Werner Pfaff
11Patents
4h-index
13Co-inventors
57Inventor score
Filing activity: Mar 19, 1975 → Mar 2, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4221815A | Benzoic acids, their derivatives and process for preparing them | Chemistry; Metallurgy | 34 | Expired |
| US4181658A | Certain nicotinamido-n-benzoic acid derivatives | Chemistry; Metallurgy | 19 | Expired |
| US3998968A | Benzenesulfonyl ureas and process for their manufacture | Chemistry; Metallurgy | 8 | Expired |
| US4157395A | Benzenesulfonyl ureas | Human Necessities | 4 | Expired |
| US4132795A | Benzenesulfonyl ureas and their use for the treatment of diabetes mellitus | Chemistry; Metallurgy | 4 | Expired |
| US4282318A | .alpha.-Amylase inhibitor from a streptomycete and process for its preparation | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4226764A | .alpha.-Amylase inhibitor from a streptomycete and process for its preparation | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4339436A | .alpha.-Amylase inhibitor from a streptomycete and process for its preparation | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5756811A | Process for the preparation of o-chloromethyl-phenylglyoxylic acid derivatives | Chemistry; Metallurgy | 1 | Expired |
| US8552222B2 | Chemical process for the production of haloalkenone ethers | Chemistry; Metallurgy | 0 | Active |
| US6124493A | Process for the preparation of o-chloromethyl-phenylglyoxylic acid derivatives | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.