Franz Leppmeier
3Patents
2h-index
6Co-inventors
37Inventor score
Filing activity: May 13, 1977 → Nov 23, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5296531A | Pigment preparations | Chemistry; Metallurgy | 6 | Expired |
| US4153784A | Nylon copolymer from piperazine, aliphatic diamine and mixture of aliphatic diacids | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4126414A | Copolyamide and its use for finishing leather and leather substitutes | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.