Andrew D. Batcho
21Patents
8h-index
15Co-inventors
72Inventor score
Filing activity: Mar 31, 1975 → Aug 25, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4508651A | Synthesis of 1.alpha.,25-dihydroxyergocalciferol | Chemistry; Metallurgy | 30 | Expired |
| US3976639A | Intermediates for indoles | Chemistry; Metallurgy | 27 | Expired |
| US4310467A | Process and intermediates for the synthesis of vitamin D.sub.3 metabolites | Chemistry; Metallurgy | 17 | Expired |
| US5939408A | Vitamin D.sub.3 analogs | Human Necessities | 17 | Expired |
| US4316847A | Pyrroles and pyrrolidines | Chemistry; Metallurgy | 13 | Expired |
| US5120722A | Trihydroxy-cholecacliferol and trihydroxy-ergocalciferol for treating leukemia | Chemistry; Metallurgy | 13 | Expired |
| US4073795A | Synthesis of tryptophans | Chemistry; Metallurgy | 8 | Expired |
| US4140697A | Lower alkyl esters of .alpha.-formamido,.alpha.-carbalkoxy tryptophans | Chemistry; Metallurgy | 8 | Expired |
| US4595776A | Synthesis of 1.alpha.,25-dihydroxyergocalciferol | Chemistry; Metallurgy | 7 | Expired |
| US4929609A | 25, 28-dihydroxyergocalciferol and 1,25,28-trihydroxyergocalciferol compositions thereof and their use in the treatment of hyperproliferative disease | Chemistry; Metallurgy | 7 | Expired |
| US4137404A | Synthesis of tryptophans | Chemistry; Metallurgy | 7 | Expired |
| US4256641A | Novel syntheses of tryptophans | Chemistry; Metallurgy | 6 | Expired |
| US6331642A | Vitamin D3 analogs | Human Necessities | 6 | Expired |
| US4360470A | Process and intermediates for the synthesis of Vitamin D.sub.3 metabolites and chenodeoxycholic acid | Chemistry; Metallurgy | 5 | Expired |
| US4198501A | Synthesis of tryptophans | Chemistry; Metallurgy | 4 | Expired |
| US4506078A | 7-Nitroindoles | Chemistry; Metallurgy | 3 | Expired |
| US6452028B1 | Vitamin D3 analogs | Human Necessities | 3 | Expired |
| US6329538A | Vitamin D3 analogs | Human Necessities | 2 | Expired |
| US5110958A | Compounds, process and intermediates | Chemistry; Metallurgy | 1 | Expired |
| US4176230A | 5-(6-Alkylindol-3-ylmethylene)-1,3-dimethyl-2-(methylimino)- 4-imidazolidinones | Chemistry; Metallurgy | 0 | Expired |
| US6040461A | Synthesis of 3-epi vitamin D.sub.3 metabolites and analogs | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.