RF—B—C(O)X1 (I) wherein: X1=F, CF3; A, B equal to or... | 05/20/2008 |
| 7319173 | Process for preparing fluorohalogenethers A process for preparing (per)fluorohalogenethers having general formula: wherein: A and A′, equal to our different from each other, are selected among Cl, Br, H; m=1, 2; n=0, 1; R1 is a flu... | 01/15/2008 |
| 7314853 | Cleaning solution for photoresist and method for forming pattern using the same Disclosed herein are photoresist cleaning solutions useful for cleaning a semiconductor substrate in the last step of a developing step when photoresist patterns are formed. Also disclosed herein are methods for forming photoresist patterns using the solutions. The ... | 01/01/2008 |
| 7288682 | Separation of bifunctional perfluoropolyethers (PFPEs) having -CHOH termination from their mixtures with -CHOH monofunctional PFPEs A process for separating bifunctional perfluoropolyethers (PFPEs) having two terminations —CH2OH from their mixtures with monofunctional PFPEs with one termination —CH2OH, of general formula X1—O—Rf—Y (I) | 10/30/2007 |
| 7252886 | Curable composition and process for producing cured fluorinated product To provide a curable composition which gives a cured fluorinated product excellent in transparency, light resistance (particularly against a short wavelength light having a wavelength of from 200 to 500 nm) and heat resistance, and having a controlled volume particu... | 08/07/2007 |
| 7253240 | Explosion-free process for the production of polytetrafluoroethylene Use of non-water-soluble organic fluorinated compounds, which are gaseous under the polymerization conditions and act as chain transfer agent in the gas phase, as explosion suppressors in the emulsion polymerization of tetrafluoroethylene. ... | 08/07/2007 |
| 7247737 | Perfluoropolyethers comprising repeating units obtained from oxidation of perfluorodioxoles Perfluoropolyethers obtained by oxidation of perfluorodioxoles of formula (I) wherein Rf=—F, —(O)yCnF2n+1 with y=0, 1 and n=1, 2, 3, 4, 5, and with W=—F, —C | 07/24/2007 |
| 7232932 | Thermally stable perfluoropolyethers and processes therefor and therewith A perfluoropolyether, a composition comprising the perfluoropolyether, a process for producing the perfluoropolyether, and a process for improving the thermostability of grease or lubricant are provided. The perfluoropolyether comprises perfluoroalkyl radical end gr... | 06/19/2007 |
| 7230140 | Perfluoropolyether derivative A novel perfluoropolyether derivative which is less likely to undergo decomposition, which is free from a problem of deterioration during its use, and which is useful as a lubricating oil or a coating agent, is provided. A compound represented by the followin... | 06/12/2007 |
| 7214833 | Process for preparing perfluoropolyethers A process to obtain perfluoropolyethers comprising: a) synthesis of peroxidic perfluoropolyethers by one of the following reactions: al) TFE photooxidation, in solvents selected between perfluorocarbons and (mono)h... | 05/08/2007 |
| 7208638 | Process for preparing fluorohalogenethers A process for preparing (per)fluorohalogenethers having general formula: wherein: A and A′, equal to or different from each other, are selected among Cl, Br and H; m=1, 2; n=0... | 04/24/2007 |
| 7193119 | Process for producing fluorinated alkyl ether To provide a process for producing a fluorinated alkyl ether, whereby a sufficient reaction rate can be attained even under mild reaction conditions, and a post-process such as distillation after the reaction can be efficiently carried out. A process for prod... | 03/20/2007 |
| 7186273 | Treatment of textiles with fluorinated polyethers A polymer adapted for the Shrink resist treatment of textile materials imparting water, stain and/or oil repellency. The polymer includes a fluorinated polyether. ... | 03/06/2007 |
| 7176331 | Method of making fluorinated vinyl ethers The present application provides a process to produce fluorinated vinyl ether by reacting a 2-alkoxypropionyl fluoride with a metal carbonate under anhydrous conditions in a stirred bed reactor at a temperature above the decarboxylation temperature of an intermediat... | 02/13/2007 |
| 7161030 | Hydrofluoroethers having at least one hydrogenated-OCFX'CHend group wherein X′=F, CF and their preparation process Hydrofluoroethers of formula: T-CFX′—O—Rf—CFX-T′ (II) wherein: T=CH3; X, X′, equal to or different from each other, are selected between F, CF3;... | 01/09/2007 |
| 7160967 | Fluorovinyl ethers and polymers obtainable therefrom Fluorovinyl ethers having the formula CFX═CXOCF2OR, wherein R is a C2–C6 linear, branched or C5–C6 cyclic (per)fluoroalkyl group, or a C2–C6 linear, branched (per)fluoro oxyalkyl gr... | 01/09/2007 |
