Halogen Patents (Class 252/182.15)
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Publication number: 20090092556Abstract: Provided are azeotrope-like compositions comprising difluoromethane and trifluoroiodomethane and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.Type: ApplicationFiled: December 15, 2008Publication date: April 9, 2009Applicant: Honeywell International Inc.Inventors: Rajiv R. Singh, Hang T. Pham, David P. Wilson
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Publication number: 20080306175Abstract: The present invention relates to a composition based on trans-1,2-dichloroethylene. A subject-matter of the invention is more particularly a nonflammable composition comprising trans-1,2-dichloroethylene and at least two hydrofluorocarbons and its uses.Type: ApplicationFiled: February 3, 2006Publication date: December 11, 2008Applicant: ARKEMA FRANCEInventors: Laurent Latil, Vincent Enaux
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Publication number: 20080194779Abstract: A process is disclosed for the manufacture of CHClF2 which involves contacting CHCl3, HF and pentavalent antimony catalyst in the liquid phase; passing reactor vapor effluent to a reflux column to produce a reflux column vapor effluent of CHClF2 and HCl; passing the reflux column vapor effluent to a condenser to produce a condenser liquid effluent of CHClF2 and a condenser vapor effluent of CHClF2 and HCl; passing the condenser liquid effluent to the reflux column upper end; and recovering CHClF2 from the condenser vapor effluent.Type: ApplicationFiled: October 15, 2004Publication date: August 14, 2008Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: Mark John Christmas, Yiannis Nicolas Dimitratos
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Publication number: 20080125566Abstract: An initiator for cationic polymerization comprises a salt of a protic acid as well as a protic acid. The molar ratio of protic acid to salt is in the range from 1:0.01 to 1:2000. The initiator is used for example for cationic homo- or copolymerization of trioxane, and permits stable and flexible operation of the polymerization.Type: ApplicationFiled: December 11, 2007Publication date: May 29, 2008Applicant: TICONA GmbHInventors: Michael Hoffmockel, Michael Haubs, Horst Roschert
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Patent number: 7361795Abstract: The invention relates to azeotropic and azeotrope-like mixtures of 1,1,1,3,3-pentafluorobutane (HFC-365) and hydrogen fluoride and a process for separating the azeotrope-like mixtures. The compositions of the invention are useful as an intermediate in the production of HFC-365. The latter is useful as a nontoxic, zero ozone depleting fluorocarbon useful as a solvent, blowing agent, refrigerant, cleaning agent and aerosol to propellant.Type: GrantFiled: October 14, 2003Date of Patent: April 22, 2008Assignee: Honeywell International, Inc.Inventors: Hang T. Pham, Rajiv R. Singh, Hsueh S. Tung
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Publication number: 20080049326Abstract: Optical articles such as ophthalmic lenses containing a thin hydrophobic surface layer of a fluorinated material adsorbed thereon are disclosed.Type: ApplicationFiled: August 24, 2007Publication date: February 28, 2008Inventor: Eric L. Hanson
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Patent number: 7157514Abstract: Golf ball compositions including novel processing aids, e.g., metal salts of unsaturated fatty acids, high styrene resins, transpolyisoprene, and transpolybutadiene, for inclusion in rubber-based compositions that reduce safety risks, mixer down time, increase dispersion of the ingredients during processing, and increase component COR over that of a component formed with a conventional processing aid.Type: GrantFiled: May 12, 2004Date of Patent: January 2, 2007Assignee: Acushnet CompanyInventors: Peter R. Voorheis, Samuel A. Pasqua, Jr.
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Patent number: 7077977Abstract: A discrete polyolefin catalyst activator is disclosed. A salient feature of invention borate-based activators is that at least one of the ligands on the borate non-coordinating anion (NCA) comprises a fluorinated aryl group linked to the boron atom through an acetylenic group appropriate pairing of invention activators with olefin polymerization. Catalyst precursors yield increased catalytic activity. Polymerization results are disclosed.Type: GrantFiled: December 3, 2002Date of Patent: July 18, 2006Assignee: ExxonMobil Chemical Patents Inc.Inventors: George Rodriguez, Francis C. Rix, Matthew C. Kuchta, John F. Walzer, Jr.
