Inventor · disambiguated record
William R. Darnell
Also filed as: DARNELL WILLIAM R · DARNELL WILLIAM RONALD
28 granted patents·2 pending applications·354 citations·filing 1974–2002
97Inventor score
Top patents by PatentIndex Score
30 records- 0192US6306946B1Liquid crystalline polyesters having a surprisingly good combination of a low melting point, a high heat distortion temperature, a low melt viscosity, and a high tensile elongationEASTMAN CHEM CO·Filed 2000·Granted Oct 23, 2001·30 cites·28 claims
- 0291US5654395AReinforced polyester compositions and method of making sameEASTMAN CHEM CO·Filed 1991·Granted Aug 5, 1997·51 cites·6 claims
- 0390US4533729AProcess for the preparation of polycarbonate polyolsEASTMAN KODAK CO·Filed 1983·Granted Aug 6, 1985·46 cites·20 claims
- 0484US4338422APreparation of polyesters and poly(ester-carbonates) by acidolysis of aromatic polycarbonatesEASTMAN KODAK CO·Filed 1981·Granted Jul 6, 1982·31 cites·9 claims
- 0582US6417239B1Methods of making modified condensation polymersEASTMAN CHEM CO·Filed 2000·Granted Jul 9, 2002·16 cites·22 claims
- 0673US5969083ALiquid crystalline polyesters having a surprisingly good combination of a low melting point, a high heat distortion temperature, a low melt viscosity, and a high tensile elongationEASTMAN CHEM CO·Filed 1998·Granted Oct 19, 1999·19 cites·27 claims
- 0770US6403698B1Polyamide/emulsion polymer blendsEASTMAN CHEM CO·Filed 2000·Granted Jun 11, 2002·7 cites·16 claims
- 0869US6348163B1Liquid crystalline polyesters compositions containing aromatic phosphonites and a process for the preparation thereofEASTMAN CHEM CO·Filed 1998·Granted Feb 19, 2002·21 cites·90 claims
- 0969US4342862APolyesters of trans-1,4-cyclohexanedicarboxylic acid and 2-phenylhydroquinone and modifications thereofEASTMAN KODAK CO·Filed 1981·Granted Aug 3, 1982·18 cites·8 claims
- 1067US4327206AProcess for preparing poly-1,4-cyclohexanedicarboxylate polyesters having high trans isomer contentEASTMAN KODAK CO·Filed 1981·Granted Apr 27, 1982·16 cites·9 claims
- 1165US6353052B1Amide-type polymer/silicone polymer blends and processes of making the sameEASTMAN CHEM CO·Filed 2000·Granted Mar 5, 2002·5 cites·12 claims
- 1263US5962622AProcess for preparing the polycarbonate of 2,2,4,4-tetramethyl-1,3-cyclobutanediolEASTMAN CHEM CO·Filed 1997·Granted Oct 5, 1999·16 cites·35 claims
- 1359US4820794AProcess for preparing polyketone in the presence of perfluoroalkyl sulfonic acid and oxide of phosphorusEASTMAN KODAK CO·Filed 1987·Granted Apr 11, 1989·11 cites·16 claims
- 1454US3931073AHot melt compositionsEASTMAN KODAK CO·Filed 1974·Granted Jan 6, 1976·10 cites·16 claims
- 1551US4350805AProcess for the preparation of poly(ester-carbonates)EASTMAN KODAK CO·Filed 1980·Granted Sep 21, 1982·9 cites·5 claims
- 1648US5066766AProcess for the preparation of poly(ester-carbonates)EASTMAN KODAK CO·Filed 1990·Granted Nov 19, 1991·6 cites·6 claims
- 1746US4507256AProcess for foaming cellulose acetate rodEASTMAN KODAK CO·Filed 1983·Granted Mar 26, 1985·7 cites·7 claims
- 1846US2002107319A1Polyamide/emulsion polymer blendsEASTMAN CHEM CO·Filed 2002·Application pending·0 cites
- 1945US4079047APolyesters containing a critical range of suberic acidEASTMAN KODAK CO·Filed 1976·Granted Mar 14, 1978·8 cites·2 claims
- 2043US2002035200A1Amide polymer/silicone polymer blendsEASTMAN CHEM CO·Filed 2001·Application pending·0 cites
- 2142US6037436AProcess for preparing poly (2,2,4,4-tetramethyl-1,3-cyclobutylene carbonate)EASTMAN CHEM CO·Filed 1997·Granted Mar 14, 2000·6 cites·44 claims
- 2240US6255437B1Process for preparing poly (2,2,4,4-tetramethyl-1,3-cyclobutylene carbonate)EASTMAN CHEM CO·Filed 1999·Granted Jul 3, 2001·5 cites·26 claims
- 2339US4623675AAromatic poly(ether-carbonate) containing ethyleneoxy and arylene oxy moietiesEASTMAN KODAK CO·Filed 1985·Granted Nov 18, 1986·3 cites·4 claims
- 2439US4551521ALow-melting copolyester adhesivesEASTMAN KODAK CO·Filed 1984·Granted Nov 5, 1985·4 cites·7 claims
- 2538US5856553ACarbonic acid 3-methoxycarbonyloxy-2,2,4,4-tetramethyl-cyclobutyl ester methyl ester and method of making thereforEASTMAN CHEM CO·Filed 1997·Granted Jan 5, 1999·1 cites·24 claims
- 2636US5260409ALiquid crystalline polyesterEASTMAN KODAK CO·Filed 1992·Granted Nov 9, 1993·2 cites·19 claims
- 2736US4360648AProcess for the preparation of polyesters and poly(ester-carbonates)EASTMAN KODAK CO·Filed 1980·Granted Nov 23, 1982·3 cites·8 claims
- 2833US6114474AProcess for deactivating polycarbonate catalyst residuesEASTMAN CHEM CO·Filed 1997·Granted Sep 5, 2000·2 cites·29 claims
- 2932US4743630APoly(ester-ether-carbonate)EASTMAN KODAK CO·Filed 1986·Granted May 10, 1988·1 cites·4 claims
- 3029US6180748B1Process for deactivating alkali metal catalyst residues in poly(2,2,4,4-tetramethyl-1,3-cyclobutylene carbonate residuesEASTMAN CHEM CO·Filed 1997·Granted Jan 30, 2001·0 cites·37 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →