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6566563 Method for producing compounds with terminal OH groups  
A process for making OH-terminated compounds involving: (a) combining at least one CH 2 OH-terminated diol and a titanium-containing catalyst to form a reaction mixture; (b) heating the reaction...
6566549 Continuous polymerization process and products therefrom  
A continuous process for oligomers which do not contain, as polymerized units, carboxylic acid-containing monomers and their salts, including the steps of: (1) forming a reaction mixture,...
6255523 Power coatings based on branched oligoesters and non-emissive uretdione polyisocyanates  
The present invention relates to powder coating compositions which can be cured at low temperatures. The powder coating composition of the invention include a unique combination of a branched...
6020520 Process for the preparation of tetraalkyl 1,2,3,4-butanetetracarboxylates  
Electrolytic hydrodimeric coupling of dialkyl maleates in alkanol solutions containing an alkanol-soluble alkali metal acetate/quatemary ammonium tetrafluoroborate mixed supporting electrolyte...
5952458 Process for preparing a vinyl terminated polymer  
Synthesis of a vinyl terminated polymer by reacting a cationically polymerizable monomer in the form of a cyclic ether with an acid chloride in a suitable solvent and in the presence of a Lewis...
5942642 Method for making oligomers  
The invention relates to a method for making oligomers, including homo-oligomers and cooligomers, by the free radical polymerization of at least one monomer component B) having a greater tendency...
5880298 Process for oligomerization of polyunsaturated acids and esters, products obtained and use thereof  
For the oligomerization of a fatty ester or fatty acid containing conjugated double bonds, the reaction uses a catalyst consisting of an activated earth, e.g., montmorillonite, at a temperature of...
5731383 Difunctional telechelic linear non-crosslinked polyolefins  
This invention relates to difunctional telechelic linear non-crosslinked polyolefins without pendant chain branched groups. The polyolefin compounds of this invention are useful for preparing high...
5347043 Process for preparing Michael addition products  
Dialkyl malonate/alkyl acrylate Michael addition product mixtures having at least three acceptor moieties in a substantial number of the molecules can be consistently prepared without the need for...
5286879 Process for the preparation of mono-condensation derivatives of adipic acid  
An improved process for preparing mono-condensation derivatives of adipic acid with fewer steps and better purity is disclosed. In particular, this process comprises: (a) forming relatively...
5245072 Process for production of biodegradable esters  
This invention relates to processes for making biodegradable surfactant. The process comprises several steps including an optional step. The first step is directed to reacting olefins with ZSM-23...
5187308 Process for the production of low viscosity copolymers from maleic acid monoalkyl esters and vinyl alkyl ethers  
The present invention relates to a novel process for the production of low viscosity copolymers of maleic acid monoalkyl ester and vinyl alkyl ethers characterized in that the copolymerization of...
5106541 Manganese compound catalyzed oligomerization reactions and products thereof  
Oligomers and addition products obtained from the reaction of a saturated or olefinically unsaturated carboxylic acid, alcohol, ether, or ester with a substituted or unsubstituted acetic anhydride...
5099061 Rhodium-catalyzed olefin dimerization  
A process is disclosed for preparing functionalized linear olefins by dimerizing terminal olefins in the presence of a cationic rhodium compound. Novel rhodium compounds useful in this process are...
5039754 Polymeric peroxides derived from hydroxy-hydroperoxides and dihydroxydialkyl peroxides and their uses  
A polymeric peroxide comprising a dilvalent recurring unit having the formula: ##STR1## wherein the recurring unit of Formula I has a 10 hour half-life temperature of at least 80° C. and...
4973743 Process for the production of polybasic acid esters with recovery of boron trifluoride  
This invention provides a process for preparing an oligomer of at least one polyunsaturated aliphatic C 12 -22 monocarboxylic acid ester in the presence of boron trifluoride resulting in a high...
4950785 Catalytic process of synthetizing ethylene-tetracarboxylic esters  
Process of synthetizing ethylene-tetracarboxylic esters by duplication of lonic compounds of the formula: ##STR1## wherein X=COOR, Y=COOR' and R and R' represent an organic group, characterized in...
