Norbert Weimann
10Patents
6h-index
15Co-inventors
59Inventor score
Filing activity: Sep 21, 1976 → Jul 16, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4428983A | Process for the production of microcapsules | Emerging Cross-Sectional Technologies | 51 | Expired |
| US4153775A | Self-crosslinkable polyurethanes | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4592957A | Microcapsules having walls of polyaddition products of water-insoluble polyamines with water-soluble polyisocyanate adducts | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4404251A | Copying systems, a process for their production, and suitable printing inks for both offset and book printing | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4517141A | Production of microcapsules having walls of polyaddition products of water-insoluble polyamines with water-soluble polyisocyanate adducts | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4211699A | Isocyanate adduct diols | Chemistry; Metallurgy | 8 | Expired |
| US4070345A | Monomethylol ether diols and polyurethane solutions prepared therefrom | Chemistry; Metallurgy | 3 | Expired |
| US4804687A | Foamed microbeads and a process for their preparation | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4882362A | Foamed microbeads and a process for their preparation | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5236782A | Microcapsules | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.