"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
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| Number | Title | Issue Date |
| 8071489 | Amphoteric fluorochemicals for paper A method of imparting oil repellency to flexible, fibrous, nonwoven substrates comprising contacting the substrate with an amphoteric fluorochemical copolymer composition prepared from polymerization of monomers in the following percentages by weight: (a) from about... | 12/06/2011 |
| 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 |
| 8049040 | Ethylene-tetrafluoroethylene phosphate composition Fluorophosphate containing an ethylene-tetrafluoroethylene moiety of formula (I) or (II): (A)w-P(O)(O−M+)3-w (I) or wherein A ... | 11/01/2011 |
| 8048953 | Fluororpolymer compositions and treated substrates A polymer having at least one urea linkage prepared by: (i) reacting (a) at least one diisocyanate, polyisocyanate, or mixture thereof, having isocyanate groups, and (b) at least one fluorinated compound selected from the formula (I): Rf(CH... | 11/01/2011 |
| 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 |
| 8026289 | Fluorinated polyoxyalkylene glycol diamide surfactants A fluorinated polyoxyalkylene glycol diamide surfactant of formula 1 B—X—COCH2O—[—CpH2pO—]n—CH2CO—X—Ra (1) wherein B is M or... | 09/27/2011 |
| 8022238 | Phosphate surfactants A compound of Formula 1 Rf-A-OP(O)(O−M+)(OROH) Formula 1 wherein Rf is a C2 to C6 linear or branched perfluoroalkyl optionally interrupted... | 09/20/2011 |
| 8022107 | Fluorinated polyoxyalkylene glycol diester surfactants A fluorinated polyoxyalkylene glycol diester surfactant of formula 1 B—X—COCH2O—[—CpH2pO—]n—CH2CO—X—Ra (1) wherein B is M or... | 09/20/2011 |
| 7989568 | Fluorosulfonates A process comprising polymerizing in an aqueous medium at least one fluorinated olefin monomer other than vinylidene fluoride in the presence of a compound of formula (1): Rf(CH2CF2)m—(CH2)n | 08/02/2011 |
| 7977426 | Fluoroalkyl ether sulfonate surfactants A compound of Formula (1) Rf—O—(CXX′)m—(CY2)nSO3M (1) wherein Rf is a C1 to C4 linear or branched perfluoroalk... | 07/12/2011 |
| 7968669 | Fluoropolymer compositions and treated substrates A polymer having at least one carbamate linkage prepared by: (i) reacting (a) at least one diisocyanate, polyisocyanate, or mixture thereof, and (b) at least one fluorinated compound selected from the formula (I): Rf(CH2)x[... | 06/28/2011 |
| 7956124 | Polyfluoroether based polymers A composition which provides surface effects to substrates comprising a polymer containing at least one urea linkage prepared by (i) reacting (1) at least one organic diioscyanate, polyisocyanate, or mixture thereof, and (2) at lea... | 06/07/2011 |
| 7951983 | Catalyzed olefin insertion A process for the insertion of a fluorinated olefin into a fluorinated iodide in the presence of a nickel catalyst at a temperature of a maximum of 150° C. with an initial rate of 0.04 mole/hour without loss of selectivity is disclosed. ... | 05/31/2011 |
| 7951975 | Fluoroalkyl phosphate compositions A composition comprising a compound of formula (I) or (II): wherein r and q are independently integers of 1 to 3; Rf is linear or branched chain perfluoroalkyl ... | 05/31/2011 |
| 7943567 | Production processes and systems, compositions, surfactants, monomer units, metal complexes, phosphate esters, glycols, aqueous film forming foams, and foam stabilizers Production processes and systems are provided that include reacting halogenated compounds, dehalogenating compounds, reacting alcohol's, reacting olefins and a saturated compounds, reacting reactants having at least two —CF3 groups with reactants having... | 05/17/2011 |
| 7888538 | Catalyzed olefin insertion A process for the insertion of a partially fluorinated olefin into a fluorinated iodide in the presence of a nickel catalyst at a temperature of a maximum of 150° C. with an initial rate of 0.01 mole/hour without loss of selectivity is disclosed, as well as use of ... | 02/15/2011 |
| 7829477 | Fluorinated water soluble copolymers A method of providing water repellency, oil repellency, soil resistance, soil release, stain resistance and stain release to substrates comprising contacting said substrate with a composition comprising a copolymer having repeating units of Formula 1 in any sequence... | 11/09/2010 |
| 7816005 | Copolymers for stain resistance A method for imparting resistance to staining to a substrate comprising contacting the substrate with a copolymer comprising the monomers of Formula wherein D is at least one vinyl monomer... | 10/19/2010 |
| 7815816 | Polyfluoroether-based phosphates A composition comprising one or more compounds of formula (I) or (II): wherein: Rf is a linear or branched perfluoroalkyl having 1 to 7 carbon atoms, optionally interrupted by o... | 10/19/2010 |
| 7754838 | Poly(meth)acrylamides and poly(meth)acrylates containing fluorinated amide A composition comprising a copolymer having repeating units in any sequence of Formula I wherein Rf is a straight or branched perfluoroalkyl group having from about 1 to about 2... | 07/13/2010 |