4927957 Catalytic dimerization of alkyl acrylates  
Alkyl acrylates are catalytically dimerized, e.g., to produce alkyl diesters of dihydromuconic acid, in the presence of a catalytically effective amount of palladium, tetrafluoroboric acid and a...
4889949 Catalytic (co)dimerization of alkyl acrylates  
The alkyl acrylates, e.g., methyl or ethyl acrylate, are improvedly dimerized, or codimerized with a conjugated diene, by contacting same with a catalytically effective amount of (a) at least one...
4857434 Radiation curable liquid (meth) acrylated polymeric hydrocarbon maleate prepolymers and formulations containing same  
This invention is directed to a thermal or radiation curable prepolymer, formulations containing same and processes of using same, said prepolymer comprising a liquid meth(acrylate) terminated...
4790957 Polycarboxylic acid esters and lubricants containing these esters  
This invention relates to aliphatic or aromatic polycarboxylic acid esters as defined herein which are useful as base oils alone in lubricating oil compositions or in admixture with completely...
4778830 Polyester polyols liquid at room temperature and their preparation and use in preparing plastics by polyisocyanate addition polymerization  
Disclosed are polyester polyols liquid at 25° C., having an average functionality of from 2 to 3, a hydroxyl number of from 25 to 400, an acid number smaller than 10 and a viscosity at 25° C. of...
4762946 Esters of unsaturated carboxylic acids  
Polymeric pour point depressants are described which are prepared from new esters of α,β-olefinically unsaturated carboxylic acids of the formula R 1 --CO--[--O--A--CO--]-- n OR wherein R...
4692548 Process for the preparation of unsaturated compounds  
The dimerization of acrylate esters and of ethene and the codimerization of acrylate esters with C 2 -4 -alkenes or 1,3-butadiene and of 1,3-butadiene with ethene in the presence of: (a) a Pd...
4670579 Telomerization of olefins  
An olefin, especially an activated olefin, is telomerized by reaction with an arylamine, such as an aniline, in the presence of an alkyl nitrite, a copper catalyst, and a catalytic amount of water...
4638084 Process for dimerizing acrylates and methacrylates  
A process is disclosed for dimerizing lower alkyl acrylates or lower alkyl methacrylates utilizing a bis(ethylene) rhodium tetrafluoroborate catalyst.
4613679 Emulsifiable modified polymers  
Emulsifiable polyolefin waxes are prepared by reacting low molecular weight homo- and copolymers containing at least one alpha-olefin monomer having at least three carbon atoms with diesters of...
4594447 Process for catalytic dimerization of acrylic acid derivatives  
The invention relates to a process for the dimerization of derivatives of acrylic acid in the homogeneous phase which process is characterized in that a compound having the general formula H 2 ...
4547323 Synthesis of 2,2-dimethyl-4-methyleneglutaric acid and derivatives  
The process comprises dimerizing methacrylic acid derivatives in the presence of an organic Co(II) glyoxime to produce 2,2-dimethyl-4-methyleneglutaric acid and/or derivatives thereof. Methacrylic...
4519954 Leach resistant catalyst useful for the dimerization of acrylic compounds  
A catalyst and a liquid phase process are provided for the dimerization of acrylic compounds. The process includes contacting an acrylic compound with the catalyst in the presence of hydrogen,...
4504674 Process for dimerizing acrylates to hexenedioates  
Alkyl acrylate esters are dimerized to dialkyl hexenedioates in the presence of a metal-treated ruthenium compound, an alcohol, optionally a phosphine, and optionally a carboxamide. The...
4485256 Dimerizing acrylates to hexenedioates using ruthenium compound catalysts  
Process for dimerizing alkyl acrylate esters to dialkyl hexenedioates in the presence of an alkali metal-treated or alkaline earth metal-treated ruthenium compound. The hexenedioate products are...
4451665 Process for dimerizing acrylates and methacrylates  
Catalytic process for dimerizing a lower alkyl acrylate or methacrylate by contacting, at about 0° to about 150° C., the acrylate or methacrylate with the catalyst of the formula (RCN) 4 PdX 2 ...
