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4670577 |
Novel process
A novel process for the preparation of pent-4-enoic acids of the formula ##STR1## wherein X is selected from the group consisting of hydrogen, cyano and alkoxycarbonyl of 2 to 5 carbon atoms and Y...
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4656237 |
High solids acrylic coating systems
High solids acrylic coating compositions are formulated by using as a reactive diluent, a low molecular weight hydroxyl-containing acrylic polymer. These polymers are prepared at about 15°-20° C....
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4647688 |
Substituted fatty ethers
Fatty ethers are provided which are lower alkyl ethers cyano-substituted lower alkyl ethers, ester ethers or amide ethers of fatty alcohols substituted with at least one of the following...
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4645856 |
Process for the preparation of perdeuterated methacrylates
Perdeuterated methacrylates of a high degree of deuteration can be obtained by a process for the preparation of perdeuterated methacrylates from hexadeuteroacetone by conversion into the...
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4626582 |
Acryloxymethyl substituted fatty compounds
Acryloxymethyl fatty compounds are provided which are useful as monomers in the preparation of radiation curable coatings. The preferred compounds are acrylate or methacrylate esters of...
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4615838 |
Unsaturated compounds and their preparation
Unsaturated compounds of the formula: ##STR1## in which: Q denotes alkyloxycarbonyl, cyano or formyl, R 1 denotes a saturated or unsaturated aliphatic radical, R 2 denotes a hydrogen atom or an...
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4613680 |
Preparation of angelic acid or esters thereof
Angelic acid or esters thereof which are useful as perfume materials are prepared by isomerizing tiglic acid or an ester thereof with an organic sulfinic acid as the catalyst, and novel esters of...
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4587055 |
Polymerized vesicles and compounds for their preparation
Lower-ω-alkenoyloxy-long chain alkanoic anhydrides are synthesized from the ω-hydroxyalkanoic acids and are condensed with glycerophosphatidyl cholines to prepare alkenoyloxyalkanoic esters of...
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4546200 |
2,2-Dinitrobutane-1,4-diol and monoesters
2,2-Dinitrobutane-1,4-diol and 4-monoesters thereof.
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4543417 |
ω,ω-Diacyloxy-2,6-dimethyl-octatrienoates and -octatrienals, their preparation and their use for the synthesis of terpene compounds
ω,ω-Diacyloxy-2,6-dimethyl-octatrienoates and -octatrienals, as novel bifunctional asymmetric C 10 building blocks for terpene syntheses, which possess a formyl or alkoxycarbonyl group at one...
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4542142 |
Insecticidal cyclopropane carboxylic acid derivatives with 3-unsaturated-side chain
Novel isomers and mixtures thereof of cyclopropane carboxylic acid derivatives with a 3-unsaturated side chain of the formula ##STR1## The double bond having Z or E geometry and having insecticidal...
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4529815 |
Preparation of 4-pentenoates
4-Pentenoates are prepared by isomerization of isomeric pentenoates in the presence of a catalyst, by a process in which isomeric pentenoates are treated at elevated temperatures with an acidic ion...
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4529810 |
Preparation of optically-active alpha-substituted carboxylic esters and acids
Optically-active alpha-substituted carboxylic esters are prepared by treating a non-symmetrical ketene with an alcohol in the presence of an optically-active amine catalyst. Hydrolysis of the...
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4520074 |
Polymerizable 3-aroyloxyphenyl carbamates and methods for their preparation and use
Novel polymerizable 3-aroyloxyphenyl carbamates such as 3-benzoyloxyphenyl 2-methacryloxyethylcarbamate form addition polymers which are useful as surface coatings for resinous (especially...
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4513146 |
Method for producing esters from highly hindered carboxylic acids or their salts, and carbonates
Ester is produced by reacting highly hindered carboxylic acid or salt thereof represented by the formula ##STR1## wherein a. R 3 , R 4 , and R 5 are each independently a monovalent organo group,...
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4513349 |
Acrylate-containing mixed ester monomers and polymers thereof useful as capacitor dielectrics
Compositions comprising mixed acrylates and propionates, or the like, of polyhydroxy compounds of the formula R 1 (OH) n , wherein R 1 is an aliphatic or alicyclic radical having about 1-40...
