Christopher E. Newall
14Patents
7h-index
15Co-inventors
55Inventor score
Filing activity: Feb 19, 1974 → Sep 27, 1982
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4258041A | (6R,7R)-7-[(Z)-2-(2-Aminothiazol-4-yl)-2-(2-carboxyprop-2-oxyimino)ac etamido]-3-(1-pyridiniummethyl)-ceph-3-em-4-carboxylate and salts thereof | Emerging Cross-Sectional Technologies | 86 | Expired |
| US3983111A | Steroidal anaesthetics of the pregnane and 19-norpregnane series | Chemistry; Metallurgy | 56 | Expired |
| US3943124A | Chemical compounds | Chemistry; Metallurgy | 44 | Expired |
| US4600772A | Cephalosporin antibiotics | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4464368A | Cephalosporin antibiotics | Chemistry; Metallurgy | 13 | Expired |
| US4621081A | Cephalosporin antibiotics | Chemistry; Metallurgy | 10 | Expired |
| US3959260A | Anaesthetic steroids of the pregnane and 19-norpregnane series having a sulfur-containing group at the 21-position | Chemistry; Metallurgy | 7 | Expired |
| US3953429A | Anaesthetic steroids of the androstance and pregnane series | Chemistry; Metallurgy | 5 | Expired |
| US4427675A | Cephalosporin antibiotics | Chemistry; Metallurgy | 3 | Expired |
| US3969345A | 20.beta.,21-Epoxy-3.alpha.-hydroxy-5.alpha.-pregnanes and derivatives thereof | Chemistry; Metallurgy | 3 | Expired |
| US4504477A | Cephalosporin antibiotics | Human Necessities | 3 | Expired |
| US3952031A | Anaesthetic composition containing a steroid of the 5.alpha.-pregnane series and method of using same | Chemistry; Metallurgy | 2 | Expired |
| US4228074A | Azetidinone derivatives | Chemistry; Metallurgy | 0 | Expired |
| US4290949A | Esters of 2-vinylclav-2-em-3-carboxylic acid and process for preparing same | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.