Assignee: Elf Atochem North America, Inc.

Location: Philadelphia, PA
No. of patents: 164

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Number	Title	Issue Date
6166235	Heterogeneous organotin catalysts This invention provides: (a) new organotin functionalized silanes: (b) a solid prepared by chemically bonding organotin functionalized silanes to a solid inorganic support containing surface hydroxy groups: (c) a solid catalyst prepared from said supporte...	12/26/2000
6162755	Heterogeneous organotin catalysts This invention provides: (a) new organotin functionalized silanes: (b) a solid prepared by chemically bonding organotin functionalized silanes to a solid inorganic support containing surface hydroxy groups: (c) a solid catalyst prepared from said supporte...	12/19/2000
6159346	Inhibition of 141b decomposition Inhibition of the formation of unsaturated carbon compounds during the heating of 141b involving the addition of various inhibitors such as dialkylhydroxylamine and/or the use of a vessel made of a nickel alloy....	12/12/2000
6156832	Composition based on organotin maleates which can be used to stabilize and lubricate thermoplastic polymers, Process for producing the said composition The invention relates to a composition containing organotin maleates such as is obtained by reacting a mixture of a low molecular weight alcohol or epoxyalkane and of a high molecular weight alcohol or epoxyalkane with maleic anhydride and by then bringin...	12/05/2000
6136877	142b/124 blowing agent blends Nonflammable foam blowing agent blends of 142b or 124 are provided, as are polyol premixes and polyurethane foam compositions containing such blends....	10/24/2000
6124380	Metal containing e-coat catalysts optionally with tin catalysts The invention comprises a curable composition comprising: (i) a blocked reactive component wherein the blocked reactive component is a blocked isocyanate or a blocked isothiocyanate; (ii) a functional compound reactive with the blocked reactive component,...	09/26/2000
6124510	1234ze preparation Preparation of cis/trans 1234ze monomer is provided, by dehydrofluorination of 245fa using an alkaline solution or using a gas phase catalyzed process....	09/26/2000
6120908	Strengthening flat glass by edge coating A method is described for strengthening or restoring strength to a flat brittle oxide substrate which includes the steps of coating the edges of the brittle oxide substrate with a strengthening composition without coating a significate portion of the flat...	09/19/2000
6117917	Blowing agent blends and use thereof B-side compositions comprising a polyol and a gaseous blowing agent comprising 124 dissolved in the polyol are provided, as are processes for producing closed-cell polyurethane or polyisocyanurate polymer foam comprising contacting an isocyanate-containin...	09/12/2000
6117914	142b/124 blowing agent blends Nonflammable foam blowing agent blends of 142b or 124 are provided, as are polyol premixes and polyurethane foam compositions containing such blends....	09/12/2000
6099624	Nickel-phosphorus alloy coatings Nickel phosphorus alloys can be electroplated from an aqueous acidic solution containing nickel alkane sulfonate and phosphorus acid....	08/08/2000
6083627	Powder coatings from mixtures of thermoplastic vinylidene fluoride based resins and polyamide resins Pigmented and unpigmented polymeric resin blends containing up to 45 weight percent polyvinylidene fluoride based polymer and either polyamide 11 or polyamide 12 having particular usefulness in powder coating of objects are disclosed....	07/04/2000
6083874	Composition and method for plant desiccation This invention relates to an improved composition of matter for and method of desiccating plants such as, for example, cotton. More particularly, this invention relates to an improved desiccating composition comprising a solution of endothall, an ammonium...	07/04/2000
6074985	Fluorination catalysts A supported Lewis acid catalyst such as antimony V on a fluorine-treated moisture-free activated carbon support is provided, as are fluorination processes using such a catalyst....	06/13/2000
6066760	Process for the preparation of alkane sulfonic acid and alkane sulfonyl chloride A process is disclosed for the efficient production of high purity alkane sulfonic acid and/or alkane sulfonyl chloride product wherein a compound of the formula RSX, where X is hydrogen or --SR1 and R and R1 are alkyl radicals is co...	05/23/2000
6063969	Preparation of 142 A process for the preparation of 142 is provided, wherein 1130 is fluorinated in the gas phase in the presence of a catalyst which is a supported or unsupported fluorinated salt of one or more of chromium, iron, niobium, nickel, antimony, tin, tantalum or...	05/16/2000
6013333	Method for strengthening a brittle oxide substrate A method is described for strengthening or restoring strength to a brittle oxide substrate which includes the steps of coating the brittle oxide substrate with an aqueous solution containing a silane-based composition, and curing the coating to form a tra...	01/11/2000
6013846	Azeotrope of HF and 1233zd An azeotrope containing HF and 1233zd is provided, as are methods for separating this azeotrope from mixtures of HF and 1233zd which are HF-rich or 1233zd-rich and methods for making use of the azeotrope and separation methods to improve processes for pre...	01/11/2000
6001900	Metal containing e-coat catalysts optionally with tin catalysts The invention comprises a curable composition comprising: (i) a blocked reactive component wherein the blocked reactive component is a blocked isocyanate or a blocked isothiocyanate; (ii) a functional compound reactive with the blocked reactive component,...	12/14/1999
5981787	Peroxyoxalates derived from hydroxy-hydroperoxides Novel peroxyoxalate compositions of Structure A, ##STR1## and use of the novel monoperoxyoxalates of Structure A as initiators for polymerizing ethylenically unsaturated monomers and for curing of unsaturated polyester resins are disclosed....	11/09/1999