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Patent number: 7045558Abstract: A radiation curable composition comprises a heterocyclic acrylate or heterocyclic methacrylate. The composition is curable to make an optical management article such as an optical management coating on a substrate. A method of making an optical management article, comprises forming a radiation curable composition comprising the heterocyclic acrylate or heterocyclic methacrylate on a substrate and curing the composition to form the optical management article.Type: GrantFiled: August 29, 2003Date of Patent: May 16, 2006Assignee: General Electric CompanyInventors: Bret Ja Chisholm, James Edward Pickett
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Patent number: 6923921Abstract: Described are fluorinated polyether compounds having a molecular weight range between 750 g/mol and 4000 g/mol where such polyether compounds are intermediates used in fluorinated compositions for treating various substrates.Type: GrantFiled: December 30, 2002Date of Patent: August 2, 2005Assignee: 3M Innovative Properties CompanyInventors: Richard M. Flynn, Daniel R. Vitcak, Richard S. Buckanin, Cheryl L. S. Elsbernd
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Patent number: 6878310Abstract: A stabilizer composition, suitable for use in polyvinyl chloride compositions, can be formed by reacting a mixture of monoalkyltin trichloride, such as butyltin trichloride, and dialkyltin dichloride, such as dibutyltin dichloride, with at least one carboxylic acid, such as 2-ethylhexanoic acid, and 2-mercaptoethanol, in the presence of base, followed by reaction of the resulting product with a sulfide reagent, such as sodium sulfide. The final composition comprises a complex mixture of alkyl tin carboxylates and/or mercaptides, and of monoalkyltin sulfides and dialkyltin sulfides.Type: GrantFiled: November 27, 2001Date of Patent: April 12, 2005Assignee: Akzo Nobel N.V.Inventor: Henry J. Barda
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Patent number: 6740362Abstract: A method for mixing an organic chemical substance with a carrier solvent, wherein the carrier solvent comprises at least one fluorinated solvent A selected from the group consisting of (perfluorohexyloxy)methane and tridecafluorohexane.Type: GrantFiled: November 13, 2002Date of Patent: May 25, 2004Assignee: Asahi Glass Company, LimitedInventors: Tsuyoshi Hanada, Masaaki Tsuzaki
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Patent number: 6723797Abstract: A crosslinking agent for water-absorbing resins which comprises (A) at least one halohydrin compound selected between (A1) a first halohydrin compound having per molecule at least two halohydrin groups (D) represented by the general formula (I), wherein R1 represents hydrogen or alkyl and X represents chlorine or bromine and (A2) a second halohydrin compound having per molecule at least two halohydrin groups (D) represented by the formula (I) and having per molecule at least one ammonium group (M) represented by the general formula (II), wherein R2's each independently represents a C1-4 hydrocarbon group or benzyl.Type: GrantFiled: June 4, 2002Date of Patent: April 20, 2004Assignee: Nagase Chemtex CorporationInventors: Satoru Fujii, Yoshiyuki Morita, Tetsuya Hosomi, Nobuaki Aoki
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Patent number: 6700006Abstract: Novel compounds derived from traditional semi- drying and non-drying oils featuring internally plasticizing and crosslinkable properties are disclosed and claimed. Preferred embodiments include acrylate or methacrylate esters of hydroxy long-chain olefinic compounds derived from castor oil or lesquerella oil. A process for the preparation of the novel compounds is also disclosed, which involves esterification reaction of ethylenically unsaturated carboxylic acids or its derivatives with substituted hydroxy long-chain olefinic compounds. These compounds are suitable for forming latices, which form films at low minimum film forming temperatures (MFT) ranging from −5 to 10° C. and cure to above ambient glass transition (Tg) polymers without the use of traditional organic cosolvents which contribute to environmental pollution via volatile organic compounds (VOCs) emissions. These latices are therefore useful in waterborne coatings, contact and pressure sensitive adhesives, and inks.Type: GrantFiled: April 10, 2001Date of Patent: March 2, 2004Assignee: University of Southern MississippiInventors: Shelby Freland Thames, Kamlesh Gopichand Panjnani, Rajan Hariharan, Zhiyu Wang
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Patent number: 6673264Abstract: The invention relates to azeotropic and azeotrope-like mixtures of 1,1,1,3,3-pentafluorobutane (HFC-365) and hydrogen fluoride and a process for separating the azeotrope-like mixtures. The compositions of the invention are useful as an intermediate in the production of HFC-365. The latter is useful as a nontoxic, zero ozone depleting fluorocarbon useful as a solvent, blowing agent, refrigerant, cleaning agent and aerosol to propellant.Type: GrantFiled: June 3, 2002Date of Patent: January 6, 2004Assignee: Honeywell International Inc.Inventors: Hang T. Pham, Rajiv R. Singh, Hsueh S. Tung
