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Attorney: Szuch; Colleen D., Friedenson; Jay P.


Number of patents: 45
Last date: March 20, 2001

1    
NumberTitleIssue Date
6203671Method of producing fluorinated compounds
A process for preparing a fluorinated product comprising: (a) reacting a molar excess of an aliphatic starting compound in liquid phase with fluorine in the presence of actinic radiation to produce a product mixture containing a fluorinated product having...
03/20/2001
6153802Liquid-fluorination system and method
A system and process for producing a fluorinated organic compound, said process comprising (a) reacting an organic compound with a fluorinations agent in the presence of a liquid-phase fluorinations catalyst to produce a product stream; (b) scrubbing said...
11/28/2000
6031112Process for the production of alkoxycarbonyl-dipeptides intermediates in the synthesis of the lisinopril
Process for the production of alkoxycarbonyldipeptides intermediates in the synthesis of the lisinopril which comprises protecting both amino functions of the L-lysine with an alkoxycarbonyl group, subsequently making the N-carboxyanhydride of the N6-[alk...
02/29/2000
5872203Polyurethane adhesive composition for bonding polymeric roofing materials to roof-deck substrates
A 100% solids polyurethane adhesive composition for bonding polymeric roofing materials to roof-deck substrates is provided which includes two components. The first component comprises a monomeric or polymeric diisocyanate, or a polyurethane prepolymer fo...
02/16/1999
5868799Surfactants and drying and drycleaning compositions which utilize said surfactants
Novel surfactants and drying, drycleaning and soil repellency compositions containing such surfactants which utilize such surfactants. The surfactants are fluorine containing quaternary ammonium salts, and the drying, drycleaning and soil repellency compo...
02/09/1999
5863857Adsorbent containing composition for use in insulating glass units
An adsorbent containing composition for use in an insulating glass unit is provided. The composition includes a depolymerized butyl rubber having a low viscosity average molecular weight which is a carrier for moisture and volatile organic chemical adsorb...
01/26/1999
5856286Surfactants for use in drying and dry cleaning compositions
The invention provides a fluorinated surfactant for use with halocarbon and hydrofluoroether solvents. Additionally, the invention provides drying, dry cleaning, and soil repellency compositions containing a halocarbon or hydrofluoroether and a fluorinate...
01/05/1999
5843208Process for recovering sulfur hexafluoride
The present invention provides a process for recovering sulfur hexafluoride ("SF6 ") from a gas stream using membrane separation....
12/01/1998
5824732Process for producing coating compositions containing ethylene-acrylic acid copolymers with polyamide grafts as rheology modifiers
An improved coating composition having one or more polymeric binders dispersed in a liquid medium, wherein the improvement comprises an anti-sag and anti-settling effective amount of a copolymer comprising a polymeric backbone comprising recurring monomer...
10/20/1998
5824826Process for the preparation of 1,1,2,3,3,4-hexafluorobutane
The invention provides a process for the preparation of 1,1,2,3,3,4-hexafluorobutane by telomerization of chlorotrifluoroethylene to produce 1,1,3,4-tetrachlorohexafluorobutane followed by reduction of that compound to 1,1,2,3,3,4-hexafluorobutane....
10/20/1998
5800682Process for the production of difluoromethane
A liquid and vapor phase processes for the production of difluoromethane in which the risk of exposure to, and equipment fouling from, chlorofluoromethane is reduced. This reduction is accomplished from removing a sidestream containing monochloromonofluor...
09/01/1998
5777184Preparation of fluoroalkyl compounds and their derivatives
A process for producing a fluorinated olefin having the formula: CH3-a Fa CH.dbd.CHCl where a=1,2 or 3, said process comprising catalytically reacting a chlorinated organic compound with a fluorination agent under conditions sufficient to...
07/07/1998
5766483Process for hydrogen fluoride separation
A method for separating hydrogen fluoride from a chemical mixture is provided. In the process of the invention, hydrogen fluoride is separated from a chemical mixture containing hydrogen fluoride by contacting the chemical mixture with a hydrogen fluoride...
06/16/1998
5618781Azeotrope-like compositions of dichloropentafluoropropane and methylpentane
Stable azeotrope-like compositions consisting essentially of dichloropentafluoropropane and a hydrocarbon containing six carbon atoms which are useful in a variety of industrial cleaning applications including cold cleaning and defluxing of printed circui...
04/08/1997
5481050Processes for the preparation of fluorinated olefins and hydrofluorocarbons using fluorinated olefin
The invention relates to a cost effective and convenient process for the manufacture of fluorinated olefins of the formula RCF2 CH=CH2 where R is Cx Cly Fz and y+z=2×+1. The invention is also directe...
