Alliedsignal Inc.

Allied Chemical Corporation

Allied Corporation

Honeywell International Inc.

Timothy R Demmin

Milorad M Rogic

Michael Van Der Puy

Robert Christian Parker

Matthew H Luly

Andrew Joseph Poss

Richard E Eibeck

Michael D Swerdloff

David Elliott Bradley

Mohammed A Fathimulla

Gary Michael Knopeck

Donna M Ruszaj

Ian R Shankland

David Nalewajek

Haridasan K Nair

Hsueh Sung Tung

Stephen Frederic Yates

George David Green

Raymond Hilton Thomas

Martin A Robinson

Keith A Horn

Willis Hammond

David E Bradley

Jason T Stuck

David S Soriano

G V Madhavan

Martin E Cheney

Franklin S Wong

Svetlana Ivanovna Ozol

Valeriy Georglevitch Barabanov

Victor Grigorievitch Temchenko

Milorad M Rogic'

Nair K Haridason

David Nalwajek

Disclosed are improved fluorination processes and fluorine-containing compositions which involve introducing to one or more fluorination process compositions a water reactive agent in an amount and under conditions effective to decrease the amount of water in that composition. The water reactive agent is preferably introduced to the fluorination reaction process at a location proximate to the site of the fluorination reaction, or upstream of the fluorination reaction, in amounts and under conditions effective to produce a relatively lower concentration of water in the composition, and preferably throughout the fluorination process.

Method of removing water from hydrofluorocarbon manufacturing processes

Method of etching and cleaning using fluorinated carbonyl compounds

A process for preparing 1-chloro-1,1,3,3,3-pentafluoropropane, CF CH CF Cl, comprising contacting in a reaction zone in the substantial absence of oxygen, reactants comprising chlorine and 1,1,1,3,3-pentafluoropropane, CF CH CHF (also referred to as HFC-245fa), and subjecting the reactants to actinic radiation, such as UV light at about 2,000 to 4,000 Angstroms, wherein: (1) inert gas is present at a concentration equal to or less than about 5 wt. % of the total weight of reactants; (2) the molar ratio of chlorine to CF CH CHF is from about 0.2:1 to about 1.5:1; and (3) the concentration of chlorinated product produced having greater than one chlorine present in the molecule is less than or equal to about 10 wt. %.

Photochlorination of 1,1,1,3,3-pentafluoropropane

A process for producing a fluoroolefin of the formula: CF CY&boxH;CX H wherein Y is a hydrogen atom or a halogen atom (i.e., fluorine, chlorine, bromine or iodine); X is a hydrogen atom or a halogen atom (i.e., fluorine, chlorine, bromine or iodine); n and p are integers independently equal to 0, 1 or 2, provided that (n&plus;p)&equals;2; comprising contacting, in the presence of a phase transfer catalyst, a compound of the formula: CF C(R R )C(R R ), wherein R , R , R , and R are independently a hydrogen atom or a halogen selected from the group consisting of fluorine, chlorine, bromine and iodine, provided that at least one of R , R , R , and R is halogen and there is at least one hydrogen and one halogen on adjacent carbon atoms; a and b are independently&equals;0, 1 or 2 and (a&plus;b)&equals;2; and c and d are independently&equals;0, 1, 2 or 3 and (c&plus;d)&equals;3; and at least one alkali metal hydroxide. The alkali metal hydroxide can be, for example, potassium or sodium hydroxide and the phase transfer catalyst can be, for example, at least one: crown ether such as 18-crown-6 and 15-crown-5; or onium salt such as, quaternary phosphonium salt and quaternary ammonium salt. The olef in is useful, for example, as an intermediate for producing other industrial chemicals and as a monomer for producing oligomers and polymers.

Process for producing fluoroolefins

Method of etching using hydrofluorocarbon compounds

A process for catalytic addition of haloalkanes to alkenes involving the step of reacting the haloalkane with the alkene in the presence of a catalyst. The catalyst is an organophosphite compound represented by the following formula: P(OR,)(OR,)(OR,), where R,, R,, and R,are each an alkyl group or an aralkyl group. The haloalkane is as follows: (i) CR,R,R,R,, wherein (a) each of R,, R,, R,and R,is selected from the group consisting of a chlorine atom, a bromine atom or an iodine atom; or (b) R,is selected from the group consisting of a linear alkyl group; a halo-substituted linear alkyl group; an aralkyl group; an aralkyl group substituted with at least one of a halogen atom on the alkyl portion thereof or a halogen atom, alkyl group, alkoxy group or &mdash;CO,R,wherein R,is a C,-C,alkyl group on the aryl portion thereof; an aryl group and an aryl group substituted with at least one of a chlorine atom, a fluorine atom, an alkoxy group or a &mdash;CO,R,group, wherein R,is a C,-C,alkyl group; and R,, R,and R,are as follows: R,is an iodine atom and R,and R,are each a halogen atom except R,and R,are not each a bromine atom or R,and R,are each a bromine atom and R,is a halogen atom. The catalyzed addition of the haloalkane to the alkene proceeds without any other components present in an excess amount, by weight, of the combined amount of the haloalkane, alkene and organophosphite catalyst compound.