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Patent number: 6646088Abstract: This invention relates to chemical compositions comprising one or more urethane oligomers of at least two repeating units selected from the group consisting of fluorine-containing urethane oligomers and long-chain hydrocarbon-containing urethane oligomers. These urethane oligomers comprise the reaction product of (a) one or, more polyfunctional isocyanate compounds; (b) one or more polyols; (c) one or more monoalcohols selected from the group consisting of fluorochemical monoalcohols, optionally substituted long-chain hydrocarbon monoalcohols, and mixtures thereof; (d) one or more silanes; and optionally (e) one or more water-solubilizing compounds comprising one or more water-solubilizing groups and at least one isocyanate-reactive hydrogen containing group. The chemical compositions of the present invention can be applied as coatings and these coatings can impart stain-release characteristics and resist being worn-off due to wear and abrasion.Type: GrantFiled: March 26, 2002Date of Patent: November 11, 2003Assignee: 3M Innovative Properties CompanyInventors: Wayne W. Fan, Steven J. Martin, Zai-Ming Qiu, Michael S. Terrazas, Linda G. Coté, Mitchell T. Johnson, Larry A. Lien
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Patent number: 6544595Abstract: A method for mixing an organic chemical substance with a carrier solvent, wherein the carrier solvent comprises at least one fluorinated solvent A selected from the group consisting of (perfluorohexyloxy)methane and tridecafluorohexane.Type: GrantFiled: April 11, 2002Date of Patent: April 8, 2003Assignee: Asahi Glass Company, LimitedInventors: Tsuyoshi Hanada, Masaaki Tsuzaki
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Patent number: 6521685Abstract: Certain thermoplastic additives that induce simultaneous low clarity and high nucleation efficacy are provided. Such additives include combinations of certain bicyclic salts (which by themselves induce very high nucleation efficacy) and certain benzylidene sorbitol acetals and derivatives (hereinafter collectively referred to as “DBSs”)(which alone provide very low haze measurements and thus highly desirable clarity characteristics). In comparison, other types of standard thermoplastic nucleators, such as sodium benzoate and sodium 2,2′-methylene-bis-(4,6-di-tert-butylphenyl)phosphate provide relatively high peak crystallization temperatures, but do not combine synergistically with DBSs to provide the same results as for the inventive combination of bicyclic salts and DBSs.Type: GrantFiled: July 3, 2001Date of Patent: February 18, 2003Assignee: Milliken & CompanyInventor: Xiaodong Edward Zhao
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Publication number: 20020185629Abstract: A crosslinking agent for use in the crosslinking of water absorbing resin particles which comprises at least one halohydrin compound (A) selected from the group consisting of:Type: ApplicationFiled: June 4, 2002Publication date: December 12, 2002Inventors: Satoru Fujii, Yoshiyuki Morita, Tetsuya Hosomi, Nobuaki Aoki
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Patent number: 6452038Abstract: The present invention provides a compound according to the formula: CH2═C(R1)—C(O)—R6—NHCO2(CH2)p(CF2)q—O—((CF2)aCFXO)m(CF2)r—Z wherein each R1 is independently selected from —H, —CH3, —F and —Cl, wherein each R6 is independently selected from substituted or unsubstituted C1-C10 alkyl, cyclic alkyl, or aryl groups, wherein each a is independently selected from 0-3, wherein each X is independently selected from —F, —CF3 or —CF2CF3, wherein each p is independently selected from 1-4, each q is independently selected from 1-5, each r is independently selected from 1-5, each m is independently selected from 1-50, each Z is independently selected from —F and —(CH2)sOH, and each s is independently selected from 1-4. The present invention also provides for the use of this compound as a surfactant in highly fluorinated liquid solvents. Latexes of dispersed particles utilizing this surfactant are provided.Type: GrantFiled: June 28, 2000Date of Patent: September 17, 2002Assignee: 3M Innovative Properties CompanyInventors: Prabhakara Satyauolu Rao, Naiyong Jing
