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| Number | Title | Issue Date |
| 7439297 | Foamable fluoropolymers compositions without using foaming agents A composition comprising: A) 50-99.9% by weight of at least a copolymer (1) of ethylene (E) with chlorotrifluoroethylene (CTFE) wherein CTFE is comprised between 53 and 70% by moles, having a crystallinity in the range 5-45%; B) 0.1-50% by ... | 10/21/2008 |
| 7408006 | Perfluoroelastomeric compositions A crosslinking system of perfuoroelastomers curable by peroxidic way comprising: as crosslinking agent, a bis-olefin having general formula: ... | 08/05/2008 |
| 7405296 | Additives for fluorinated oils Compounds of formula wherein Rf is a (per)fluoropolyoxyalkylene chain having a number average molecular weight in the range 500-10,000; W1, W2 | 07/29/2008 |
| 7399791 | Fluorinated membranes Ionomeric membranes comprising (per)fluorinated, se-micrystalline or amorphous, ionomeric polymers, having equivalent weight (EW) from 380 g/eq to 1,800 g/eq, which used in fuel cells, under the following conditions: membrane thick... | 07/15/2008 |
| 7399735 | Perfluoropolyether additives Compounds formed of (per)fluoropolyether chains and end groups having a pyridine structure, with structural formula: T1-CW1—O—Rf—CW2-T2  (I) wherein T1, T | 07/15/2008 |
| 7393906 | Perfluorinated polymers Amorphous perfluorinated homopolymers and copolymers of perfluorodioxoles of formula (IA): wherein R′F is equal to RF or ORF wherein RF is a linear or branched perfluoroalkyl ra... | 07/01/2008 |
| 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 |
| 7388646 | Perfluoropolyethers Use in optical systems as liquids to transmit light at wave lengths lower than 250 nm, in particular at 157 nm, of perfluoropolyethers having the following formula: X1—O(CF2O)n(CF2CF2O)m(C... | 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 |
| 7371900 | Peroxidic perfluoropolyethers Peroxidic perfluoropolyethers having formula: X1—O(CF2O)n1(CF2CF2O)m1(CF2(CF2)zCF2O)p1(O)h—X2  (I) | 05/13/2008 |
| 7365229 | Peroxidic perfluoropolyethers Peroxidic perfluoropolyethers having formula: X1—O(CF2O)n1(CF2CF2O)m1(CF2(CF2)zCF2O)p1(O)h—X2   (I) | 04/29/2008 |
| 7358405 | Dehalogenation process A process for obtaining vinyl compounds by dehalogenation of halofluorinated compounds with aromatic substituents, having formula: T-Ar—(O)y—CFX′—CF2X″  (I) wherein: X′=F, C... | 04/15/2008 |
| 7321062 | 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: F—A—(RF)t—B—C(O)X1  (I) wherein: X1=F, CF3; t=... | 01/22/2008 |
| 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 |
| 7306747 | Use of fluorinated additives in the etching or polishing of integrated circuits Use in etching or polishing of integrated circuits of fluorinated additives of formula (I): T′(C3F6O)n(CFXO)mT   (I) having a number average molecular weight in the range 250â... | 12/11/2007 |
| 7297744 | Process for preparing fluoropolymer dispersions A process for preparing fluoropolymer dispersions, substantially free from anionic fluorinated surfactants, and with a coagulum amount | 11/20/2007 |
| 7294276 | Process for preparing fluoropolymer dispersions A process to substantially remove the fluorinated anionic surfactants from fluoropolymer dispersions comprising the following steps: a) addition to the fluoropolymer dispersion of an anionic polyelectrolyte; b) con... | 11/13/2007 |
| 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 |
| 7282267 | Multilayers of fluoropolymers with chlorinated polyvinylchloride Multilayers comprising at least one laminate formed in sequence by the following layers: A) one thermoprocessable fluoropolymer layer comprising units deriving from vinylidenfluoride (VDF); B) one polyamide layer blended with 0.01%-5% by we... | 10/16/2007 |
| 7262226 | CTFE-based thermoprocessable compositions A thermoprocessable polymeric composition formed by ethylene/chlorotrifluoroethylene copolymers containing from 0.5 to 20% by moles of ethylene, optionally in combination with the chlorotrifluoroethylene homopolymer, wherein the composition contains in total from 90... | 08/28/2007 |
| 7252740 | (per) fluoropolyether carboxylic acids and use thereof for the oleo-repellent paper sizing Carboxylic acids comprising perfluoropolyether chains, of formula: T1—CFW1—O—Rf—CFW2—T2  (I) wherein T1, T2, equal to or different from each other, are sel... | 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 |
| 7229503 | Treatment of glass substrata with (per) fluoropolyether compounds Use in the treatment of glass substrata of mono- and bi-functional (per)fluoropolyether compounds having the following structures: Rf—CFY-L-W  (I) W-L-YFC—O—Rf—CFY-L-W  (II) wherein: L ... | 06/12/2007 |
| 7217742 | Sulphonic fluorinated ionomers Sulphonic fluorinated ionomers crosslinked by radical crosslinking of: A) crosslinkable sulphonic fluorinated ionomers, having equivalent weight 380–1300 g/eq and comprising: from 48% to 85% by moles of monomeric units deriving from tetrafluoroethylen... | 05/15/2007 |
| 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 |
| 7199199 | Perfluorinated polymers Amorphous perfluorinated homopolymers and copolymers of perfluorodioxoles of formula (IA): wherein R′F is equal to RF or ORF wherein RF is a linear or branched perfluor... | 04/03/2007 |
| 7189408 | Cosmetic compositions Base compositions (premix) comprising the following components: A) a perfluoropolyether phosphate; B) a solvent; C) water. ... | 03/13/2007 |
| 7186787 | Linear perfluoropolyethers having an improved thermooxidative stability Linear perfluoropolyethers of formula: T-O(CF2O)n(CF2CF2O)m(CF2CF2CF2O)r(CF2CF2CF2CF2O)s-T1... | 03/06/2007 |
| 7012109 | Fluoropolymer dispersions Mixtures of fluoropolymer dispersion, wherein: a) a dispersion is formed by TFE (co)polymers with average particle sizes in the range 180–400 nm; b) another dispersion selected from: ... | 03/14/2006 |
| 7011696 | Elimination process of fluorinated anionic surfactants An elimination process of fluorinated anionic sufactants from exhausted gaseous streams, wherein the gaseous stream is put into contact with aqueous solutions having in the range from 3.5 to 13.8, the aqueous solution density being lower than 1.05 g/cm3, ... | 03/14/2006 |
| 6998506 | Process for preparing acylfluorides A process for preparing acylfluorides by reaction of carbonyl fluoride COF2 with compounds having general formula: T=CR1R2  (I) wherein: T is O or CF2 ... | 02/14/2006 |
| 6858757 | Process for preparing perfluoropolyoxyalkylenes with -OCF2H, -OCF2CF2H and -OCF(CF3)H end groups A process for preparing perfluoropolyoxyalkylenes having —OCF2H, —OCF2CF2H and —OCF(CF3)H end groups and a number average molecular weight from 120 to 3,000, by decarboxylation of the corresponding perfluoropolyoxyal... | 02/22/2005 |
