Thomas J. Schwan
55Patents
5h-index
15Co-inventors
69Inventor score
Filing activity: Oct 9, 1973 → May 3, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3969355A | 5-Aminoethyl-2,4-diphenylpyrimidine dihydrobromide | Chemistry; Metallurgy | 9 | Expired |
| US3974169A | .alpha.-[2-(2-Pyridyl)ethylamino]phenylacetic acid dihydrochloride Hemihydrate | Chemistry; Metallurgy | 7 | Expired |
| US3932452A | 1-Arylmethyl-2-imidazolidinones | Chemistry; Metallurgy | 6 | Expired |
| US3993617A | Antifungal 2-substituted phthalimidines | Chemistry; Metallurgy | 6 | Expired |
| US3944581A | 5-Substituted-2,4-diphenylpyrimidines | Chemistry; Metallurgy | 6 | Expired |
| US3939165A | 5,6,6A,6B,7,8-Hexahydrobenz[a]phenanthridine hydrochloride | Chemistry; Metallurgy | 5 | Expired |
| US3966758A | Anti-inflammatory 1-(substituted benzyl)-2-imidazolidinones | Chemistry; Metallurgy | 4 | Expired |
| US3966760A | 2-Substituted-5,6-dimethoxyindazoles | Chemistry; Metallurgy | 4 | Expired |
| US4052400A | Hypertensive 1-substituted 2(1H)-pyrimidones | Chemistry; Metallurgy | 3 | Expired |
| US4003900A | 1-Benzyl-5-chloro-2-(1H)-pyrimidone | Chemistry; Metallurgy | 2 | Expired |
| US4382140A | 2,4-Diphenyl-5-pyrimidinecarbonitrile | Chemistry; Metallurgy | 2 | Expired |
| US4169097A | 2,3-Dihydro-4H-1-benzopyran-4-one O-carbamoyl oximes | Human Necessities | 2 | Expired |
| US3940400A | 3-Methyl-4-phenyl-1,2,3,4-tetrahydrobenz[g]isoquinoline hydrobromide | Chemistry; Metallurgy | 2 | Expired |
| US4160093A | 6-Ethyl-6,9-dihydro-9-oxopyrazolo[3,4-f]quinoline-9-carboxylic acid | Chemistry; Metallurgy | 2 | Expired |
| US4018823A | 4',5'-Dimethoxy-2',3-diaminopropiophenone dihydrochloride | Chemistry; Metallurgy | 2 | Expired |
| US3971788A | 2-Methyl-3-phenyl-1,2,3,10b-tetrahydroindeno[1,2,3-ij]-isoquinoline hydrobromide | Chemistry; Metallurgy | 2 | Expired |
| US4115387A | 3-Methyl-4-phenyl-1,2,3,4-tetrahydrobenz [H]isoquinoline hydrobromide | Chemistry; Metallurgy | 2 | Expired |
| US4001245A | 2-[2-(Pipe ridino)ethyl]-10,10a-dihydro-1H,5H-imidazo[1,5-b]isoquinolin-1,3(2H)-dion e | Chemistry; Metallurgy | 2 | Expired |
| US4052399A | 1-[2-(Hexahydro-1H-azepino)ethyl]-2(1H)pyrimidone dihydrochloride | Chemistry; Metallurgy | 1 | Expired |
| US4228303A | 3-(3,4-Dihydroxyphenyl)-N-(4-nitrobenzyl)alanine hydrobromide | Chemistry; Metallurgy | 1 | Expired |
| US4002652A | 2-Substituted-5,6-dimethoxyindazoles | Chemistry; Metallurgy | 1 | Expired |
| US4099009A | 1-(4-Chlorophenyl)-3-(1-ureido)-2-imidazolidinone | Chemistry; Metallurgy | 1 | Expired |
| US4014878A | 2-(3-Morpholinopropyl)-5,6-dimethoxy indazole | Chemistry; Metallurgy | 1 | Expired |
| US4335130A | Antifungal composition | Human Necessities | 1 | Expired |
| US4009177A | Compound 2-(2-thiazolyl)-5,6-dimethoxyindazoles | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.