Ernst Urmann
4Patents
3h-index
7Co-inventors
43Inventor score
Filing activity: Apr 14, 1976 → Nov 14, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4046855A | Method for removing harmful organic compounds from aluminate liquors of the Bayer process | Chemistry; Metallurgy | 18 | Expired |
| US5204414A | Salts of polyalkyl vinyl ether maleic anhydride and dental prosthesis adhesive produced therefrom | Chemistry; Metallurgy | 16 | Expired |
| US5047490A | High molecular weight copolymers of maleic anhydride and methyl vinyl ether | Chemistry; Metallurgy | 5 | Expired |
| US5187308A | Process for the production of low viscosity copolymers from maleic acid monoalkyl esters and vinyl alkyl ethers | Chemistry; Metallurgy | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.