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Patent number: 6384174Abstract: Fluorine-containing diols represented by the following formula are provided: wherein Rf represents a perfluoroalkyl or perfluoroalkenyl group having 1 to 20 carbon atoms; X represents a substituted or unsubstituted alkylene group having 1 to 10 carbon atoms, a substituted or unsubstituted alkenylene group represented by —CH═CH—(CH2)n— in which n is from 1 to 10, or in which n is from 0 to 6; Y represents a direct bond, —O—, —NH—, or —R0—NH— in which R0 is an alkylene group having 1 to 6 carbon atoms; Z represents a direct bond or —N(R′)R— in which R is an alkylene group having 1 to 20 carbon atoms and R′ is a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; R1 and R2 divalent organic groups; and R3 represents a residual group of diisocyanate. These diols are useful for polyurethanes.Type: GrantFiled: March 6, 2001Date of Patent: May 7, 2002Assignees: Dainichiseika Color & Chemicals Mfg. Co., Ltd., Ukima Colour & Chemicals Mfg. Co., Ltd.Inventors: Kazuyuki Hanada, Kazuya Kimura
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Patent number: 6376638Abstract: The present invention relates to a novel latent curing agent which is capable of controlling the initiation reaction stage and is curable by heat and/or UV-light, an epoxy resin composition containing it, and a mixed epoxy composition (blend) having different functional groups. Particularly, it has been found that the epoxy resin composition consisting of an aliphatic type epoxy (CAE) and/or a difunctional bisphenol A type epoxy (DGEBA) has excellent mechanical properties.Type: GrantFiled: October 28, 1999Date of Patent: April 23, 2002Assignee: Korea Research Institute of Chemical TechnologyInventors: Jae-Rock Lee, Soo-Jin Park, Geun Ho Kwak
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Patent number: 6350306Abstract: Use of fluorine containing polymers for the preparation of high dry formulations wherein the fluorine containing polymers are based on fluoropolyethers comprising a fluorine containing part RF and optionally an hydrogenated part RH, the bonds joining the fluorine containing part to the hydrogenated one being an ether —C—O—C—, bond the terminals T being such as to render the structure bi or polyfunctional, making thus possible the cross-linking reaction, the hydrogenated part RH not containing groups capable of linking by means of hydrogen bonds to basic acceptors.Type: GrantFiled: December 12, 1996Date of Patent: February 26, 2002Assignee: Ausimont S.p.A.Inventors: Claudio Tonelli, Stefano Turri, Massimo Scicchitano
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Publication number: 20020007080Abstract: Novel compounds derived from traditional semi-drying and non-drying oils featuring internally plasticizing and crosslinkable properties are disclosed and claimed. Preferred embodiments include acrylate or methacrylate esters of hydroxy long-chain olefinic compounds derived from castor oil or lesquerella oil. A process for the preparation of the novel compounds is also disclosed, which involves esterification reaction of ethylenically unsaturated carboxylic acids or its derivatives with substituted hydroxy long-chain olefinic compounds. These compounds are suitable for forming latices, which form films at low minimum film forming temperatures (MFT) ranging from −5 to 10° C. and cure to above ambient glass transition (Tg) polymers without the use of traditional organic cosolvents which contribute to environmental pollution via volatile organic compounds (VOCs) emissions. These latices are therefore useful in waterborne coatings, contact and pressure sensitive adhesives, and inks.Type: ApplicationFiled: April 10, 2001Publication date: January 17, 2002Applicant: University of Southern MississippiInventors: Shelby Freland Thames, Kamlesh Gopichand Panjnani, Rajan Hariharan, Zhiyu Wang
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Publication number: 20010050351Abstract: The polymerization initiator-containing solution of the first invention is obtained by mixing a specific perfluorodicarboxylic acid fluoride (A) with CsF in an aprotic polar solvent with stirring to conduct reaction and thereby form a polymerization initiator (B) and then allowing the reaction solution to stand for not less than 72 hours at a temperature of 0 to 30° C. The polymerization initiator-containing solution of the second invention comprises a specific polymerization initiator (B′) and an aprotic polar solvent. The process for preparing a perfluoropolyether according to the invention comprises polymerizing hexafluoropropylene oxide in the presence of the polymerization initiator-containing solution.Type: ApplicationFiled: April 30, 2001Publication date: December 13, 2001Applicant: NIPPON MEKTRON, LTD.Inventors: Satoru Saito, Haruyoshi Tatsu, Vera Grinevskaya
