Peter W. Sprague
33Patents
11h-index
19Co-inventors
72Inventor score
Filing activity: May 30, 1975 → Jan 25, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4143054A | 7-Oxabicycloheptane- and 7-oxabicycloheptene compounds | Human Necessities | 113 | Expired |
| US4187236A | 7-Oxabicycloheptane compounds | Chemistry; Metallurgy | 83 | Expired |
| US4228180A | 7-Oxabicycloheptane and 7-oxabicycloheptene prostaglandin analogs | Human Necessities | 82 | Expired |
| US4154935A | Halogen substituted mercaptoacylamino acids | Chemistry; Metallurgy | 81 | Expired |
| US4254044A | 7-Oxabicycloheptane- and 7-oxabicycloheptene compounds | Chemistry; Metallurgy | 80 | Expired |
| US4220594A | Hexa- and octahydro-4,7-epoxyisobenzofuran-1-ol and hexa- and octahydro-5,8-epoxy-1H-2-benzopyran-3-ol | Chemistry; Metallurgy | 75 | Expired |
| US4681886A | Substituted 4-phenoxy or 4-phenylthio prolines | Chemistry; Metallurgy | 26 | Expired |
| US4424376A | Prostacyclin intermediates | Chemistry; Metallurgy | 26 | Expired |
| US4614825A | 7-oxabicycloheptane and 7-oxabicycloheptene compounds | Chemistry; Metallurgy | 24 | Expired |
| US4462943A | Carboxyalkyl amino acid derivatives of various substituted prolines | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4241076A | Halogenated substituted mercaptoacylamino acids | Chemistry; Metallurgy | 12 | Expired |
| US4537981A | 7-Oxabicycloheptane and 7-oxabicycloheptene compounds | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4647585A | Bicycloheptane substituted ethers | Chemistry; Metallurgy | 9 | Expired |
| US4303662A | Carboxyacyl, mercapto and acylmercapto derivatives of heterobicyclo compounds | Chemistry; Metallurgy | 7 | Expired |
| US4321383A | Heterobicyclo intermediates | Chemistry; Metallurgy | 7 | Expired |
| US6552216B1 | Molecular model for VLA-4 inhibitors | Physics | 6 | Expired |
| US4086244A | Amidines | Human Necessities | 4 | Expired |
| US4556675A | 7-Oxabicycloheptane and 7-oxabicycloheptene compounds | Chemistry; Metallurgy | 3 | Expired |
| US3984474A | 4,5-Secoandrostanes | Chemistry; Metallurgy | 2 | Expired |
| US4536501A | Substituted 4-phenoxy or 4-phenylthio prolines | Human Necessities | 2 | Expired |
| US4537904A | Compositions of 7-oxabicycloheptane and 7-oxabicycloheptene compounds and a method for their use in inhibiting bronchoconstriction | Chemistry; Metallurgy | 2 | Expired |
| US4360685A | Dioxatricyclic prostacyclin analogs | Human Necessities | 2 | Expired |
| US4108894A | Amidines | Human Necessities | 2 | Expired |
| US4499292A | 7-Oxabicycloheptane prostaglandin intermediates and method for preparing same | Chemistry; Metallurgy | 1 | Expired |
| US4542160A | Method of use of bicycloheptane substituted prostaglandin analogs as cardiovascular agents | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.