William Kirch
12Patents
6h-index
6Co-inventors
55Inventor score
Filing activity: Jan 28, 1974 → Nov 12, 1986
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4395523A | Method of making and recovering olefin polymer particles | Chemistry; Metallurgy | 24 | Expired |
| US4199546A | Manufacture and recovery of olefin polymer particles | Chemistry; Metallurgy | 24 | Expired |
| US3960826A | Olefin polymerization process | Chemistry; Metallurgy | 18 | Expired |
| US4053565A | Silica xerogels | Performing Operations; Transporting | 17 | Expired |
| US4184979A | Catalyst and process of preparing the catalyst | Chemistry; Metallurgy | 13 | Expired |
| US4558105A | Copolymerization of ethylene | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4246137A | Method of preparing zirconia-silica xerogels, the xerogels, and xerogel catalysts | Chemistry; Metallurgy | 6 | Expired |
| US4224428A | Polymerization process | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4791089A | Zirconia-titania-silica tergels and their use as catalyst supports | Chemistry; Metallurgy | 6 | Expired |
| US3978002A | Catalyst useful for olefin polymerization process | Performing Operations; Transporting | 2 | Expired |
| US4590246A | Method of polymerizing olefins | Chemistry; Metallurgy | 2 | Expired |
| USRE31761E | Method of preparing zirconia-silica xerogels, the xerogels, and xerogel catalysts | General | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.