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Patent number: 6322721Abstract: Rubber and plastic accelerator formulations of the present invention are directed to formulations containing an accelerator compound comprised of an organic-based quaternary ammonium salt. Preferably, the accelerator compound of the present invention is comprised of a quaternary ammonium salt selected from the group consisting of trimethylbetahydroxyethyl ammonium hydroxide (TMBHEAH), carboxymethyltrimethyl ammonium hydroxide (CMTAH), methylallylbenzylphenol ammonium iodide, benzyltriethyl ammonium chloride, hexadecyltrimethyl ammonium chloride imidazolium compounds. As particularly preferred embodiments, the accelerator formulations are comprised of a choline based compound comprised of trimethylbetahydroxyethyl ammonium hydroxide and/or of a betaine compound comprised of carboxymethyltrimethyl ammonium hydroxide.Type: GrantFiled: August 24, 1998Date of Patent: November 27, 2001Assignee: Technical Processing, Inc.Inventors: Paul R. Yankner, Susan Wright
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Publication number: 20010031883Abstract: Novel compounds derived from traditional semi- drying and non-drying oils featuring internally plasticizing and crosslinkable properties are disclosed and claimed. Preferred embodiments include acrylate or methacrylate esters of hydroxy long-chain olefinic compounds derived from castor oil or lesquerella oil. A process for the preparation of the novel compounds is also disclosed, which involves esterification reaction of ethylenically unsaturated carboxylic acids or its derivatives with substituted hydroxy long-chain olefinic compounds. These compounds are suitable for forming latices, which form films at low minimum film forming temperatures (MFT) ranging from −5 to 10° C. and cure to above ambient glass transition (Tg) polymers without the use of traditional organic cosolvents which contribute to environmental pollution via volatile organic compounds (VOCs) emissions. These latices are therefore useful in waterborne coatings, contact and pressure sensitive adhesives, and inks.Type: ApplicationFiled: April 10, 2001Publication date: October 18, 2001Applicant: The University of Southern MississippiInventors: Shelby Freland Thames, Kamlesh Gopichand Panjnani, Rajan Hariharan, Zhiyu Wang
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Patent number: 6235916Abstract: Novel compounds derived from traditional semi-drying and non-drying oils featuring internally plasticizing and crosslinkable properties are disclosed and claimed. Preferred embodiments include acrylate or methacrylate esters of hydroxy long-chain olefinic compounds derived from castor oil or lesquerella oil. A process for the preparation of the novel compounds is also disclosed, which involves esterification reaction of ethylenically unsaturated carboxylic acids or its derivatives with substituted hydroxy long-chain olefinic compounds. These compounds are suitable for forming latices, which form films at low minimum film forming temperatures (MFT) ranging from −5 to 10° C. and cure to above ambient glass transition (Tg) polymers without the use of traditional organic cosolvents which contribute to environmental pollution via volatile organic compounds (VOCs) emissions. These latices are therefore useful in waterborne coatings, contact and pressure sensitive adhesives, and inks.Type: GrantFiled: December 24, 1996Date of Patent: May 22, 2001Assignee: University of Southern MississippiInventors: Shelby Freland Thames, Kamlesh Gopichand Panjnani, Rajan Hariharan, Zhiyu Wang
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Patent number: 6204309Abstract: Cyanoacrylate adhesive containing a pyrylium salt as a fluorescent dye are useful for bonding various substrates, particularly transparent plastics. The pyrylium salt may be present in relatively large quantities in the adhesive without any adverse effect on the storage stability and adhesive properties, yet shows very little inherent coloration in visible light.Type: GrantFiled: April 23, 1999Date of Patent: March 20, 2001Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Hanns R. Misiak, Heinz C. Nicolaisen, Annette Schroeter, Dagmar Behn
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Patent number: 6203720Abstract: Novel latex or emulsion compositions containing internally plasticizing and crosslinkable monomers derived from traditional semi-drying or non-drying oils are disclosed and claimed. The monomers are ethylenically unsaturated esters of long-chain olefinic compounds. Preferred embodiments include latex formed from acrylate or methacrylate esters of hydroxy fatty acid esters derived from castor oil or lesquerella oil. A process for the synthesis of the latex composition is also disclosed, which involves (a) an esterification reaction of ethylenically unsaturated carboxylic acid or its derivatives with a substituted hydroxy long-chain olefinic compound; (b) subsequent polymerization of the so formed ethylenically unsaturated ester of a long-chain olefinic compound in an aqueous phase with at least one other copolymerizable monomer; and (c) blending so formed polymer with at least one drier and a surfactant to form the novel latex or emulsion compositions.Type: GrantFiled: December 24, 1996Date of Patent: March 20, 2001Assignee: University of Southern MississippiInventors: Shelby Freland Thames, Kamlesh Gopichand Panjnani, Rajan Hariharan, Zhiyu Wang