Emil Scharf
9Patents
8h-index
17Co-inventors
66Inventor score
Filing activity: Nov 11, 1974 → Jul 28, 1994
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5455352A | Preparation of N-(2-hydroxyethyl)-piperazine | Emerging Cross-Sectional Technologies | 84 | Expired |
| US4144123A | Incorporating a crosslinked polyamidoamine condensation product into paper-making pulp | Textiles; Paper | 57 | Expired |
| US4450045A | Preparation of water-soluble, nitrogen-containing condensates and their use in papermaking | Textiles; Paper | 36 | Expired |
| US4371674A | Water soluble crosslinked ethyleneimine grafted polyamidoamine | Chemistry; Metallurgy | 32 | Expired |
| US4328142A | Preparation of water-soluble condensates and their use as crosslinking agents for the preparation of papermaking aids | Textiles; Paper | 18 | Expired |
| US4567303A | Process and apparatus for preparing or reacting alkanolamines | Chemistry; Metallurgy | 16 | Expired |
| US4066494A | Nitrogenous condensation products used as retention aids in papermaking | Textiles; Paper | 15 | Expired |
| US3983268A | Process for surface sizing paper | Chemistry; Metallurgy | 14 | Expired |
| US4277422A | Vulcanization activator | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.