Willi Eifler
7Patents
3h-index
15Co-inventors
50Inventor score
Filing activity: Nov 21, 1969 → Feb 21, 1985
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3943158A | Urea diisocyanate compositions | Chemistry; Metallurgy | 22 | Expired |
| US4303773A | Process for the production of polyurethane urea elastomers | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4597909A | Process for the production of polyisocyanates | Chemistry; Metallurgy | 4 | Expired |
| US4025557A | Process for the production of polyamines | Chemistry; Metallurgy | 3 | Expired |
| US4189443A | Method for making a polyamine | Chemistry; Metallurgy | 3 | Expired |
| US4115413A | Triaryl-methane dyestuffs | Chemistry; Metallurgy | 2 | Expired |
| US3931320A | Process for the production of aromatic polyamines | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.