| 7148385 | Perfluoropolyether primary bromides and lodides A perfluoropolyether and a composition comprising the perfluoropolyether are provided in which the perfluoropolyether comprises at least one bromine or iodine atom at the primary position of the perfluoropolyether. Also provided is a process for producing the compos... | 12/12/2006 |
| 7141704 | Process for preparing hydrofluoroethers Process for obtaining hydrofluoroethers of formula (I): A-(Rf)n0—CF(Rf1)—O—Rh (I) wherein a mono- or bifunctional carbonyl compound of formula (IV): B—Rf—C(O)Rf1... | 11/28/2006 |
| 7132574 | Preparation of perfluoropolyethers having at least one —CHOH or —CH(CF)OH end group A process for preparing perfluoropolyethers having at least one —CH2OH or —CH(CF3)OH end group by reaction of the corresponding pefluoropolyethers having at least one carboxylic —COOH or ketonic —(CF3)C═O end group with gas... | 11/07/2006 |
| 7125834 | Functional substances derived from oligoolefins having functional groups at the ends This invention provides the following: an amphiphilic functional substance with lipophilicity, affinity for supercritical CO2, and if necessary hydrophilicity comprising an oligoolefin chain and a perfluoroalkyl group(s) at a single end thereof or at both... | 10/24/2006 |
| 7115783 | PFPEs having at least an alkylether end group and respective preparation process Perfluoropolyethers having structural formula R1O—(CF2O)n—(CF2CF2O)mR2 (I) wherein: R1 is —CH3 or —C2H5 | 10/03/2006 |
| 7094851 | Low equivalent weight ionomer An ionomer and a process for forming the ionomer such that the ionomer has (1) low equivalent weight (below 950, preferably between 625 and 850, and most preferably between 675 and 800) and (2) high conductivity (greater than 0.13 S/cm). In another embodiment, the i... | 08/22/2006 |
| 7078445 | Photosensitive acrylate composition and waveguide device A photosensitive composition suitable for practical waveguide devices is provided. The photosensitive composition comprises at least one multifunctional acrylate prepared from a fluorinated multifunctional alcohol and at least one photoinitiator. The said compositio... | 07/18/2006 |
| 7079304 | Structured fluid compositions for electrophoretically frustrated total internal reflection displays A structured fluid composition comprising: (a) a low refractive index liquid; (b) particles including light absorbing charged particles such as pigments, non-light absorbing uncharged particles such as teflon, sili... | 07/18/2006 |
| 7064170 | Emulsifier free aqueous emulsion polymerization to produce copolymers of a fluorinated olefin and hydrocarbon olefin Provided is a process for making a copolymer of fluorinated olefin and hydrocarbon olefin selected from ethylene, propylene and mixtures thereof, the process comprising a substantially emulsifier free aqueous emulsion polymerization of said fluorinated olefin and sa... | 06/20/2006 |
| 7049380 | Thermoplastic copolymer of tetrafluoroethylene and perfluoromethyl vinyl ether and medical devices employing the copolymer An improved elastomeric material is described comprising an essentially noncross-linkable amorphous copolymer of tetrafluoroethylene (TFE) and perfluoromethyl vinyl ether (PMVE) which is both a thermoplastic and exhibits exceptional mechanical properties. This mater... | 05/23/2006 |
| 7048139 | Corrosion resistant vents with integral filter A vent insert with an integral carbon-to-carbon composite filter element is used to vent enclosures such as drums and convenience cans containing transuranic materials which generate hydrogen. The vent inserts do not utilize adhesive to retain filter elements therei... | 05/23/2006 |
| 7041409 | Low equivalent weight ionomer An ionomer and a process for forming the ionomer such that the ionomer has (1) low equivalent weight; below 950, preferably between 625 and 850, and most preferably between about 700 and about 800; and (2) high conductivity, (greater than 0.15 S/cm). In an alternati... | 05/09/2006 |
| 7038068 | Method for liquid/liquid extraction of molecular weight fractions of perfluorinated polyethers A liquid/liquid extraction method is used for separating a perfluorinated polyether (PFPE) into two molecular-weight distributions using an alcohol or cyclic ether as one solvent and a fluorinated solvent as the other solvent. The more polar alcohol or cyclic ether ... | 05/02/2006 |
| 7026509 | Cyclic phosphazene compounds and use thereof as additives of perfluoropolyether oils Cyclic phosphazene compounds of formula (I): wherein: Q is a cyclic compound of formula: A is an end group of the —OCF2X, —OC2F... | 04/11/2006 |
| 7022428 | Low equivalent weight ionomer An ionomer and a process for forming the ionomer such that the ionomer has (1) low equivalent weight; below 950, preferably between 625 and 850, and most preferably between about 700 and about 800; and (2) high conductivity, (greater than 0.15 S/cm). In an alternati... | 04/04/2006 |