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4507495 |
Process for production of ethyl acrylate
In the process of producing ethyl acrylate by the reaction of ethylene and acrylic acid in the presence of sulfuric acid, using phenolic type inhibitors, soluble manganese or cerium salts are...
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4506095 |
Production of linear alkenoic acids and esters
This invention provides a process for producing alkenoate products in the presence of an ethylaluminum dichloride type catalyst, such as the production of methyl 5-hexenoate by the reaction between...
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4490553 |
Process for production of ethyl acrylate
A process is provided for the continuous production of ethyl acrylate from ethylene and acrylic acid in the presence of sulfuric acid. The process includes the removal of impurities from the...
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4490560 |
Decolorizing polymers of epihalohydrin
Water-clear liquid polymers of epihalohydrin are obtained by passing said polymers or their solutions, that are yellow to dark brown, through a column of amorphous silica.
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4477384 |
Preparation of α-substituted acrylic acids
α-Substituted acrylic acids are prepared from carboxylic acids in high yield and high purity by novel process. The α-substituted acrylic acids are prepared by condensing a fatty acid with...
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4474981 |
Process for preparing an acrylic or methacrylic acid ester
A process for preparing an acrylic or methacrylic acid ester comprising esterifying the acrylic or methacrylic acid with an alcohol in a water-insoluble and non-reactive organic solvent in the...
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4465852 |
Process for the production of carboxylic acid esters
A process for producing carboxylic acid esters by reacting an olefin and a carboxylic acid in the presence of a crystalline metallosilicate catalyst. The catalyst has a mole ratio of silica to...
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4458088 |
Continuous process for the extraction and esterification of carboxylic acid
A continuous process for the production of alkyl esters from carboxylic acids wherein an aqueous stream containing a first carboxylic acid, RCO 2 H, is contacted with an organic stream comprising...
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4446073 |
Process for the reduction of unsaturated carboxylic acids
Unsaturated carboxylic acids may be reduced to an ester or to a corresponding alcohol by treatment with hydrogen in the presence of a reducing catalyst. The reducing catalyst which is used in the...
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4438278 |
Polymerizable ethylenically unsaturated amide compounds
Compounds useful in making crosslinkable polymers having the formula (I): ##STR1## wherein R is hydrogen or methyl; R 1 is cyano or ##STR2## wherein R 2 is alkyl; Z is --X--R 3 --X--or ##STR3##...
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4435594 |
Process for the preparation of methacrylic acid esters
A process for preparing a methacrylic acid ester by reacting methacrylic acid with a lower aliphatic alcohol in the liquid phase using a solid acid catalyst at a molar ratio of alcohol to...
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4434101 |
Inhibitors of SRS-synthesis
Methyl derivatives of arachidonic acid and intermediates thereto have been synthesized. These derivatives are inhibitors of SRS-A synthesis and are useful for treating and preventing allergic...
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4429097 |
Alkyl poly(oxyalkylene) esters of acrylate oligomers and copolymers thereof for thickening purposes
There are disclosed polymerizable alkyl poly(oxyalkylene) esters of an acrylate oligomer and copolymers thereof, especially stable, aqueous dispersions of water-insoluble emulsion copolymers of (1)...
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4424137 |
Acrylic prepolymer and process for encapsulation of photocells
Acrylic prepolymer comprising: from 10 to 50% by weight of units derived from at least one alkyl acrylate, the alkyl group having from 4 to 12 carbon atoms, from 30 to 60% by weight of units...
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4376212 |
Isononyl acrylate monomer composition
An isononyl acrylate monomer composition of acrylates of C 9 alcohols obtained by a hydroformylation and a hydrogenation of C 8 olefins obtained by a dimerization of a butane-butene fraction...
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4374264 |
Process for the preparation of γ-unsaturated carboxylates
The invention concerns a process for the preparation of γ-unsaturated carboxylic acid methyl esters by reacting an allyl alcohol with an excess of trimethyl orthoacetate in the presence of an...
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4351924 |
ω-, and α,ω-Hydroxyhydrocarbyl-(alkyl methacrylate) polymers and process
Alkyl methacrylate polymers which have one or more hydroxyhydrocarbyl end groups and a process for making them employing an anionic initiator followed by hydrolysis. The polyfunctional polymers are...
