Charles E. Koehler
9Patents
7h-index
7Co-inventors
52Inventor score
Filing activity: Jul 29, 1976 → Nov 8, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5312888A | Flexible polyurethane rebond foam having improved tear resistance and method for the preparation thereof | Emerging Cross-Sectional Technologies | 49 | Expired |
| US4246364A | Process for polyisocyanurate foams based on an amide-diol blend | Chemistry; Metallurgy | 21 | Expired |
| US4339343A | Novel process and product | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5290818A | Flexible polyurethane rebond foam having improved tear resistance and method for the preparation thereof | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4904704A | Rigid foams prepared from treated toluene diisocyanate residue | Chemistry; Metallurgy | 13 | Expired |
| US4256802A | Process for polyisocyanurate foams suitable for panels | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4289858A | Polyol-fluorocarbon-aminetriol blend and polyisocyanurate foams therefore | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4104346A | Process for molding a substantially isotropic isocyanate-based polymer foam bun | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4179094A | Portable, expandable mold for fabricating substantially isotropic isocyanate based polymer foam buns | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.