Germain Costerousse
14Patents
8h-index
8Co-inventors
61Inventor score
Filing activity: Apr 11, 1979 → Apr 27, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4386085A | Novel steroids | Chemistry; Metallurgy | 60 | Expired |
| US4447424A | Steroid derivatives | Chemistry; Metallurgy | 46 | Expired |
| US4477445A | 3-Keto-19-nor-.DELTA.4,9-steroids | Chemistry; Metallurgy | 39 | Expired |
| US4519946A | Steroids | Chemistry; Metallurgy | 23 | Expired |
| US4540686A | 3-Keto-19-nor-.DELTA..sup.4,9 -steroids | Chemistry; Metallurgy | 22 | Expired |
| US4753932A | Novel 10-substituted steroids | Chemistry; Metallurgy | 16 | Expired |
| US5064822A | Novel 3-keto-19-nor-.DELTA..sup.4,9 -steroids | Chemistry; Metallurgy | 15 | Expired |
| US4257948A | Novel epoxidation agent and process | Chemistry; Metallurgy | 8 | Expired |
| US4978657A | Novel 11.beta.-substituted-19-nor-steroids | Chemistry; Metallurgy | 8 | Expired |
| US5182381A | Intermediates for 3-keto-19-nor-.DELTA..sup.4,9 -steroids | Chemistry; Metallurgy | 6 | Expired |
| US5043332A | Novel 11.beta.-substituted -19-nor-steriods | Chemistry; Metallurgy | 6 | Expired |
| US4908359A | 1-dethia-2-thia-cephalosporanic acids | Human Necessities | 4 | Expired |
| US5663164A | 1-dethia-2-thia-cephalosporanic acids | Emerging Cross-Sectional Technologies | 0 | Expired |
| US4303654A | Novel 21-chloro-20-acetylenic steroids | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.