Douglas L. Rector
12Patents
5h-index
9Co-inventors
55Inventor score
Filing activity: Jun 25, 1975 → Apr 3, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4954490A | 11 .beta.-substituted progesterone analogs | Chemistry; Metallurgy | 47 | Expired |
| US5073548A | 11 .beta.-substituted progesterone analogs | Chemistry; Metallurgy | 39 | Expired |
| US4001256A | Pyridylalkyl phenyl ureas and their N-oxides | Chemistry; Metallurgy | 33 | Expired |
| US4978670A | Anthelmintic quaternaryalkyl acylhydrazones, method of use and compositions | Chemistry; Metallurgy | 26 | Expired |
| US5023334A | Anthelmintic pyridinyl acylhydrazones | Chemistry; Metallurgy | 14 | Expired |
| US4112100A | Methods of use of pyridylalkyl phenylthioureas | Chemistry; Metallurgy | 5 | Expired |
| US4008326A | Substituted ureas and thioureas and pharmaceutical compositions thereof | Chemistry; Metallurgy | 4 | Expired |
| US4088766A | Urea containing compositions and methods | Chemistry; Metallurgy | 3 | Expired |
| US5011932A | Anthelmintic pyridinyl acylhydrazones derivatives | Chemistry; Metallurgy | 2 | Expired |
| US4870082A | Anthelmintic quinolinyl acylhydrazones, method of use and compositions | Chemistry; Metallurgy | 2 | Expired |
| US4069224A | Novel benzamides | Chemistry; Metallurgy | 1 | Expired |
| US5049561A | Anthelmintic acylhydrazones, method of use and compositions | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.