| 7754092 | Soil resist additive A composition comprising a mixture of at least one soil resist agent and at least one additive which is maleic anhydride, and a method of providing soil resistance to fibrous substrates are disclosed. ... | 07/13/2010 |
| 7740913 | Copolymers for stain resistance A method for imparting resistance to staining to a substrate comprising contacting the substrate with a copolymer comprising the monomers of Formula wherein D is at least one vinyl monomer... | 06/22/2010 |
| 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 |
| 7674928 | Polyfluoroether-based phosphates A composition comprising one or more compounds of formula (I) or (II): wherein: Rf is a linear or branched perfluoroalkyl having 1 to 7 carbon atoms, optionally interrupted by o... | 03/09/2010 |
| 7652112 | Polymeric extenders for surface effects A polymer extender composition comprising monomers copolymerized in the following percentages by weight: (a) from about 5% to about 90% of a monomer of the formula I: R1—OC(O)—C(R)═CH2 (I) (b) fro... | 01/26/2010 |
| 7638650 | Fluoroalkyl surfactants A compound of formula (I): wherein k is 1 or 2; Y is —CH2CH(CF3)2 or —(CH2)nCF; X is hydrogen, —(CH... | 12/29/2009 |
| 7638589 | Triazole-containing fluorocarbon-grafted polysiloxanes A polymer for imparting repellency and stain resistance to substrates is disclosed of Formula 1: (W)a(R2)bSi(R1)2—O—[Si(R1)2—O]n—[Si(W)c(R1 | 12/29/2009 |
| 7592489 | Anionic/cationic masonry sealing systems A composition comprising a mixture, having a maximum molar ratio of acid to base of 0.6 and providing water repellency when applied to a substrate surface without etching of said surface, of A) an anionic aqueous fluoroalkyl phosphate solution which provides at leas... | 09/22/2009 |
| 7592064 | Highly repellent carpet protectants Carpet protectants comprising an aqueous dispersion comprising A. a partially fluorinated urethane polymer having at least one urea linkage, which compound is the product of the reaction of: (1) at least one organic polyisocyanate ... | 09/22/2009 |
| 7572942 | Synthesis of carbon-labeled perfluoroalkyl compounds Various 13C and 14C carbon labeled compounds Rf—bCF(U)y(T)z Formula 1A or Rf—bCF2bCF(U)y(T)z Formula... | 08/11/2009 |
| 7553985 | Fluorinated surfactants A composition of formula I [Rf(CH2)m(O)n]x-A wherein Rf is a straight or branched perfluoroalkyl group having from about 2 to about 20 carbon atoms, or a mixture thereof, m is a posit... | 06/30/2009 |
| 7550199 | Copolymers for stain resistance A method for imparting resistance to staining to a substrate comprising contacting the substrate with a copolymer comprising the monomers of Formula wherein D is at least one vinyl monomer... | 06/23/2009 |
| 7476325 | Treatment of recreational water An oxidizing agent comprising a pre-measured amount of stabilized potassium hydrogen peroxymonosulfate and a buffer in a sealed water-soluble pouch, said pouch comprising a hydrolyzed copolymer of vinyl acetate and at least one of acrylic acid, methacrylic acid, mal... | 01/13/2009 |
| 7470745 | Perfluoroether based polymers A composition which provides surface effects to substrates comprising a polymer containing at least one urea linkage prepared by (i) reacting (1) at least one organic diioscyanate, polyisocyanate, or mixture thereof, and (2) at lea... | 12/30/2008 |
| 7470818 | Fluoroalkyl phosphate compositions A composition comprising a compound of formula (I) or (II): wherein r and q are independently integers of 1 to 3; Rf is linear or branched chain perfluoroalkyl ... | 12/30/2008 |
| 7052764 | Shaped articles comprising poly[(trimethylene-co-dianhydrosugar ester) dicarboxylate] or poly(trimethylene-co-dianhydro-dicarboxylate with improved stability A shaped article comprising poly[(trimethylene-co-dianhydrosugar ester) dicarboxylate] or poly(trimethylene-co-dianhydro-dicarboxylate having improved stability in the form of less change of Tg and reduced shrinkage upon storage at elevated temperature is disclosed.... | 05/30/2006 |
| 6998079 | Process of making partially oriented poly(trimethylene terephthalate) yarn A stable partially oriented poly(trimethylene terephthalate) yarn suitable for use in subsequent drawing and/or draw-texturing operations characterized by an elongation to break of at least 110%, and a process for false-twist texturing a partially oriented poly(trim... | 02/14/2006 |
| 6951954 | Continuous process for producing bis(3-hydroxypropyl) terephthalate A process for the continuous production of at least one of bis(3-hydroxypropyl) terephthalate and low molecular weight oligomers of 1,3-propanediol and terephthalic acid is disclosed. According to the process, preheated 1,3-propanediol (about 150° C. to about 200°... | 10/04/2005 |
| 5196569 | Functionalized trifluorovinyl ethers and polymers therefrom Trifluorovinyl ethers containing selected functional groups, and homo- and copolymers prepared from them, are disclosed, as well as intermediates useful in the preparation of the ethers.... | 03/23/1993 |
| 5196604 | Fluorinated poly(ether sulfones) Polymers comprising fluorine-containing poly(ether sulfones) and monomers comprising aromatic fluorine-containing sulfones used in the preparation of these polymers.... | 03/23/1993 |