4229559 Novel bis(half ester) and compositions containing the same  
This invention is directed to a half ester characterized by the following empirical formula: ##STR1## wherein n is a number having an average value of 1.7 to 2, and m is equal to 2-n. Also...
4053503 Process for the dimerization of heptadiene acid esters  
A method for dimerizing heptadiene acid esters in the presence of a catalyst which is a metal of Group IA of the Periodic System or an alcoholate, hydride, amide, or tritylate thereof, or is an...
4009195 Processes of preparing oligomers  
This invention relates to novel oligomers of 1-alkenes and derivatives of acrylic acids, to methods of making the oligomers, and to compositions which comprise the oligomers.
3984462 Process for producing dodecanedioic acid dimethyl  
A process for producing dodecanedioic acid dimethyl ester comprising the steps of reacting cyclohexanone with methanol and hydrogen peroxide in the presence of an acid catalyst and water at a...
3956358 Dimerization method  
Derivatives of the α,β-unsaturated carboxylic acids are dimerized by reaction in the presence of a catalyst consisting essentially of (a) at least one metal compound of the formula M(X) n ...
3952023 Method for preparing adduct of butadiene polymer or copolymer and α, β-ethylenically unsaturated dicarboxylic acid compound  
In a method for preparing an adduct of (A) a butadiene lower polymer or butadiene lower copolymer and (B) a α,β-ethylenically unsaturated dicarboxylic acid compound, said method is characterized...
3946066 Dimerisation process and catalyst  
A ruthenium catalyst of improved performance for the dimerisation and hydrodimerisation of olefinically unsaturated compounds, especially acrylonitrile, is obtained by co-precipitating a ruthenium...
3890365 Organic reduction process  
αβ-OLEFINICALLY UNSATURATED NITRILES OR ESTERS ARE REDUCTIVELY DIMERISED BY MEANS OF AN ALKALI METAL AMALGAM IN A HOMOGENOUS ORGANIC REACTION PHASE COMPOSED OF THE NITRILE OR ESTER, AN AGENT...
3855278 POLYBASIC UNSATURATED CARBOXYLIC ACID ESTERS  
A process for producing higher polybasic and polyunsaturated carboxylic acid esters comprising reacting a conjugated diolefin with a carboxylic acid ester in the presence of an organometallic...
3853961 PROCESS FOR THE PRODUCTION OF DICARBOXYLIC ACID ESTERS AND THE CORRESPONDING DICARBOXYLIC ACIDS  
Dicarboxylic acid esters are obtained by reacting 1 mol of a compound corresponding to the general formula ##SPC1## In which R represents hydrogen or a methyl group and R 1 represents hydrogen or...
3759983 COUPLING OF ORGANIC COMPOUNDS  
A process for the reductive coupling of a compound having the formula ##SPC1## wherein X is C1, Br, or I, R is H or lower alkyl, and A is ##SPC2## or --CONR 2 , using as reducing agent a zero...
3720710 CARBONYL COMPOUNDS FROM ALLENE AND ITS DERIVATIVES  
Organic carbonyl compounds containing at least five carbon atoms are prepared by reacting an organic carbonyl compound having at least one hydrogen alpha to the carbonyl group with an acyclic...
3671568 PRODUCTION OF ADIPONITRILE  
BACKGROUND OF THE INVENTION This invention relates to a process for the reductive coupling of particular halo organic compounds and in particular provides a process for the preparation of valuable...
3549685 PROCESS FOR THE HYDRODIMERISATION OF ALPHA,BETA-MONO-OLEFINIC NITRILES AND ESTERS OF ALPHA,BETA-MONO-OLEFINIC CARBOXYLIC ACIDS  
3547975 PROCESS FOR THE HYDRODIMERIZATION OF ACRYLIC ACID DERIVATIVES  
3542846 AMALGAM PROCESS FOR PREPARING ADIPONITRILE FROM ACRYLONITRILE  
3542845 AMALGAM PROCESS FOR PRODUCING ADIPONITRILE FROM ACRYLONITRILE  
Matches 1 - 50 out of 89 1 2 >