Inventor · disambiguated record
Ellis K. Fields
Also filed as: CEREFICE STEVEN A · FIELDS ELLIS K · PUSKAS IMRE
77 granted patents·504 citations·filing 1971–1990
99Inventor score
Top patents by PatentIndex Score
77 records- 0196US4142036APolyphenylcarboxylic acid adamantane compounds and polymers prepared therefromSTANDARD OIL CO INDIANA·Filed 1976·Granted Feb 27, 1979·46 cites·27 claims
- 0295US4005049ASilver catalystsSTANDARD OIL CO INDIANA·Filed 1975·Granted Jan 25, 1977·65 cites·11 claims
- 0392US4095029A2-hydroxy-3-alkylsulfoxypropyl-1 esters of arene polycarboxylic acidsSTANDARD OIL CO INDIANA·Filed 1977·Granted Jun 13, 1978·39 cites·9 claims
- 0485US4174447AProcess for dimerization, arylation and trifluoromethylation of aromatic and heterocyclic compoundsSTANDARD OIL CO INDIANA·Filed 1975·Granted Nov 13, 1979·13 cites·10 claims
- 0584US4287349ABeta-alkyl (or aryl) beta-hydroxyethyl heterocyclic sulfoxidesSTANDARD OIL CO INDIANA·Filed 1979·Granted Sep 1, 1981·11 cites·5 claims
- 0681US4046779ADibenzofuran-2,3,6,7-tetracarboxylic acid dianhydrideSTANDARD OIL CO INDIANA·Filed 1975·Granted Sep 6, 1977·8 cites·1 claims
- 0776US4360657ATricyclo[6.4.0.02,7 ]-dodecane-1,8,2,7-tetracarboxylic acid dianhydride and polyimides therefromSTANDARD OIL CO INDIANA·Filed 1981·Granted Nov 23, 1982·11 cites·52 claims
- 0876US3935265AVapor phase conversion of aromatic esters to aromatic aldehydesSTANDARD OIL CO·Filed 1974·Granted Jan 27, 1976·10 cites·5 claims
- 0972US4432847APoly sulfoxides from 1,3,4-thiadiazole-2,5-dithiolSTANDARD OIL CO INDIANA·Filed 1976·Granted Feb 21, 1984·18 cites·19 claims
- 1071US3976665A1,3-Adamantylene-bis-trimellitate dianhydridesSTANDARD OIL CO INDIANA·Filed 1975·Granted Aug 24, 1976·5 cites·2 claims
- 1168US4155958ABeta-phosphosulfoxy alcoholsSTANDARD OIL CO INDIANA·Filed 1977·Granted May 22, 1979·6 cites·11 claims
- 1266US4339595AHexa(meta-,para-carboxyphenyl)benzene compoundsSTANDARD OIL CO INDIANA·Filed 1980·Granted Jul 13, 1982·7 cites·10 claims
- 1365US5072003AAcid anhydrides and dianhydrides of disubstituted maleic anhydridesAMOCO CORP·Filed 1990·Granted Dec 10, 1991·14 cites·3 claims
- 1465US4151213AOxidation catalyst and processSTANDARD OIL CO INDIANA·Filed 1977·Granted Apr 24, 1979·5 cites·13 claims
- 1563US4347384AProduction of mercaptansSTANDARD OIL CO INDIANA·Filed 1981·Granted Aug 31, 1982·6 cites·4 claims
- 1661US4414406AClass of Friedel-crafts catalystsSTANDARD OIL CO INDIANA·Filed 1981·Granted Nov 8, 1983·11 cites·14 claims
- 1760US4417045APolyimides and polyimide-amidesSTANDARD OIL CO INDIANA·Filed 1982·Granted Nov 22, 1983·15 cites·16 claims
- 1859US4585897AProcess for preparation of fuel additives from acetyleneSTANDARD OIL CO INDIANA·Filed 1984·Granted Apr 29, 1986·13 cites·7 claims
- 1959US4490545ACyclic dianhydrides prepared from maleic anhydrideSTANDARD OIL CO INDIANA·Filed 1983·Granted Dec 25, 1984·6 cites·19 claims
- 2059US4130719AMethod of making high purity monomers from dicarboxylic acid monoesters and resultant polymersSTANDARD OIL CO INDIANA·Filed 1976·Granted Dec 19, 1978·10 cites·7 claims
- 2157US4188274AProcess for trifluoromethylation of aromatic and heterocyclic compoundsSTANDARD OIL CO INDIANA·Filed 1978·Granted Feb 12, 1980·3 cites·5 claims
- 2257US4066622APolyamide acids and polyesterimides from 1,3-adamantylene-bis-trimellitate dianhydridesSTANDARD OIL CO INDIANA·Filed 1976·Granted Jan 3, 1978·8 cites·8 claims
- 2357US4042531AOxidation catalyst and processSTANDARD OIL CO INDIANA·Filed 1976·Granted Aug 16, 1977·3 cites·8 claims
- 2455US4371701AAdducts of 1-cyclohexene-1,2-dicarboxylic anhydride with olefinsSTANDARD OIL CO INDIANA·Filed 1981·Granted Feb 1, 1983·4 cites·7 claims
- 2552US4391967APolyimides-polyamides from tricyclo [4.2.1.02,5 ] nonane-3,4-dimethyl-3,4,7,8-tetracarboxylic acid dianhydride and dicarboxylic acidsSTANDARD OIL CO INDIANA·Filed 1982·Granted Jul 5, 1983·9 cites·8 claims