Process for addition of haloalkanes to alkenes catalyzed by an organophosphite compound

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 at least one hydrogen atom; and (b) recovering the fluorinated product from the product stream.

Method of producing fluorinated compounds

A method of etching comprising subjecting a material under plasma etching conditions to an etching composition comprising at least an etchant compound having the formula C.sub.X H.sub.C F.sub.Z

The present invention relates to foam compositions which are expanded with hydrohalocarbon blowing agents in the presence of catalysts which result in a decreased amount of decomposition of the hydrohalocarbon blowing agents to haloalkenes during the polymerization. Thus, the present invention provides compositions comprising polyisocyanate, polyol, hydrohalocarbon blowing agent, surfactant, and at least one catalyst for polymerization of the polyisocyanate and polyol wherein the catalyst is less volatile than N,N-dimethylcyclohexylamine or the catalyst is a tertiary amine having at least one isocyanate-reactive functionality selected from the group consisting of --OH and --NH-- and the catalyst results in a decreased amount of decomposition of the hydrohalocarbon blowing agents to haloalkenes during polymerization of the polyisocyanate and the polyol and especially during use of the foam samples at a temperature of at least about 54.degree. C.

Catalysts which stabilize hydrohalocarbon blowing agent in polyurethane

A process for the preparation of 1,1,1,3,3-pentachloropropane (HCC-240fa). HCC-240fa is prepared by the photochlorination of 1,1,1,3-tetrachloropropane (HCC-250). HCC-240fa is an important intermediate in the preparation of 1,1,1,3,3-pentafluoropropane (HFC-245fa) an HFC blowing agent which is not destructive to the ozone layer.

Preparation of 1,1,1,3,3-pentachloropropane by photochlorination of

A process for the continuous production of telomers CCl.sub.3 (CH.sub.2 CCl.sub.2).sub.n Cl where n=1-3 (Formula I) by the continuous reaction of CCl.sub.4 and vinylidene chloride in the presence of a solvent and a catalyst. The reaction to form CCl.sub.3 (CH.sub.2 CCl.sub.2)Cl proceeds at a reaction rate constant k.sub.1. If n=1, CCl.sub.3 (CH.sub.2 CCl.sub.2)Cl is continuously removed from the reactor. If n=2, the removed CCl.sub.3 (CH.sub.2 CCl.sub.2)Cl reacts similarly with CCl.sub.4 and CH.sub.2 .dbd.CCl.sub.2 in a second reactor to form and remove CCl.sub.3 (CH.sub.2 CCl.sub.2).sub.2 Cl under conditions to have a reaction rate constant k.sub.2, wherein the ratio of the molar amounts of CCl.sub.4 to CCl.sub.3 (CH.sub.2 CCl.sub.2)Cl reacted is greater than the ratio k.sub.2 /k.sub.1. If n=3, the removed CCl.sub.3 (CH.sub.2 CCl.sub.2).sub.2 Cl similarly reacts in a third reactor with CCl.sub.4 and CH.sub.2 .dbd.CCl.sub.2 to form CCl.sub.3 (CH.sub.2 CCl.sub.2).sub.3 Cl under conditions to have a reaction rate constant k.sub.3, wherein the ratio of the molar amounts of CCl.sub.4 to CCl.sub.3 (CH.sub.2 CCl.sub.2).sub.2 Cl reacted is greater than the ratio k.sub.3 /k.sub.2.

Continuous process for the production of vinylidene chloride telomers

The present invention relates to foam compositions which are expanded with hydrohalocarbon blowing agents in the presence of catalysts which are capable of decreasing the amount of decomposition of the hydrohalocarbon blowing agents to haloalkenes during the polymerization. Thus, the present invention provides compositions comprising polyisocyanate, polyol, hydrohalocarbon blowing agent, surfactant, and catalyst for polymerization of the polyisocyanate and polyol wherein the catalyst is capable of decreasing the amount of decomposition of the hydrohalocarbon blowing agents to haloalkenes during polymerization of the polyisocyanate and the polyol.

Catalysts which stabilize hydrohalocarbon blowing agent in

The invention relates to a process for preparing hydrofluorocarbons of the formulas CF.sub.3 (CH.sub.2 CF.sub.2).sub.n F comprising reacting at least one reactant selected from CCl.sub.3 (CH.sub.2 CCl.sub.2).sub.n Cl, CCl.sub.3 (CH.sub.2 CF.sub.2).sub.n Cl or CCl.sub.2 [(CH.sub.2 CF.sub.2)Cl].sub.2, where n=1 to 3, with hydrogen fluoride at a temperature of from about 25.degree. to about 200.degree. C.

Process for the preparation of hydrofluorocarbons having 3 to 7 carbon

Growing community of inventors

Grand Island, NY, United States of America

Timothy R Demmin