John J. Charles
12Patents
7h-index
8Co-inventors
59Inventor score
Filing activity: May 20, 1977 → Dec 27, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4469851A | Molding composition | Chemistry; Metallurgy | 34 | Expired |
| US4157325A | PBT molding compositions | Chemistry; Metallurgy | 29 | Expired |
| US4140670A | PBT Injection molding composition | Chemistry; Metallurgy | 20 | Expired |
| US4111893A | Polybutylene terephthalate molding resin | Chemistry; Metallurgy | 19 | Expired |
| US4277391A | Durable polyester molding composition and product | Chemistry; Metallurgy | 10 | Expired |
| US4195000A | Impact modified thermoplastic copolyester | Chemistry; Metallurgy | 10 | Expired |
| US4283326A | PBT Molding compositions containing mica and a composite polymer | Chemistry; Metallurgy | 9 | Expired |
| US5087665A | Toughened, hydrolysis resistant polycarbonate/polyester blends | Chemistry; Metallurgy | 4 | Expired |
| US4195011A | Injection molding compositions | Chemistry; Metallurgy | 4 | Expired |
| US5856413A | Polycarbonate compositions having mold-release properties | Chemistry; Metallurgy | 2 | Expired |
| US7541418B2 | Transparent thermoplastic antimicrobial molding composition | Emerging Cross-Sectional Technologies | 1 | Active |
| US4246377A | Process for increasing molecular weight of polybutylene terephthalate | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.