Denis G. H. Ballard
23Patents
8h-index
32Co-inventors
75Inventor score
Filing activity: Jul 9, 1973 → Aug 24, 1994
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4269628A | Compositions of vermiculite lamellae and solid particulate materials | Emerging Cross-Sectional Technologies | 32 | Expired |
| US3969386A | Organo-metallic compounds | Chemistry; Metallurgy | 20 | Expired |
| US4130687A | Inorganic foam | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4618454A | Conducting polymers | Chemistry; Metallurgy | 17 | Expired |
| US4056669A | Polymerization process | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4324838A | Dry powder compositions of vermiculite lamellae and additives | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4548737A | Conducting polymers | Chemistry; Metallurgy | 11 | Expired |
| US4608303A | Production of articles from minerals | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4849504A | Polymers with vinylic units and aromatic units | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4007247A | Production of fibrils | Textiles; Paper | 8 | Expired |
| US4476296A | Preparation of aromatic polymers from cyclohexa-3,5-diene polymers | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4745237A | Preparation of 1-chloro-1,2,2,2-tetrafluoroethane | Chemistry; Metallurgy | 6 | Expired |
| US5180799A | Process for polymerizing methacrylic acid ester monomers | Chemistry; Metallurgy | 6 | Expired |
| US4536555A | Preparation of aromatic polymers from cyclohexa-3,5-diene polymers | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4981827A | Catalysts | Chemistry; Metallurgy | 3 | Expired |
| US4798742A | Polyaromatics | Chemistry; Metallurgy | 2 | Expired |
| US5079206A | Catalysts | Chemistry; Metallurgy | 2 | Expired |
| US4524198A | Poly(1,2-disubstituted cyclohexa-3,5-dienes | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5081091A | Catalysts | Chemistry; Metallurgy | 1 | Expired |
| UST958013I4 | Polymeric film | General | 1 | Expired |
| UST956004I4 | Ethylene polymers | General | 0 | Expired |
| UST957010I4 | Separation of diluent from polymerization reaction mixture | General | 0 | Expired |
| US5478892A | Polymer blends and compatibilizers | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.