David Randall
14Patents
7h-index
12Co-inventors
59Inventor score
Filing activity: Apr 4, 1985 → Feb 18, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5264462A | Polymeric foams | Chemistry; Metallurgy | 35 | Expired |
| US5869545A | Organic aerogels | Chemistry; Metallurgy | 20 | Expired |
| US5112877A | Polyisocyanate composition | Chemistry; Metallurgy | 18 | Expired |
| US4703069A | Polyether polyols, their manufacture and use in polyurethanes production | Chemistry; Metallurgy | 16 | Expired |
| US4972004A | Polyisocyanate compositions and foam comprising MDI, polymeric MDI, and a prepolymer of MDI | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5112879A | Chemical blowing agent | Chemistry; Metallurgy | 8 | Expired |
| US5730896A | Polymeric foams | Chemistry; Metallurgy | 7 | Expired |
| US5132040A | Chemical blowing agent | Chemistry; Metallurgy | 7 | Expired |
| US5439948A | Process for cellular polymeric products | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5209911A | Method of making metal stannates | Chemistry; Metallurgy | 4 | Expired |
| US5703136A | Polymeric foams | Chemistry; Metallurgy | 4 | Expired |
| US5525697A | Process for cellular polymeric products | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4622156A | Tanning of leather | Chemistry; Metallurgy | 1 | Expired |
| US5342590A | Method of making alkali metal stannates | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.