01/02/1996
5446217Processes for the preparation of fluorinated olefins and hydrofluorocarbons using fluorinated olefin
The invention relates to a cost effective and convenient process for the manufacture of fluorinated olefins of the formula RCF2 CH=CH2 where R is Cx Cly Fz and y+z=2x+1. The invention is also directed...
08/29/1995
5405524Process for the catalytic conversion of low molecular weight aromatic hydrocarbons
The process of the invention comprises: a) heating at least one low molecular weight aromatic hydrocarbon in the presence of a Lewis acid under conditions sufficient to produce a pitch of desired composition and properties; b) recovering a pitch of desired com...
04/11/1995
5359108Di-, tri- and tetrafunctional methyl isobutyl and methyl amyl ketoxime-based silanes
The invention relates to the following novel silanes: methyl vinyl bis-(methyl isobutyl ketoximino) silane; methyl vinyl bis-(methyl amyl ketoximino) silane; methyl tris-(methyl isobutyl ketoximino) silane; vinyl tris-(methyl isobutyl ketoximino) silane; ...
10/25/1994
5346595Process for the purification of a pentafluoroethane azeotrope
The invention generally relates to a process for the purification of a component of a binary azeotrope in which the composition of the azeotrope changes by about 10 mole percent with pressure comprising: (a) subjecting a binary azeotrope to a distillation step...
09/13/1994
5342579Sterilant mixture
A sterilant mixture comprising 14 to 25 mole percent ethylene oxide and 75 to 86 mole percent 1,1,2,2,2-pentafluoroethane, and a sterilization method using same....
08/30/1994
5298083Method of dissolving contaminants from substrates by using hydrofluorocarbon solvents having a portion which is fluorocarbon and the remaining portion is hydrocarbon
The present invention provides hydrofluorocarbon solvents having a portion which is fluorocarbon and the remaining portion is hydrocarbon and having 4 to 7 carbon atoms. The solvents are useful for dissolving contaminants or removing contaminants from the...
03/29/1994
5290473Azeotrope-like compositons of 1,1,1,3,3,5,5,5-octafluoropentane, C1-C5 alkanol and optionally nitromethane
Stable azeotrope-like compositions of 1,1,1,3,3,5,5,5-octafluoropentane, C1 -C5 alkanol and optionally nitromethane have been discovered which are useful as degreasing agents and as solvents in a variety of industrial cleaning applic...
03/01/1994
5288819Azeotrope-like compositions of dichloropentafluoropropane and 1,2-dichloroethylene
Azeotrope-like compositions comprising dichloropentafluoropropane and 1,2-dichloroethylene are stable and have utility as degreasing agents and as solvents in a variety of industrial cleaning applications including cold cleaning and defluxing of printed c...
02/22/1994
5288422Azeotrope-like compositions of 1,1,1,3,3,5,5,5-octafluoropentane, chlorinated ethylenes, and optionally nitromethane
Azeotrope-like compositions comprising 1,1,1,3,3,5,5,5-octafluoropentane, chlorinated ethylene and optionally nitromethane have been discovered which are stable and have utility as degreasing agents and as solvents in a variety of industrial cleaning appl...
02/22/1994
5275669Method of dissolving contaminants from substrates by using hydrofluorocarbon solvents having a portion which is fluorocarbon and the remaining portion is hydrocarbon
The present invention provides hydrofluorocarbon solvents having a portion which is fluorocarbon and the remaining portion is hydrocarbon and having 4 to 7 carbon atoms. The solvents are useful for dissolving contaminants or removing contaminants from the...
01/04/1994
5246501Flash drying treatment of solvent from workpieces
A solvent control arrangement for stripping liquid solvent from parts being degreased/defluxed in a degreaser or defluxer by intimate contact with liquid solvent or a vapor phase thereof is disclosed. The solvent control arrangement comprises a tank or bo...
09/21/1993
5227088Azeotrope-like compositions of 1-chloro-3,3,3-trifluoropropane and a C.sub. 5 6 hydrocarbon
Azeotrope-like compositions of 1-chloro-3,3,3-trifluoropropane and a hydrocarbon containing five or six carbon atoms have been discovered which are useful in a variety of applications including industrial cleaning, blowing agent and aerosol applications....
07/13/1993
5211866Azeotrope-like compositions of 1-chloro-3,3,3-trifluoropropane and isopropanol
Azeotrope-like compositions of 1-chloro-3,3,3-trifluoropropane and isopropanol have been discovered which are useful in a variety of applications including industrial cleaning, refrigerant and aerosol applications....