- 2650US5003085AAcid anhydrides and dianhydrides of disubstituted maleic anhydridesAMOCO CORP·Filed 1990·Granted Mar 26, 1991·4 cites·9 claims
- 2750US4384071AFibers and filled molding compositions from copolyimides and polyimides derived from tetramethylcyclobutane-1,2,3,4-tetracarboxylic dianhydride and diaminesSTANDARD OIL CO INDIANA·Filed 1981·Granted May 17, 1983·10 cites·38 claims
- 2850US4094912AProcess for converting aromatic aldehydes to phenolic compoundsSTANDARD OIL CO INDIANA·Filed 1976·Granted Jun 13, 1978·4 cites·11 claims
- 2950US3992435AProcess for electrolytic synthesis of polyalkylbiphenylpolycarboxylic acid compoundsSTANDARD OIL CO INDIANA·Filed 1975·Granted Nov 16, 1976·7 cites·12 claims
- 3049US4638072ADisubstituted maleic anhydride compoundsSTANDARD OIL CO INDIANA·Filed 1985·Granted Jan 20, 1987·7 cites·3 claims
- 3149US4526986AHalomethyl, methyl maleic anhydride and synthesis of bromomethyl, methyl maleic anhydrideSTANDARD OIL CO INDIANA·Filed 1983·Granted Jul 2, 1985·10 cites·3 claims
- 3249US4511730ACarbamates of beta-hydroxyethylsulfoxidesSTANDARD OIL CO INDIANA·Filed 1982·Granted Apr 16, 1985·8 cites·5 claims
- 3349US4069271ASilver catalystsSTANDARD OIL CO INDIANA·Filed 1976·Granted Jan 17, 1978·2 cites·3 claims
- 3447US4596867ADisubstituted maleic anhydride compoundsSTANDARD OIL CO INDIANA·Filed 1984·Granted Jun 24, 1986·8 cites·2 claims
- 3547US4536560APolyimides prepared from cyclic dianhydridesSTANDARD OIL CO INDIANA·Filed 1984·Granted Aug 20, 1985·3 cites·20 claims
- 3646US4366304ACopolyimides from aliphatic and aromatic anhydrides and diaminesSTANDARD OIL CO INDIANA·Filed 1981·Granted Dec 28, 1982·7 cites·84 claims
- 3746US4358597AThiocarbamates of 1,3,4-thiadiazole-2,5-dithiolSTANDARD OIL CO INDIANA·Filed 1976·Granted Nov 9, 1982·8 cites·6 claims
- 3846US3933848AProcess for the preparation of phenylamines and carbazolesSTANDARD OIL CO·Filed 1971·Granted Jan 20, 1976·2 cites·5 claims
- 3945US4002648ACatalyzed trans-acidolysis reaction of trimellitic acid, trimellitic anhydride and 2-naphthoic acidSTANDARD OIL CO INDIANA·Filed 1975·Granted Jan 11, 1977·2 cites·4 claims
- 4044US4073794A7,8 Diacyl bicyclo 2.2.2!bis(2,3-dicarboximide) compoundsSTANDARD OIL CO INDIANA·Filed 1976·Granted Feb 14, 1978·1 cites·4 claims
- 4143US4358579APolyimides from tetramethylcyclobutane-1,2,3,4,-tetracarboxylic dianhydride and diaminesSTANDARD OIL CO INDIANA·Filed 1981·Granted Nov 9, 1982·7 cites·20 claims
- 4243US4220746A4-Peroxyester derivatives of trimellitic anhydrideSTANDARD OIL CO INDIANA·Filed 1978·Granted Sep 2, 1980·1 cites·13 claims
- 4341US4427565ANovel class of rust inhibitors for fuels and oilsSTANDARD OIL CO INDIANA·Filed 1983·Granted Jan 24, 1984·1 cites·3 claims
- 4441US4413115ACopolyimides-polyamides from aliphatic and aromatic anhydrides, dicarboxylic acids, and diaminesSTANDARD OIL CO INDIANA·Filed 1982·Granted Nov 1, 1983·6 cites·8 claims
- 4541US4248998A2,3-Di-(carboxyphenyl)oxirane compounds and polymersSTANDARD OIL CO INDIANA·Filed 1979·Granted Feb 3, 1981·5 cites·24 claims
- 4641US4065442APyrolysis compositions from silver salts of polycarboxylic acidsSTANDARD OIL CO·Filed 1974·Granted Dec 27, 1977·6 cites·17 claims
- 4741US4012454AIodination processSTANDARD OIL CO INDIANA·Filed 1975·Granted Mar 15, 1977·1 cites·5 claims
- 4840US4388470ACertain substituted cyclobutane dicarboxylic acid anhydridesSTANDARD OIL CO INDIANA·Filed 1981·Granted Jun 14, 1983·5 cites·3 claims
- 4940US4198350AAmination/demethylation processSTANDARD OIL CO INDIANA·Filed 1976·Granted Apr 15, 1980·1 cites·13 claims
- 5039US4508605ANonaromatic dianhydride and polyimides from tricyclo[4.2.1.02,5 ] nonane-3,4-dimethyl-3,4,7,8-tetracarboxylic acid dianhydrideSTANDARD OIL CO INDIANA·Filed 1982·Granted Apr 2, 1985·4 cites·1 claims
Showing the top 50 of 77 patent records by PatentIndex Score.
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