Hans G. Schmelzer
7Patents
5h-index
13Co-inventors
60Inventor score
Filing activity: May 12, 1978 → Aug 22, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4147714A | Process for the preparation of polyisocyanates which contain biuret groups | Chemistry; Metallurgy | 21 | Expired |
| US4350799A | Thermoplastic ternary molding composition of polyurethane polyphosphonates and polycarbonate resins | Chemistry; Metallurgy | 14 | Expired |
| US5859163A | Allophanate group-containing polyisocyanates improved compatibility with aldimines | Chemistry; Metallurgy | 8 | Expired |
| US4224418A | Compounds containing hydroxyl groups and urethano-aryl-sulfonic acid groups | Chemistry; Metallurgy | 8 | Expired |
| US5166303A | Expandable non-sagging polyurethane compositions | Chemistry; Metallurgy | 6 | Expired |
| US4174434A | Compounds containing hydroxyl groups and urethano-aryl-sulfonic acid groups | Chemistry; Metallurgy | 4 | Expired |
| US5693864A | Process for the production of secondary amine terminated polyethers | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.