Inventor · disambiguated record
John A. Tyrell
Also filed as: TYRELL JOHN · TYRELL JOHN A
68 granted patents·1,299 citations·filing 1981–2003
99Inventor score
Files withGEN ELECTRIC45EQUISTAR CHEM LP10OCCIDENTAL CHEM CO7LYONDELL PETROCHEM4ARCO CHEMICALS TECHNOLOGY L P1
Top patents by PatentIndex Score
68 records- 0197US6232260B1Single-site catalysts for olefin polymerizationEQUISTAR CHEM LP·Filed 1999·Granted May 15, 2001·123 cites·7 claims
- 0297US5637660APolymerization of α-olefins with transition metal catalysts based on bidentate ligands containing pyridine or quinoline moietyLYONDELL PETROCHEM·Filed 1995·Granted Jun 10, 1997·328 cites·20 claims
- 0397US4532290AStabilized polycarbonate-polyester compositionsGEN ELECTRIC·Filed 1984·Granted Jul 30, 1985·96 cites·15 claims
- 0494US4556688AThermoplastic polyetherimide ester elastomersGEN ELECTRIC·Filed 1985·Granted Dec 3, 1985·59 cites·21 claims
- 0593US5756611Aα-olefin polymerization catalystsLYONDELL PETROCHEM·Filed 1997·Granted May 26, 1998·91 cites·29 claims
- 0691US6376629B2Single-site catalysts for olefin polymerizationEQUISTAR CHEM LP·Filed 2001·Granted Apr 23, 2002·33 cites·3 claims
- 0789US4569973ACopolyetheresters from caprolactoneGEN ELECTRIC·Filed 1984·Granted Feb 11, 1986·39 cites·19 claims
- 0883US4732948ASolid phase polycondensation process for the production of high molecular weight polyetherimide ester polymersGEN ELECTRIC·Filed 1986·Granted Mar 22, 1988·29 cites·25 claims
- 0981US5177181ADiamines and photosensitive polyimides made therefromOCCIDENTAL CHEM CO·Filed 1991·Granted Jan 5, 1993·18 cites·26 claims
- 1078US4778855AThermoplastic molding compositions exhibiting improved melt flow propertiesGEN ELECTRIC·Filed 1986·Granted Oct 18, 1988·28 cites·21 claims
- 1178US4393190ACarbonate copolymers prepared from imide reactantsGEN ELECTRIC·Filed 1981·Granted Jul 12, 1983·26 cites·22 claims
- 1275US4760112AThermoplastic polyetherimide ester polymers exhibiting high flexural modulusGEN ELECTRIC·Filed 1986·Granted Jul 26, 1988·20 cites·32 claims
- 1374US4535108AFlame retardant polycarbonateGEN ELECTRIC·Filed 1981·Granted Aug 13, 1985·10 cites·20 claims
- 1471US4743637AFlame retardant compounds and thermoplastic compositions containing the sameGEN ELECTRIC·Filed 1986·Granted May 10, 1988·9 cites·27 claims
- 1569US6281308B1Olefin polymerization catalysts containing amine derivativesEQUISTAR CHEM LP·Filed 2001·Granted Aug 28, 2001·7 cites·20 claims
- 1668US4740564AThermoplastic polyetherimide estersGEN ELECTRIC·Filed 1986·Granted Apr 26, 1988·15 cites·46 claims
- 1764US5744417ASupported catalystLYONDELL PETROCHEM·Filed 1996·Granted Apr 28, 1998·26 cites·20 claims
- 1864US5015698APolyphenylene ether-polyester copolymers, precursors therefor, compositions containing said copolymers, and methods for their preparationGEN ELECTRIC·Filed 1987·Granted May 14, 1991·17 cites·13 claims
- 1964US4882375APolyesters with modified melt viscosityGEN ELECTRIC·Filed 1988·Granted Nov 21, 1989·13 cites·12 claims
- 2063US4496693ACompatibilization of polycarbonate blendsGEN ELECTRIC·Filed 1983·Granted Jan 29, 1985·15 cites·18 claims
- 2162US5026790APolyester compositions exhibiting enhanced melt viscosityGEN ELECTRIC·Filed 1990·Granted Jun 25, 1991·13 cites·12 claims
- 2261US5747404APolysiloxane supported metallocene catalystsLYONDELL PETROCHEM·Filed 1996·Granted May 5, 1998·13 cites·12 claims
- 2360US4992506ACopolyetherester elastomeric compositionsGEN ELECTRIC·Filed 1988·Granted Feb 12, 1991·17 cites·21 claims
