Alliedsignal Inc.

Honeywell International Inc.

Centre National De La Recherche Scientifique

Alagappan Thenappan

Michael Van Der Puy

Hsueh Sung Tung

Eric J Rainal

Kane David Cook

Bruno Ameduri

Leonard M Stachura

Martin R Paonessa

Gerald Lopez

Robert L Bell

G V Madhavan

Noureddine Ajellal

David Nalewajek

Richard E Eibeck

Matthew H Luly

Ian R Shankland

Andrew Joseph Poss

Edward Asirvatham

Awdhoot V Kerkar

Addison Miles Smith

Jeffrey Warren McKown

Charles Francis Swain

David E Bradley

Kevin R Benson

Carl Altman

Jong Soo Lee

Gary Martin

Lawrence F Mullan

Frédéric Boschet

Gary M Skwarek

Jeff Czarnecki

Michael VanDerPuy

G V Bindu Madhavan

Michael Van Der Puv

Eric Rainal

Awdhoot Vasant Kerkar

Frederic Boschet

Bruno Amaduri

Flexible packages, transdermal drug delivery devices, and methods for fabricating packages are provided. An exemplary flexible package includes a chemical and moisture resistant layer formed from poly(chlorotrifluoroethylene-co-vinylidene fluoride) ('P(CTFE-co-VDF)') copolymer. Further, the exemplary flexible package includes a substance to be delivered. The substance is applied to or enclosed by the chemical and moisture resistant layer.

Flexible substrates with chemical and moisture resistance

Disclosed is a copolymer film that includes a first comonomer including a chlorofluoro olefin and a second comonomer that is selected from the group consisting of itaconic acid, 2,3-dihydropyran, D-glucal, glycerine carbonate vinyl ether, 2-hydroxypropyl acrylate, maleic anhydride, vinylidene chloride, and mixtures thereof.

Fluoropolymers containing a copolymerized fluoromonomer and a functional hydrocarbon comonomer and articles made from such fluoropolymers

Methods for synthesizing stabilized polymers of chlorotrifluoroethylene and products manufactured using such polymers are disclosed herein. In one exemplary embodiment, a method for synthesizing chlorotrifluoroethylene (CTFE)-based polymers includes reacting, in the presence of an initiator and in a reaction medium at a pH of about 1.5 to about 2.5, one or more monomers comprising CTFE and after an amount of polymerization reaction time has passed, adding a neutralizing agent to the reaction medium to increase the pH of the reaction medium to within a range of about 1.8 to about 6.0.

Methods for synthesizing stabilized polymers of chlorotrifluoroethylene and products manufactured using such polymers

A polymeric molecule having the formula: X&#x2014;[C(A)C(B)(B')]-Q[CY&#x2550;C(Z)(Z&#x2032;)] or [C(A)=C(B)]-Q[C(Y)(Y&#x2032;)&#x2014;C(Z)(Z&#x2032;)]&#x2014;X&#x2032;, wherein A is either H or F; B and B&#x2032; are either H, F, or Cl, and are not necessarily the same; X and X&#x2032; are Br, Cl or I (and are not necessarily the same); Y and Y&#x2032; are F, Br, Cl or I (and are not necessarily the same); and wherein Z and Z&#x2032; are F, Br, Cl or I (and are not necessarily the same); Q is optional and is either oxygen (O) or sulfur (S); and n is at least 1.

Process, properties, and applications of graft copolymers

Methods for the synthesis of CTFE-based block copolymers through iodine transfer polymerization are disclosed. In an exemplary embodiment, a method includes reacting a fluoromonomer 'M' with a chain transfer agent of the formula X&#x2014;Y or Y&#x2014;X&#x2014;Y, wherein X represents a C-Chydrocarbon, a C-Chydrofluorocarbon, C-Chydrochlorofluorocarbon, or C-Cfluorocarbon and Y represents iodine or bromine, in the presence of a radical initiator, to form a macro-initiator of the formula: X-poly(M)-Y or Y-poly(M)-X-poly(M)-Y, wherein poly(M) represents a polymer of the fluoromonomer. The method further includes reacting the macro-initiator with chlorotrifluoroethylene (CTFE) in the presence of a radical initiator to form a diblock or a triblock CTFE-based block copolymer of the formula: X-poly(M)-block-poly(CTFE) or PCTFE-block-poly(M)-X-poly(M)-block-PCTFE.

Synthesis of chlorotrifluoroethylene-based block copolymers by iodine transfer polymerization

Fluorinated macromonomers, a PCTFE-g-poly(M) graft copolymer, and moisture barrier films and articles formed therefrom are provided. The PCTFE-g-poly(M) graft copolymers have a PCTFE backbone component and a plurality of pendant groups attached to the PCTFE backbone component.

