James Barren
14Patents
6h-index
36Co-inventors
66Inventor score
Filing activity: Mar 13, 1991 → May 28, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5132423A | Method for conducting organic reactions using guanidinium salt as phase transfer catalyst | Chemistry; Metallurgy | 31 | Expired |
| US6133360A | Polycarbonate resin blends containing titanium dioxide | Chemistry; Metallurgy | 23 | Expired |
| US6008374A | Process for preparing bis (ether anhydrides) using alkylamine derived bisimides having low melting temperatures | Chemistry; Metallurgy | 13 | Expired |
| US5536846A | Process for preparing bis(ether anhydrides) using alkylamine derived bisimides having low melting temperatures | Chemistry; Metallurgy | 10 | Expired |
| US5719295A | Process for preparing bis(ether anhydrides) using alkylamine derived bisimides having low melting temperatures | Chemistry; Metallurgy | 7 | Expired |
| US6063844A | Polycarbonate/rubber-modified graft copolymer resin blends having improved thermal stability | Chemistry; Metallurgy | 6 | Expired |
| US5936099A | Process for preparing BIS(ether anhydrides) using alkylamine derived bisimides having low melting temperature | Chemistry; Metallurgy | 6 | Expired |
| US6868371B1 | System and method to quantify appearance defects in molded plastic parts | Performing Operations; Transporting | 4 | Expired |
| US6084054A | Flame retardant polycarbonate resin/ABS graft copolymer blends having low melt viscosity | Chemistry; Metallurgy | 4 | Expired |
| US5786411A | Light resistant compositions of polycarbonate and graft copolymer resins | Chemistry; Metallurgy | 3 | Expired |
| US6539278B1 | Method and apparatus for resin formulations with improved streaking performance | Performing Operations; Transporting | 1 | Expired |
| US8247615B2 | Process of converting esterified xanthophylls from Capsicum to non-esterified xanthophylls in high yields and purities | Chemistry; Metallurgy | 0 | Active |
| US8716533B2 | Methods of saponifying xanthophyll esters and isolating xanthophylls | Chemistry; Metallurgy | 0 | Active |
| US6734972B2 | Predicting material color shifts due to weathering | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.