Erich Lehr
28Patents
7h-index
33Co-inventors
69Inventor score
Filing activity: May 9, 1977 → Apr 26, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5719279A | Asymmetrically substituted xanthines | Human Necessities | 93 | Expired |
| US5641784A | 8-substituted 1,3-dialiphaticxanthine derivatives | Mechanical Engineering; Lighting; Heating | 37 | Expired |
| US5532368A | Xanthine derivatives with adenosine-antagonistic activity | Chemistry; Metallurgy | 20 | Expired |
| US6187780A | Assymetrically substituted xanthine derivatives having adenosine A1 antagonistic activity | Chemistry; Metallurgy | 11 | Expired |
| US4833140A | 1-(benzyl or pyridylmethyl)-4 or 5-aminomethyl-pyrrolidin-2-ones | Chemistry; Metallurgy | 11 | Expired |
| US6492377B1 | Imidazotriazolopyrimidines with adenosine-antagonistic activity | Chemistry; Metallurgy | 7 | Expired |
| US4581364A | 1-substituted-4-hydroxymethyl-pyrrolidin-2-ones | Chemistry; Metallurgy | 7 | Expired |
| US4670456A | 4-Aminocarbonylaminomethyl-1-benzylpyrrolidin-2-ones as nootropic agents and as agents for treating cerebral insufficiency | Chemistry; Metallurgy | 7 | Expired |
| US4732900A | 1,2,4-triazolo-carbamates | Chemistry; Metallurgy | 7 | Expired |
| US6191153A | Use of 2-amino-6-n-propyl-amino-4,5,6,7-tetrahydrobenzothiazole as a pharmaceutical composition having an antidepressant activity | Human Necessities | 6 | Expired |
| US4767759A | Piperazinyl and morpholinyl substituted 1-(benzyl or pyridylmethyl)-4-or-5-aminomethyl-pyrrolidin-2-ones and their nootropic use | Chemistry; Metallurgy | 5 | Expired |
| US4333944A | 8-Halo-6-phenyl-4H-s-triazolo (3,4-c) thieno 1,4-diazepin-1-ones | Human Necessities | 3 | Expired |
| US5696124A | Xanthine derivatives with adenosine-antagonistic activity | Chemistry; Metallurgy | 3 | Expired |
| US5217967A | Agent with an antidepressant activity | Human Necessities | 3 | Expired |
| US4762832A | Morpholine containing pyrrolidinones pharmaceutical compositions and use | Chemistry; Metallurgy | 2 | Expired |
| US4857528A | Substituted pyrrolidinones, pharmaceutical compositions and use | Chemistry; Metallurgy | 1 | Expired |
| US4954516A | Use of 1-benzyl-aminoalkyl-pyrrolidinones as antidepressants | Human Necessities | 1 | Expired |
| US5073671A | 1-(benzyl or pyridylmethyl)-4 or 5-aminomethyl-pyrrolidin-2-ones | Chemistry; Metallurgy | 1 | Expired |
| US5688802A | Bornyl xanthine derivatives with adenosine-antagonistic activity | Chemistry; Metallurgy | 1 | Expired |
| US4891378A | Nortropanyl containing pyrrolidinones, pharmaceutical compositions and use | Chemistry; Metallurgy | 0 | Expired |
| US4912129A | Use of 1-benzyl-aminoalkyl-pyrrolidinones as antidepressants | Human Necessities | 0 | Expired |
| US4996224A | 1-benzyl-4- or 5-pyrrolidinomethyl-pyrrolidin-2-ones and nootropic method of use thereof | Chemistry; Metallurgy | 0 | Expired |
| US4812453A | Use of 1-benzyl-aminoalkyl-pyrrolidinones as antidepressants | Human Necessities | 0 | Expired |
| US5422353A | Tetrahydropyridine derivatives | Human Necessities | 0 | Expired |
| US4085216A | 2-(4-Phenyl-4-cyano-n-butyl)-1,2,3,4-tetrahydro-5(H)-pyri do-[4,3-b]-indoles and salts thereof | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.