Ronald D. Knudsen
42Patents
17h-index
44Co-inventors
81Inventor score
Filing activity: Apr 11, 1979 → Nov 29, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5856257A | Olefin production | Chemistry; Metallurgy | 92 | Expired |
| US4981831A | Twice-aged porous inorganic oxides, catalysts, and polymerization processes | Chemistry; Metallurgy | 84 | Expired |
| US6380451B1 | Methods for restoring the heat transfer coefficient of an oligomerization reactor | Emerging Cross-Sectional Technologies | 79 | Expired |
| US7157612B2 | Olefin production process | Emerging Cross-Sectional Technologies | 66 | Expired |
| US6660894B1 | Process for upgrading an oligomerization product | Chemistry; Metallurgy | 48 | Expired |
| US5563312A | Olefin production | Performing Operations; Transporting | 44 | Expired |
| US6458905B1 | Complexes of pyridldiimines with vanadium and other transition metals, and their use as olefin oligomerization and polymerization catalysts | Chemistry; Metallurgy | 44 | Expired |
| US5689028A | Process to regulate olefin production by catalyst system inhibition | Emerging Cross-Sectional Technologies | 40 | Expired |
| US6455648B1 | Olefin production | Chemistry; Metallurgy | 40 | Expired |
| US5543375A | Olefin production | Performing Operations; Transporting | 36 | Expired |
| US5115053A | Twice-aged porous inorganic oxides, catalysts, and polymerization processes | Performing Operations; Transporting | 34 | Expired |
| US4482640A | Ethylene oligomerization | Emerging Cross-Sectional Technologies | 34 | Expired |
| US7910670B2 | Methods of preparation of an olefin oligomerization catalyst | Emerging Cross-Sectional Technologies | 32 | Active |
| US4528415A | Ethylene dimerization | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5919996A | Olefin production | Chemistry; Metallurgy | 27 | Expired |
| US7384886B2 | Methods of preparation of an olefin oligomerization catalyst | Chemistry; Metallurgy | 23 | Expired |
| US8049052B2 | System and method of deactivating and quenching an oligomerization catalyst | Emerging Cross-Sectional Technologies | 20 | Active |
| US10435336B2 | Olefin compositions | Chemistry; Metallurgy | 16 | Active |
| US4487847A | Ethylene dimerization | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4518814A | Ethylene oligomeration | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5198512A | Polymerization catalyst and process | Performing Operations; Transporting | 13 | Expired |
| US7718838B2 | Olefin production process | Emerging Cross-Sectional Technologies | 12 | Active |
| US5461126A | Process of polymerizing olefins using organonickel catalyst compositions | Chemistry; Metallurgy | 12 | Expired |
| US7820581B2 | Methods of preparation of an olefin oligomerization catalyst | Chemistry; Metallurgy | 12 | Active |
| US8344198B2 | Process to decrease or eliminate corrosion from the decomposition of halide containing olefin catalysts | Emerging Cross-Sectional Technologies | 11 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.