5958992	Blowing agent blends Foam blowing agents blends of 10-90% of n- and/or i-pentane with 90-10% of 142b or 124 are provided, as are polyol premixes and polyurethane foam compositions containing such blends....	09/28/1999
5951161	Apparatus for preparation of tank mixtures for heat sensitive biofungicides An apparatus for preparing a biofungicide mixture for application to harvested fruit. The apparatus includes a storage container for holding a dry biofungicide component. The storage container is attached to a conduit which has a screw conveyor rotatably ...	09/14/1999
5948843	Lithographic ink A lithographic printing ink contains an ester-modified carboxyl-containing copolymer as a pigment dispersant. The ester-modified carboxyl-containing copolymer is the reaction product of a long chain alcohol and a styrene maleic anhydride copolymer, wherei...	09/07/1999
5948920	Epoxides from dicyclopentadiene--unsaturated oil copolymers Partially epoxidized compounds obtained from Diels Alder adducts of dicyclopentadiene with fatty oils having a iodine number of 70 or greater and their transesterification products with C1 to C10 alkanols are disclosed. 100% solids r...	09/07/1999
5944879	Nickel hypophosphite solutions containing increased nickel concentration This invention relates to aqueous solutions containing Ni cation and hypophosphite anion which have a Ni cation concentration greater than 36 grams/liter. Such solutions have utility in electroless nickel plating baths and processes as make-up solutions a...	08/31/1999
5922493	Polymeric electrode and electrolyte article of manufacture An article of manufacture is disclosed comprising an electrochemical cell having a positive electrode, an absorber-separator and a negative electrode wherein at least one of the electrodes or absorber-separator comprises a porous polyvinylidene fluoride. ...	07/13/1999
5919852	Low smoke, flame retardant, VDF polymers Calcium tungstate modified, VDF polymers having a reduced smoke-generating capability upon ignition and an increased resistance to ignition....	07/06/1999
5912304	Processes providing improved scorch retardation during compounding of elastomers and thermoplastics curable with peroxides and azo compounds A crosslinkable composition of a polymeric thermoplastic and/or elastomeric material which is susceptible to scorching when processed at elevated temperatures, prior to crosslinking, in the presence of a free radical initiator, is protected against such s...	06/15/1999
5910373	Metal containing E-coat catalysts optionally with tin catalysts The invention comprises a curable composition comprising: (i) a blocked reactive component wherein the blocked reactive component is a blocked isocyanate or a blocked isothiocyanate; (ii) a functional compound reactive with the blocked reactive component,...	06/08/1999
5902871	Catalyst for low temperature cure of blocked isocyanates The present invention comprises a curable composition comprising: (i) a blocked reactive component comprising a blocked isocyanate or a blocked isothiocyanate; (ii) a functional compound containing reactive hydrogen; (iii) a triorganotin catalyst for promoting the ...	05/11/1999
5895825	Preparation of 1,1,1,3,3-pentafluoropropane A process for the preparation of 245fa is provided, wherein 1233zd is first fluorinated to 1234ze, followed by fluorination of 1234ze to 245fa. 245fa is a known foam blowing agent and refrigerant....	04/20/1999
5880178	Catalyst for low temperature cure of blocked isocyanates The present invention comprises a curable composition comprising: (i) a blocked reactive component comprising a blocked isocyanate or a blocked isothiocyanate; (ii) a functional compound containing reactive hydrogen; (iii) a triorganotin catalyst for promoting the ...	03/09/1999
5877359	Uncatalyzed liquid phase fluorination of 1230ZA An uncatalyzed liquid phase process is provided for the preparation of oligomer free 1233zd via the fluorination of 1230za with a high molar excess of HF. The 1233zd is a known intermediate useful for preparing 245fa....	03/02/1999
5876624	Scorch retarding crosslinking compositions comprising a hydroquinone, a sulfur accelerator, a coagent and a free radical initiator A crosslinkable composition of a polymeric thermoplastic and/or elastomeric material which is susceptible to scorching when processed at elevated temperatures, prior to crosslinking, in the presence of a free radical initiator, is protected against such s...	03/02/1999
5859165	Metal containing E-coat catalysts optionally with tin catalysts The invention comprises a curable composition comprising: (i) a blocked reactive component wherein the blocked reactive component is a blocked isocyanate or a blocked isothiocyanate; (ii) a functional compound reactive with the blocked reactive component, the ...	01/12/1999
5854188	Water in oil emulsions containing pyrrole Improvements in the rate of stripping of alkaline water-in-oil emulsions by incorporating in the organic phase thereof an effective amount of pyrrole....	12/29/1998
5851972	Water in oil emulsions containing anisole Improvements in the rate of stripping of benzyl alcohol containing water-in-oil emulsions by incorporating in the organic phase thereof an effective amount of anisole....	12/22/1998
5837782	Bis(mono-and-diperoxyoxalates) derived from dihydroperoxides and alkyl and alkylperoxy halooxalates A novel bis(mono- or diperoxyoxalate) composition of Structure A, ##STR1## and use of the novel bis(mono- or diperoxyoxalate) composition as an initiators for curing of unsaturated polyester resins and for polymerizing ethylenically unsaturated monom...	11/17/1998
5821209	Water in oil emulsions containing a terpene, benzyl alcohol, and wax Improvements in the retardation of water evaporation from benzyl alcohol containing water-in-oil emulsions by incorporating in the organic phase thereof an effective amount of a terpene....	10/13/1998
5817612	Aqueous benzyl formate paint stripper Aqueous paint stripper formulations containing a solvent system comprised of an ester such as benzyl formate and methods for using the same to strip paint....	10/06/1998

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Assignee: Elf Atochem North America, Inc.