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4345093 |
Ethylene recovery from ethyl acrylate process
Unreacted ethylene contained in a gaseous light ends stream derived from a process for the production of ethyl acrylate from ethylene and acrylic acid utilizing a sulfuric acid catalyst, is...
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4339597 |
Process for producing 2-pentenoic esters
A process for producing a 2-pentenoic ester which comprises contacting the corresponding 3-pentenoic ester with a composite catalyst composed of magnesia and alumina is disclosed.
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4338239 |
Polyacrylate thickening agents
This invention provides a novel polyacrylate thickening agent which is composed of monomers comprising (1) (meth)acrylic acid, (2) glyceryl allyl ether derivative, and optionally (3) one or more...
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4336201 |
Preparation of electrically conductive carotenoids
A process for the preparation of an electrically conductive polyene, wherein a polyene which contains one or more chain members of the formula where R is hydrogen or methyl, and which contains a...
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4331813 |
Process for making esters of unsaturated acids
Methyl methacrylate or other α-β unsaturated esters are prepared by contacting an oxydehydrogenation-esterification catalyst with a feed mixture of a saturated acid (e.g., isobutyric acid), an...
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4329492 |
Process for production of methacrylic acid esters
A continuous process for producing methacrylic acid ester from methacrylic acid and a lower alcohol containing 1 to 3 carbon atoms utilizing sulfuric acid as a catalyst and a hydrophobic solvent to...
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4327225 |
Process for producing 2-pentenoic ester
A process for producing a 2-pentenoic ester which comprises isomerizing the corresponding 3-pentenoic ester in the presence of a dicyclized amidine is disclosed.
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4320144 |
Fungicidal use of diphenyl esters of alkylenes
The alkylene diphenyl ester compounds having the formula ##STR1## wherein halo is fluorine, chlorine or bromine; R is a radical having not more than 4 carbon atoms, selected from the group...
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4301298 |
Light ends recovery in ethyl acrylate process
A normally liquid hydrocarbon having a minimum boiling point of about 425° F. is utilized to provide the liquid seal in a vacuum pump which intakes a gaseous light ends stream resulting from a...
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4293499 |
Process for producing a carboxylate ester using a supported acidic catalyst
This invention provides a process for producing a carboxylate ester from a monoolefin and a carboxylic acid, in the presence of a solid catalyst comprising a composite of 5-sulfoisophthalic acid...
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4281176 |
Preparation of ethyl carboxylates
Carboxylic acids are esterified with ethylene gas, to effect the formation of ethyl esters, by acid catalysis in the presence of at least one dissociating, inert and stable solvent which increases...
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4280009 |
Continuous production of 2-ethyl-hexyl acrylate free from dioctylether
2-ethyl-hexylacrylate free from dioctylether is produced continuously by reacting acrylic acid and 2-ethyl-hexanol-(1) in a molar ratio of 1:1 to 1:2 at 85° to 140° C. in the presence of an acid...
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4280010 |
Continuous production of alkyl acrylates free from ether
Alkyl acrylates free from ether are made continuously by reacting acrylic acid with a C 1 -C 4 -alkanol, in a molar ratio of 1:1 to 1:2, in liquid phase, at 80° to 130° C., under 100 to 760 mm...
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4276225 |
Decarbalkoxylation of carboxylic acid esters
A carboxylic acid ester activated in α-position by a keto, ester or nitrile group, i.e. of the formula ##STR1## where X is COOR 4 , COR 5 or CN, and the several R's can have various meanings but...
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4267365 |
Process for the preparation of oligomeric acrylic acids
A process for the preparation of an oligomeric acrylic acid of the formula CH 2 CH--COO[CH 2 --CH 2 --COO] n H wherein n represents a number from 1 to 6 is described wherein acrylic acid...
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4258204 |
Acrylate ester monomer production
Acrylate ester monomers are produced in high yield and without polymerization by reacting an α,β-unsaturated organic acid halide and a hydroxyl containing organic compound in the presence of...
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4256675 |
Method for generating super atmospheric pressures of sensitive materials in a gas stream
Apparatus and processes are disclosed for converting sensitive organic compounds such as acrolein, methacrolein, acrylic acid and methacrylic acid from liquid to vapor in admixture with a gas...
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