John M. Wefer
14Patents
7h-index
15Co-inventors
63Inventor score
Filing activity: Aug 9, 1982 → Nov 16, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7569630B2 | β-Crystalline polypropylenes | Chemistry; Metallurgy | 24 | Active |
| US4485212A | Impact resistant blend of polybutylene terephthalate resin and OSA graft copolymer | Chemistry; Metallurgy | 14 | Expired |
| US4438171A | Coextruded product of AES-thermoplastic graft copolymer | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4550138A | Polycarbonate compositions with improved low temperature impact strength | Chemistry; Metallurgy | 11 | Expired |
| US4493921A | Impact resistant blend | Chemistry; Metallurgy | 11 | Expired |
| US4444840A | Calendered AES film | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4780506A | Impact resistant polyethylene terephthalate/polycarbonate blends | Chemistry; Metallurgy | 10 | Expired |
| US4895899A | Impact resistant polyethylene terephthalate/polycarbonate/polyethylene graft copolymer blends | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4814381A | Impact resistant polyethylene terephthalate/polycarbonate blends | Chemistry; Metallurgy | 2 | Expired |
| US6573339B1 | In situ preparation of bis-(benzothiazolesulfen)amide in a polymeric matrix | Chemistry; Metallurgy | 1 | Expired |
| US7825180B2 | Thermoplastic blend compositions as soft coupling agents | Chemistry; Metallurgy | 1 | Active |
| US7585909B2 | β-crystalline polypropylenes | Chemistry; Metallurgy | 1 | Active |
| US7217765B2 | Styrenic polymer composites | Chemistry; Metallurgy | 0 | Expired |
| US7572849B2 | Urea phenyl derivatives and their use as polypropylene nucleating agents | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.