- 2459US6790918B2Transition metal catalysts containing bidentate ligands and method of using and preparing sameEQUISTAR CHEM LP·Filed 2003·Granted Sep 14, 2004·2 cites·7 claims
- 2558US5554684AForming polyimide coating by screen printingOCCIDENTAL CHEM CO·Filed 1994·Granted Sep 10, 1996·31 cites·18 claims
- 2658US5241041APhotocrosslinkable polyimide ammonium saltsOCCIDENTAL CHEM CO·Filed 1991·Granted Aug 31, 1993·10 cites·22 claims
- 2758US4740563ACrosslinked polyetherimide ester polymersGEN ELECTRIC·Filed 1986·Granted Apr 26, 1988·10 cites·31 claims
- 2857US6204216B1Olefin polymerization catalysts containing amine derivativesEQUISTAR CHEM LP·Filed 1999·Granted Mar 20, 2001·10 cites·20 claims
- 2956US4560722AStabilized (poly)ester/(poly)carbonate blendGEN ELECTRIC·Filed 1984·Granted Dec 24, 1985·12 cites·16 claims
- 3055US4861862APolyetherimide amide from polyoxyalkylene diimide dicarboxylic acidGEN ELECTRIC·Filed 1987·Granted Aug 29, 1989·8 cites·11 claims
- 3154US6121183AModified polysiloxane catalysts and a method of using the sameEQUISTAR CHEM LP·Filed 1997·Granted Sep 19, 2000·9 cites·5 claims
- 3254US5317049APolyimidesiloxane solution and method of coating substratesOCCIDENTAL CHEM CO·Filed 1993·Granted May 31, 1994·12 cites·20 claims
- 3353US4714754APolyetherimide estersGEN ELECTRIC·Filed 1986·Granted Dec 22, 1987·8 cites·46 claims
- 3452US6114270APolymerization-stable anionic ancillary ligand containing alkylimido catalysts and method of using the sameEQUISTAR CHEM LP·Filed 1998·Granted Sep 5, 2000·9 cites·6 claims
- 3551US4711933APolyetherimide estersGEN ELECTRIC·Filed 1986·Granted Dec 8, 1987·7 cites·51 claims
- 3651US4371650AFlame retardant polycarbonatesGEN ELECTRIC·Filed 1981·Granted Feb 1, 1983·7 cites·10 claims
- 3750US4403054AStabilized polycarbonate compositionsGEN ELECTRIC·Filed 1981·Granted Sep 6, 1983·7 cites·10 claims
- 3848US5384387AAmine-functionalized polyesterGEN ELECTRIC·Filed 1993·Granted Jan 24, 1995·5 cites·17 claims
- 3948US5112915ACopolyetherester elastomeric compositionsGEN ELECTRIC·Filed 1990·Granted May 12, 1992·13 cites·19 claims
- 4047US5914408AOlefin polymerization catalysts containing benzothiazoleEQUISTAR CHEM LP·Filed 1998·Granted Jun 22, 1999·10 cites·20 claims
- 4146US4407996AStabilized polycarbonate compositionsGEN ELECTRIC·Filed 1981·Granted Oct 4, 1983·6 cites·7 claims
- 4244US4732947ABlock polyetherimide ester polymersGEN ELECTRIC·Filed 1986·Granted Mar 22, 1988·5 cites·28 claims
- 4344US4576982AHydrolytically stabilized polycarbonatesGEN ELECTRIC·Filed 1984·Granted Mar 18, 1986·5 cites·26 claims
- 4444US4362829APolycarbonates stabilized with sulfolane derivativesGEN ELECTRIC·Filed 1981·Granted Dec 7, 1982·5 cites·5 claims
- 4542US5519107AAmine-functionalized polyesterGEN ELECTRIC·Filed 1994·Granted May 21, 1996·3 cites·14 claims
- 4641US4740565AThermoplastic polyetherimide ester polymers exhibiting improved flexular propertiesGEN ELECTRIC·Filed 1986·Granted Apr 26, 1988·4 cites·45 claims
- 4740US4795790AThermoplastic polyetherimide ester polymers exhibiting improved flexibilityGEN ELECTRIC·Filed 1986·Granted Jan 3, 1989·6 cites·32 claims
- 4839US4469852AComposition comprising graft polycarbonatesGEN ELECTRIC·Filed 1983·Granted Sep 4, 1984·6 cites·9 claims
- 4938US4714753AThermoplastic polyetherimide ester elastomers exhibiting improved hydrolytic stabilityGEN ELECTRIC·Filed 1986·Granted Dec 22, 1987·3 cites·35 claims
- 5037US6462153B1Method of polymerizing vinyl chloride monomerOCCIDENTAL CHEM CO·Filed 1996·Granted Oct 8, 2002·3 cites·20 claims
Showing the top 50 of 68 patent records by PatentIndex Score.
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