Inventor · disambiguated record
John M. Wefer
Also filed as: WEFER JOHN · WEFER JOHN M
14 granted patents·3 pending applications·168 citations·filing 1982–2007
92Inventor score
Top patents by PatentIndex Score
17 records- 0195US7569630B2β-Crystalline polypropylenesCHEMTURA CORP·Filed 2006·Granted Aug 4, 2009·30 cites·7 claims
- 0282US7825180B2Thermoplastic blend compositions as soft coupling agentsCHEMTURA CORP·Filed 2006·Granted Nov 2, 2010·4 cites·5 claims
- 0377US4550138APolycarbonate compositions with improved low temperature impact strengthUNIROYAL INC·Filed 1984·Granted Oct 29, 1985·28 cites·9 claims
- 0474US7585909B2β-crystalline polypropylenesCHEMTURA CORP·Filed 2006·Granted Sep 8, 2009·2 cites·5 claims
- 0574US4485212AImpact resistant blend of polybutylene terephthalate resin and OSA graft copolymerUNIROYAL INC·Filed 1983·Granted Nov 27, 1984·24 cites·7 claims
- 0668US4493921AImpact resistant blendUNIROYAL INC·Filed 1984·Granted Jan 15, 1985·19 cites·9 claims
- 0763US4780506AImpact resistant polyethylene terephthalate/polycarbonate blendsUNIROYAL CHEM CO INC·Filed 1987·Granted Oct 25, 1988·16 cites·6 claims
- 0850US7572849B2Urea phenyl derivatives and their use as polypropylene nucleating agentsCHEMTURA CORP·Filed 2005·Granted Aug 11, 2009·0 cites·15 claims
- 0950US4895899AImpact resistant polyethylene terephthalate/polycarbonate/polyethylene graft copolymer blendsUNIROYAL CHEM CO INC·Filed 1987·Granted Jan 23, 1990·11 cites·4 claims
- 1050US2007276096A1Functional polyolefins useful as metal adhesion promotersWEFER JOHN M·Filed 2007·Application pending·0 cites
- 1150US2007208110A1Coupling agents for natural fiber-filled polyolefinsSIGWORTH WILLIAM D·Filed 2007·Application pending·0 cites
- 1245US4438171ACoextruded product of AES-thermoplastic graft copolymerUNIROYAL INC·Filed 1982·Granted Mar 20, 1984·14 cites·7 claims
- 1344US2007259995A1Compatibilizers for composites of PVC and cellulosic materialsFRENKEL PETER·Filed 2006·Application pending·0 cites
- 1442US7217765B2Styrenic polymer compositesCROMPTON CORP·Filed 2003·Granted May 15, 2007·0 cites·14 claims
- 1542US4444840ACalendered AES filmUNIROYAL INC·Filed 1982·Granted Apr 24, 1984·12 cites·3 claims
- 1636US4814381AImpact resistant polyethylene terephthalate/polycarbonate blendsUNIROYAL CHEM CO INC·Filed 1987·Granted Mar 21, 1989·4 cites·2 claims
- 1726US6573339B1In situ preparation of bis-(benzothiazolesulfen)amide in a polymeric matrixUNIROYAL CHEM CO INC·Filed 1999·Granted Jun 3, 2003·4 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →