Thomas K. Schaaf
36Patents
8h-index
6Co-inventors
64Inventor score
Filing activity: May 30, 1973 → Sep 9, 1982
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4011262A | 13,14-Dihydro-15-substituted-.omega.-pentanorprostaglandins of the two series | Performing Operations; Transporting | 38 | Expired |
| US3954741A | N-substituted prostaglandin carboxamides | Chemistry; Metallurgy | 33 | Expired |
| US4152527A | 15-Substituted-.omega.-pentanorprostaglandins | Chemistry; Metallurgy | 24 | Expired |
| US3956284A | Heterocyclic 15-substituted-.omega.-pentanorprostoglandins | Chemistry; Metallurgy | 18 | Expired |
| US3984424A | P-biphenyl esters of 15-substituted-.omega.-pentanorprostaglandins | Chemistry; Metallurgy | 17 | Expired |
| US3974213A | 13,14-Dihydro-15-substituted-.omega.-pentanorprostaglandins | Performing Operations; Transporting | 15 | Expired |
| US3932389A | 2-Descarboxy-2-(tetrazol-5-yl)-11-desoxy-15-substituted-.ome ga.-pentanorprostaglandins | Chemistry; Metallurgy | 15 | Expired |
| US3971826A | 15-Substituted-.omega.-pentanorprostaglandins | Performing Operations; Transporting | 11 | Expired |
| US4097601A | Bone deposition by 2-descarboxy-2-(tetrazol-5-yl)-11-dexosy-16-aryl prostaglandins | Human Necessities | 8 | Expired |
| US4154949A | 11-Desoxy-15-substituted-.omega.-pentanor prostaglandins | Chemistry; Metallurgy | 7 | Expired |
| US4036832A | 15-Substituted-.omega.-pentanorprostaglandins | Chemistry; Metallurgy | 6 | Expired |
| US3980642A | 15-Substitute D-.omega.-pentanorprostaglandins | Chemistry; Metallurgy | 5 | Expired |
| US4035360A | Magnesium salts of 2-descarboxy-2-(tetrazol-5-yl)-11-desoxy-15-substituted-omega-pentanopro staglandins | Chemistry; Metallurgy | 5 | Expired |
| US3943151A | Prostaglandin intermediates | Chemistry; Metallurgy | 4 | Expired |
| US3953466A | 4(Tetrazol-5-yl)-butyltriphenylphosphonium halide compounds | Chemistry; Metallurgy | 3 | Expired |
| US4292444A | Sulfonyl prostaglandin carboxamide derivatives | Chemistry; Metallurgy | 2 | Expired |
| US4122093A | Process for preparing a lactone | Chemistry; Metallurgy | 2 | Expired |
| US4157341A | 11-Desoxy-16-aryloxy-.omega.-tetranorprostaglandins | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4065472A | 5-(2-Carboxythiophen-5-y l)-16-aryloxy-.alpha.-tetranor-.omega.-tetranorprostaglandins | Chemistry; Metallurgy | 1 | Expired |
| US3992438A | Novel prostaglandin intermediates | Chemistry; Metallurgy | 1 | Expired |
| US4102894A | 15-Substituted-.omega.-pentanorprostaglandins | Chemistry; Metallurgy | 1 | Expired |
| US3989736A | Prostaglandin 5-indanyl esters | Chemistry; Metallurgy | 1 | Expired |
| US4074044A | Cyanoprostaglandins | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4113723A | 15-Substituted-.omega.-pentanorprostaglandins | Performing Operations; Transporting | 1 | Expired |
| US4045465A | Cyanoprostaglandins | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.