05/18/1993
5190685Azeotrope-like compositions of 1,1-dichloro-1-fluoroethane, dichlorotrifluoroethane, ethanol and cyclopentane
Stable azeotrope-like compositions comprising 1,1-dichloro-1-fluoroethane, dichlorotrifluoroethane, ethanol and cyclopentane which are useful in a variety of industrial cleaning applications including cold cleaning and defluxing of printed circuit boards....
03/02/1993
5182042Azeotrope-like compositions of 1,1,1-trifluorohexane and perfluoromethylcyclohexane
Azeotrope-like compositions of 1,1,1-trifluorohexane and perfluoromethylcyclohexane which are useful in a variety of industrial cleaning applications including defluxing of printed circuit boards....
01/26/1993
5155082Catalyst for the manufacture of chlorofluorocarbons, hydrochlorofluorocarbons and hydrofluorocarbons
The invention relates to a novel catalyst and process for producing various chlorofluorocarbons, hydrochlorofluorocarbons and hydrofluorocarbons said catalyst prepared by co-extruding aluminum/chromium oxide and optionally impregnating the aluminum/chromi...
10/13/1992
5124065Azeotrope-like compositions of dichloropentafluoropropane and an alkanol having 1-4 carbon atoms
Stable azeotrope-like compositions consisting essentially of dichloropentafluoropropane and an alkanol having 1-4 carbon atoms which are useful in a variety of industrial cleaning applications including cold cleaning and defluxing of printed circuit board...
06/23/1992
5118438Azeotrope-like compositions of dichloropentafluoropropane and a hydrocarbon containing six carbon atoms
Stable azeotrope-like compositions consisting essentially of dichloropentafluoropropane and a hydrocarbon containing six carbon atoms which are useful in a variety of industrial cleaning applications including cold cleaning and defluxing of printed circui...
06/02/1992
5118437Azeotrope-like compositions of dichloropentafluoropropane, ethanol and a hydrocarbon containing six carbon atoms
Novel azeotrope-like compositions comprising dichloropentafluoropropane, ethanol and a hydrocarbon containing six carbon atoms which are useful in a variety of industrial cleaning applications including cold cleaning and defluxing of printed circuit board...
06/02/1992
5116526Azeotrope-like compositions of dichloropentafluoropropane and 1,2-dichloroethylene
Azeotrope-like compositions comprising dichloropentafluoropropane and 1,2-dichloroethylene are stable and have utility as degreasing agents and as solvents in a variety of industrial cleaning applications including cold cleaning and defluxing of printed c...
05/26/1992
5106526Azeotrope-like compositions of dichloropentafluoropropane, methanol and a hydrocarbon containing six carbon atoms
Novel azeotrope-like compositions comprising dichloropentafluoropropane, methanol, and a hydrocarbon containing six carbon atoms which are useful in a variety of industrial cleaning applications including cold cleaning and defluxing of printed circuit boa...
04/21/1992
5104565Azeotrope-like compositions of dichloropentafluoropropane, 2-propanol and a hydrocarbon containing six carbon atoms
Novel azeotrope-like compositions comprising dichloropentafluoropropane, 2-propanol and a hydrocarbon containing six carbon atoms which are useful in a variety of industrial cleaning applications including cold cleaning and defluxing of printed circuit bo...
04/14/1992
5085798Azeotrope-like compositions of 1,1-dichloro-1-fluoroethane, cyclopentane and optionally an alkanol
Stable azeotrope-like compositions consisting essentially of 1,1-dichloro-1-fluoroethane, cyclopentane and optionally an alkanol which are useful in a variety of industrial cleaning applications including cold cleaning and defluxing of printed circuit boa...
02/04/1992
5085797Azeotrope-like compositions of 1,1-dichloro-1-fluoroethane, a monochlorinated C3 alkane and optionally an alkanol
Stable azeotrope-like compositions of 1,1-dichloro-1-fluoroethane, a mono-chlorinated C3 alkane and optionally an alkanol which are useful in a variety of industrial cleaning applications including cold cleaning and defluxing of printed circuit...
02/04/1992
5085796Azeotrope-like compositions of 1,1-dichloro-1-fluoroethane, dichlorotrifluoroethane, ethanol and a mono- or di-chlorinated C2 or C3 alkane
Stable azeotrope-like compositions comprising 1,1-dichloro-1-fluorethane, dichlorotrifluoroethane, ethanol, and a mono- or di-chlorinated C2 or C3 alkane which are useful in a variety of industrial cleaning applications....
02/04/1992
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