John G. Johansson
6Patents
2h-index
9Co-inventors
40Inventor score
Filing activity: Jun 2, 1986 → Aug 9, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6784170B2 | Synthesis of anti-estrogenic and other therapeutic steroids from 21-hydroxy-19-norpregna-4-en-3-one | Chemistry; Metallurgy | 5 | Expired |
| US5116830A | Stereoisomerically pure 17.alpha.-ethynyl-estra-2-en-17.beta.-ol and the 17.beta. esters thereof, methods of preparation and uses | Chemistry; Metallurgy | 4 | Expired |
| US5391777A | Isolation of steroids containing a 5,7-diene functionality from a sterol mixture | Chemistry; Metallurgy | 2 | Expired |
| US5688780A | Antihypercholesterolemic compounds and related pharmaceutical compositions and methods of use | Chemistry; Metallurgy | 2 | Expired |
| US5510340A | Antihypercholesterolemic compounds and related pharmaceutical compositions and methods of use | Chemistry; Metallurgy | 1 | Expired |
| US7772218B2 | Synthesis of anti-estrogenic and other therapeutic steroids from 21-hydroxy-19-norpregna-4-en-3-one | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.