Inventor

FIELDS ELLIS K

US78 patents

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FIELDS ELLIS K

STANDARD OIL CO INDIANA

Silver catalysts

2-hydroxy-3-alkylsulfoxypropyl-1 esters of arene polycarboxylic acids

Polyphenylcarboxylic acid adamantane compounds and polymers prepared therefrom

Carbamates of beta-hydroxyethylsulfoxides

Poly sulfoxides from 1,3,4-thiadiazole-2,5-dithiol

Polyimides and polyimide-amides

Class of Friedel-crafts catalysts

Copolyimides-polyamides from aliphatic and aromatic anhydrides, dicarboxylic acids, and diamines

Polyimides-polyamides from tricyclo [4.2.1.02,5 ] nonane-3,4-dimethyl-3,4,7,8-tetracarboxylic acid dianhydride and dicarboxylic acids

Fibers and filled molding compositions from copolyimides and polyimides derived from tetramethylcyclobutane-1,2,3,4-tetracarboxylic dianhydride and diamines

Copolyimides from aliphatic and aromatic anhydrides and diamines

Tricyclo[6.4.0.02,7 ]-dodecane-1,8,2,7-tetracarboxylic acid dianhydride and polyimides therefrom

Polyimides from tetramethylcyclobutane-1,2,3,4,-tetracarboxylic dianhydride and diamines

Thiocarbamates of 1,3,4-thiadiazole-2,5-dithiol

Production of mercaptans

Hexa(meta-,para-carboxyphenyl)benzene compounds

Beta-alkyl (or aryl) beta-hydroxyethyl heterocyclic sulfoxides

Process for dimerization, arylation and trifluoromethylation of aromatic and heterocyclic compounds

Oxidation catalyst and process

Dibenzofuran-2,3,6,7-tetracarboxylic acid dianhydride

Halomethyl, methyl maleic anhydride and synthesis of bromomethyl, methyl maleic anhydride

Disubstituted maleic anhydride compounds

Disubstituted maleic anhydride compounds

Method of making high purity monomers from dicarboxylic acid monoesters and resultant polymers

Polyamide acids and polyesterimides from 1,3-adamantylene-bis-trimellitate dianhydrides

1,3-Adamantylene-bis-trimellitate dianhydrides

Process for preparation of fuel additives from acetylene

Process for electrolytic synthesis of polyalkylbiphenylpolycarboxylic acid compounds

Phosphites and phosphates of 3-sulfoxy-1,2-propylene glycols

3-Sulfoxy-1,2-propylene glycols-1-esters of tricyclo (4.2.2.02,5) dec-9-ene-3,4,7,8-tetracarboxylic acid

Nonaromatic dianhydride and polyimides from tricyclo[4.2.1.02,5 ] nonane-3,4-dimethyl-3,4,7,8-tetracarboxylic acid dianhydride

Adducts of 1-cyclohexene-1,2-dicarboxylic anhydride with olefins

Fibers from copolyimides and polymidies derived from tetramethylcyclobutane-1,2,3,4-tetracarboxylic dianhydride and diamines

Polyimides-amides and copolyimides-polyamides from tetramethylcyclobutane-1,2,3,4-tetracarboxylic dianhydride, dicarboxylic acids and a mixture of diamines

Certain substituted cyclobutane dicarboxylic acid anhydrides

Adducts of 1-cyclohexene-1,2-dicarboxylic anhydride with olefins

Copolyimides from tetramethylcyclobutane-1,2,3,4-tetracarboxylic dianhydride and a mixture of diamines

Novel nonaromatic dianhydride and polyimides from tricyclo [4.2.1.02,5 ] nonane-3,4 dimethyl-3,4,7,8-tetracarboxylic acid dianhydride

Polyimides from tricyclo dodecane-3,6-diphenyl-1,8,4,5-tetracarboxylic acid dianhydride and tricyclo dodecane tetracarboxylic acid anhydride

2,3-Di-(carboxyphenyl)oxirane compounds and polymers

Process for trifluoromethylation of aromatic and heterocyclic compounds

Beta-phosphosulfoxy alcohols

Imide nitrogen dibenzofurans polymers

Silver catalysts

Oxidation catalyst and process

Catalyzed trans-acidolysis reaction of trimellitic acid, trimellitic anhydride and 2-naphthoic acid

STANDARD OIL CO

Pyrolysis compositions from silver salts of polycarboxylic acids

Vapor phase conversion of aromatic esters to aromatic aldehydes

Process for beta-hydroxyalkylsulfoxides

AMOCO CORP

Acid anhydrides and dianhydrides of disubstituted maleic anhydrides