The preparation of halosilanes having mixed-halogen substituents is described comprising providing an aryl-halo-silane having one more first halogens and one or more aryl groups, and substituting one or more of said aryl groups of said aryl-halo-silane with a second halogen having an atomic number greater than that of said first halogen.

Preparation of mixed-halogen halo-silanes

A process for the catalytic fluorination of hydrochlorocarbons and hydrochlorofluorocarbons in the liquid phase. The process is useful for fluorinating hydrochloropropanes, hydrochlorofluoropropanes, hydrochloropropenes and hydrochlorofluoropropenes and most particularly useful for fluorinating 1,1,1,3,3-pentachloropropane to 1,1,1,3,3-pentafloropropane. Suitable catalysts include (i) a pentavalent molybdenum halide; (ii) a tetravalent tin halide; (iii) a tetravalent titanium halide; (iv) a mixture of a pentavalent tantalum halide with a tetravalent tin halide; (v) a mixture of a pentavalent tantalum halide with a tetravalent titanium halide; (vi) a mixture of a pentavalent niobium halide with a tetravalent tin halide; (vii) a mixture of a pentavalent niobium halide with a tetravalent titanium halide; (viii) a mixture of a pentavalent antimony halide with a tetravalent tin halide; (ix) a mixture of a pentavalent antimony halide with a tetravalent titanium halide; (x) a mixture of a pentavalent molybdenum halide with a tetravalent tin halide; (xi) a mixture of a pentavalent molybdenum halide with a tetravalent titanium halide and (xii) a mixture of a pentavalent antimony halide with a trivalent antimony halide. Products of this process are useful in a variety of applications including solvents, blowing agents, and refrigerants.

Liquid phase catalytic fluorination of hydrochlorocarbon and hydrochlorofluorocarbon

The invention relates to novel compositions of 1-bromopropane and at least one organic solvent selected from the group consisting of methanol, ethanol, 1-propanol, 2-propanol, 2-methyl-2-propanol, 2,2,2-trifluoroethanol, tetrahydrofiran, nitromethane, ethyl acetate, acetonitrile, hexane, 1,3-dioxolane, 1-chloro-2-methylpropane, 1,1,1,2,3,4,4,5,5,5-decafluoropentane, methyl ethyl ketone and cyclohexane and more particularly to azeotrope-like compositions based on these compounds which are useful as solvents in refrigeration flushing, oxygen system cleaning and vapor degreasing applications.

Compositions of 1-bromopropane and an organic solvent

The present invention provides catalysts and processes for the fluorination of hydrohalomethanes. In particular, the invention provides a process for the fluorination of hydrohalomethanes using hydrogen fluoride and a Lewis Acid catalyst. More specifically, catalysts and a process for the fluorination of dichloromethane are provided.

Catalyst and process for the fluorination of hydrohalomethanes

The invention relates to novel compositions of 1-bromopropane and at least one organic solvent selected from the group consisting of methanol, ethanol, 1-propanol, 2-propanol, 2-methyl-2-propanol, 2,2,2-trifluoroethanol, tetrahydrofuran, nitromethane, ethyl acetate, acetonitrile, hexane, 1,3-dioxolane, 1-chloro-2-methylpropane, 1,1,1,2,3,4,4,5,5, 5-decafluoropentane, methyl ethyl ketone and cyclohexane and more particularly to azeotrope-like compositions based on these compounds which are useful as solvents in refrigeration flushing, oxygen system cleaning and vapor degreasing applications.

A process for producing a fluorinated organic compound comprising: (a) reacting an organic starting material with hydrogen fluoride in the presence of a fluorination catalyst and an HFC reaction solvent to produce a product stream containing the fluorinated organic compound wherein the reaction solvent has a boiling point higher than that of the fluorinated organic compound; and (b) recovering the fluorinated organic compound from the product stream.

Method of producing fluorinated organic compounds

The invention relates to novel azeotrope-like compositions of 1-bromopropane, 4-methoxy-1,1,1,2,2,3,3,4,4-nonafluorobutane (HFE-7100) and at least one organic solvent selected from the group consisting of methanol, ethanol, 2-propanol, 2-methyl-2-propanol, tetrahydrofuran, nitromethane, and methylene chloride and more particularly to azeotrope-like compositions based on these compounds which are useful as solvents in refrigeration flushing, oxygen system cleaning and vapor degreasing applications.

Compositions of 1-bromopropane,

Liquid phase catalytic fluorination of hydrochlorocarbon and

The invention relates to novel compositions of 1-bromopropane, nitromethane or acetonitrile and at least one alcohol selected from the group consisting of ethanol, 2-propanol and 2-methyl-2-propanol and more particularly to azeotrope-like compositions based on these compounds which are useful as solvents in refrigeration flushing, oxygen system cleaning and vapor degreasing applications.

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Cheektowaga, NY, United States of America

Alagappan Thenappan