Charles L. Edwards
39Patents
13h-index
27Co-inventors
81Inventor score
Filing activity: Nov 20, 1979 → Jul 9, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6153790A | Method to produce aromatic dicarboxylic acids using cobalt and zirconium catalysts | Emerging Cross-Sectional Technologies | 77 | Expired |
| US4765459A | Integrated keyholder/container | Emerging Cross-Sectional Technologies | 37 | Expired |
| US5057627A | Alkoxylation process catalyzed by phosphate salts of the rare earth elements | Chemistry; Metallurgy | 36 | Expired |
| US4721817A | Preparation of nonionic surfactants | Chemistry; Metallurgy | 28 | Expired |
| US4721816A | Preparation of nonionic surfactants | Chemistry; Metallurgy | 27 | Expired |
| US4375564A | Alkoxylation process | Chemistry; Metallurgy | 25 | Expired |
| US4665236A | Alkoxylation process using bimetallic oxo catalyst | Chemistry; Metallurgy | 20 | Expired |
| US4465877A | Magnesium catalyzed alkoxylation of alkanols in the presence of alkoxylate reaction activators | Chemistry; Metallurgy | 17 | Expired |
| US4396779A | Alkanol alkoxylate preparation | Chemistry; Metallurgy | 17 | Expired |
| US4575569A | Alkoxylation of thiols in the presence of a reaction promoter | Chemistry; Metallurgy | 14 | Expired |
| US7148375B2 | Branched primary alcohol compositions and derivatives thereof | Chemistry; Metallurgy | 13 | Expired |
| US5352251A | Fuel compositions | Chemistry; Metallurgy | 13 | Expired |
| US6706931B2 | Branched primary alcohol compositions and derivatives thereof | Chemistry; Metallurgy | 13 | Expired |
| US5059719A | Alkoxylation process using catalyst of the lanthanum series | Chemistry; Metallurgy | 11 | Expired |
| US5837867A | Fuel compositions | Chemistry; Metallurgy | 10 | Expired |
| US4689435A | Alkoxylation process using bimetallic oxo catalyst | Chemistry; Metallurgy | 10 | Expired |
| US5057628A | Alkoxylation process catalyzed by compounds of the rare earth elements | Chemistry; Metallurgy | 9 | Expired |
| US4931205A | Tertiary thiol ethoxylate compositions | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6221967A | Preformed multi-acid adducts useful for grafting polyolefin polymers | Chemistry; Metallurgy | 6 | Expired |
| US4496776A | Epoxide isomerization process | Chemistry; Metallurgy | 6 | Expired |
| US5468187A | Peanut cleaner | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7141539B2 | Process for producing detergent molecules comprising an ether linkage from butadiene | Chemistry; Metallurgy | 4 | Expired |
| US6891056B2 | Branched primary alcohol compositions and derivatives thereof | Chemistry; Metallurgy | 4 | Expired |
| US6953766B2 | Preparation of efficient REPO and LAPO catalysts | Chemistry; Metallurgy | 4 | Expired |
| US6448333B1 | Polyfunctional polyolefins | Chemistry; Metallurgy | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.