Frederick E. Durr
15Patents
5h-index
3Co-inventors
55Inventor score
Filing activity: Jun 20, 1977 → Apr 27, 1987
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4197249A | 1,4-Bis(substituted-amino)-5,8-dihydroxyanthraquinones and leuco bases thereof | Human Necessities | 35 | Expired |
| US4258181A | Substituted 9,10-anthracenebishydrazones | Chemistry; Metallurgy | 17 | Expired |
| US4526989A | 1,4-Bis (substituted-amino)-5,8-dihydroxy-anthraquinones and leuco bases thereof | Human Necessities | 9 | Expired |
| US4314061A | Certain 3,6-bis-(heteroaminoalkoxy) acridines | Chemistry; Metallurgy | 7 | Expired |
| US4278689A | 1,4-Bis(substituted-amino)-5,8-dihydroxy-anthraquinones and leuco bases thereof | Human Necessities | 6 | Expired |
| US4456552A | 1,4-Bis(substituted-amino)-5,8-dihydroxyanthraquinones and leuco bases thereof | Human Necessities | 4 | Expired |
| US4540519A | 1,4-Bis(substituted-amino)-5,8-dihydroxyanthraquinones and leuco bases thereof | Chemistry; Metallurgy | 3 | Expired |
| US4614618A | 1,4-bis(substituted-amino)-5,8-dihydroxy anthraquinones and leuco bases thereof | Human Necessities | 2 | Expired |
| US4430501A | 1,4-Bis(substituted-amino)-5,8-dihydroxy-anthraquinones and leuco bases thereof | Human Necessities | 2 | Expired |
| US4888137A | Novel 1,4-bis(substituted-amino(-5,8-dihydroxyanthraquinones and leuco bases thereof | Chemistry; Metallurgy | 1 | Expired |
| US4820738A | 1,4-bis(substituted-amino)-5,8-dihydroxy-anthraquinones and leuco bases thereof | Chemistry; Metallurgy | 1 | Expired |
| US4540583A | Method of treating tumors in warm-blooded animals | Chemistry; Metallurgy | 0 | Expired |
| US4696935A | Method of treating transplanted tumors and modulating the immune response | Chemistry; Metallurgy | 0 | Expired |
| US4226869A | Method of stimulating the immune response with halogenated 10-(.omega.-dialkylaminopolymethyleneamino)-2-methoxypyrido[3,2-b]quinol ines | Chemistry; Metallurgy | 0 | Expired |
| US4132797A | Method of stimulating leukemic immune response | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.