Bruce E. Witzel
50Patents
13h-index
40Co-inventors
84Inventor score
Filing activity: Aug 23, 1974 → May 12, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4798823A | "New cyclosporin analogs with modified ""C-9 amino acids""" | Emerging Cross-Sectional Technologies | 82 | Expired |
| US4038396A | Anti-inflammatory oxazole[4,5-b]pyridines | Chemistry; Metallurgy | 56 | Expired |
| US5610162A | Ester derivatives of 4-aza-steroids | Chemistry; Metallurgy | 46 | Expired |
| US5536727A | 17-Ethers and thioethers of 4-aza-steroids | Chemistry; Metallurgy | 42 | Expired |
| US4885276A | "Cyclosporin analogs with modified ""C-9 amino acids""" | Human Necessities | 40 | Expired |
| US4149983A | Antimicrobial additive for metal working fluids | Chemistry; Metallurgy | 28 | Expired |
| US4172094A | Polyamine compounds | Chemistry; Metallurgy | 20 | Expired |
| US4800211A | 5-methylthio-3-hydroxybenzo [b]thiophene-2-carboxamide derivatives as cyclooxygenase and lipoxygenase inhibitors | Chemistry; Metallurgy | 18 | Expired |
| US3956363A | Substituted indenyl acetic acids | Chemistry; Metallurgy | 17 | Expired |
| US4342872A | 2-(Substitutedpiperidylmethyl) propene and propane nitriles | Chemistry; Metallurgy | 14 | Expired |
| US4145426A | Anti-microbial piperidino butan-2-ones | Chemistry; Metallurgy | 14 | Expired |
| US5693809A | Substituted 4-aza-5.alpha.-androstan-ones as 5.alpha.-reductase inhibitors | Chemistry; Metallurgy | 13 | Expired |
| US4402959A | Antimicrobial compositions | Human Necessities | 13 | Expired |
| US4131677A | Anti-inflammatory oxazolo [5,4-b]pyridines | Chemistry; Metallurgy | 11 | Expired |
| US4311709A | Loweralkyl substituted diphenyl polyamine as an antimicrobial agent | Human Necessities | 10 | Expired |
| US4070400A | Diphenyl polyamides having a cyclohexylene moiety | Chemistry; Metallurgy | 10 | Expired |
| US5620986A | 17 urea, thiourea, thiocarbamyl and carbamyl4-azasteroid 5-reductase inhibitors useful in the prevention and treatment of hyperandrogenic disorders | Chemistry; Metallurgy | 10 | Expired |
| US4720503A | N-substituted fused-heterocyclic carboxamide derivatives as dual cyclooxygenase and lipoxygenase inhibitors | Chemistry; Metallurgy | 10 | Expired |
| US4536512A | 5-(2,3-Dihydro-1H-pyrrolizin-5-oyl)-2,3-dihyd ro-1H-pyrrolizine-1-alkanoic or carboxylic acids and use thereof as anti-inflammatory and analgesic agents | Chemistry; Metallurgy | 10 | Expired |
| US4119779A | 1,3,5-S-Hexahydrotrisubstituted triazines | Chemistry; Metallurgy | 10 | Expired |
| US4663344A | Anti-inflammatory and analgesic 3-hydroxybenzo[b]thiophene derivatives, compositions, and method of use therefor | Chemistry; Metallurgy | 9 | Expired |
| US4340756A | Polyamine compounds as antibacterial agents | Chemistry; Metallurgy | 9 | Expired |
| US5639741A | 17-amino substituted 4-azasteroid 5.alpha.-reductase inhibitors | Chemistry; Metallurgy | 8 | Expired |
| US4061775A | Polyamine compounds as antibacterial agents | Chemistry; Metallurgy | 7 | Expired |
| US4335141A | 2-Substituted-aminopropene-and propanenitrile antimicrobial and anti-inflammatory agents | Human Necessities | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.