Richard E. Campbell, Jr.
48Patents
14h-index
55Co-inventors
84Inventor score
Filing activity: Oct 21, 1985 → May 7, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4659685A | Heterogeneous organometallic catalysts containing a supported titanium compound and at least one other supported organometallic compound | Emerging Cross-Sectional Technologies | 142 | Expired |
| US5066741A | Process for preparation of syndiotactic vinyl aromatic polymers | Emerging Cross-Sectional Technologies | 92 | Expired |
| US5015749A | Preparation of polyhydrocarbyl-aluminoxanes | Chemistry; Metallurgy | 90 | Expired |
| US6150297A | Cyclopentaphenanthrenyl metal complexes and polymerization process | Emerging Cross-Sectional Technologies | 72 | Expired |
| US5206197A | Catalyst composition for preparation of syndiotactic vinyl aromatic polymers | Emerging Cross-Sectional Technologies | 61 | Expired |
| US7933165B2 | Connector for seismic cable | Electricity | 38 | Active |
| US8226328B2 | Seismic cable with adjustable buoyancy | Physics | 35 | Active |
| US7491670B2 | Self limiting catalyst composition and propylene polymerization process | Performing Operations; Transporting | 27 | Expired |
| US5045517A | Catalyst and process for preparation of syndiotactic polystyrene | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4774301A | Zirconium containing catalysts and method of use | Chemistry; Metallurgy | 21 | Expired |
| US4808680A | Polymerization of vinyl aromatic monomers using cyclopentadienyl zirconium catalysts | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4665046A | Organoactinide polymer catalysts | Emerging Cross-Sectional Technologies | 19 | Expired |
| USD305322S | Vehicle spare tire cover | General | 17 | Expired |
| US6629714B2 | Modular truck bed storage apparatus | Performing Operations; Transporting | 17 | Expired |
| US6624254B1 | Silane functionalized olefin interpolymer derivatives | Chemistry; Metallurgy | 13 | Expired |
| US8993692B2 | Self limiting catalyst composition for ethylene polymerization | Chemistry; Metallurgy | 13 | Active |
| US6500949B2 | Bridged metal complexes | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6084115A | Diene complexes of group 4 metals and process of preparation | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5196490A | Process for preparation of syndiotactic polystyrene | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6191245A | .alpha.-Olefin/vinylidene aromatic monomer and/or hindered aliphatic or cycloaliphatic vinylidene monomer interpolymers | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6613921B2 | Polycyclic, fused ring compounds, metal complexes and polymerization process | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6258902A | Olefin polymerization process | Chemistry; Metallurgy | 8 | Expired |
| US5077367A | Crystalline syndiotactic copolymers from arylcyclobutene functional monomers and vinyl aromatic monomers | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7553917B2 | Technique for selecting polymerization modifiers cross reference statement | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6627573B2 | Expanded anionic compounds comprising hydroxyl or quiescent reactive functionality and catalyst activators therefrom | Chemistry; Metallurgy | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.