Inventor
LEHR ERICH
DE28 patents
⚠️ This page may combine multiple inventors who share the name “LEHR ERICH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BOEHRINGER INGELHEIM KG
19 patentsUS5719279AFeb 17, 1998
Asymmetrically substituted xanthines
BOEHRINGER INGELHEIM KG140 citations96
US5641784AJun 24, 1997
8-substituted 1,3-dialiphaticxanthine derivatives
BOEHRINGER INGELHEIM KG69 citations95
US6191153B1Feb 20, 2001
Use of 2-amino-6-n-propyl-amino-4,5,6,7-tetrahydrobenzothiazole as a pharmaceutical composition having an antidepressant activity
BOEHRINGER INGELHEIM KG16 citations83
US4833140AMay 23, 1989
1-(benzyl or pyridylmethyl)-4 or 5-aminomethyl-pyrrolidin-2-ones
BOEHRINGER INGELHEIM KG13 citations82
US5696124ADec 9, 1997
Xanthine derivatives with adenosine-antagonistic activity
BOEHRINGER INGELHEIM KG15 citations80
US5073671ADec 17, 1991
1-(benzyl or pyridylmethyl)-4 or 5-aminomethyl-pyrrolidin-2-ones
BOEHRINGER INGELHEIM KG4 citations74
US4767759AAug 30, 1988
Piperazinyl and morpholinyl substituted 1-(benzyl or pyridylmethyl)-4-or-5-aminomethyl-pyrrolidin-2-ones and their nootropic use
BOEHRINGER INGELHEIM KG8 citations74
US4762832AAug 9, 1988
Morpholine containing pyrrolidinones pharmaceutical compositions and use
BOEHRINGER INGELHEIM KG5 citations74
US4670456AJun 2, 1987
4-Aminocarbonylaminomethyl-1-benzylpyrrolidin-2-ones as nootropic agents and as agents for treating cerebral insufficiency
BOEHRINGER INGELHEIM KG10 citations74
US4581364AApr 8, 1986
1-substituted-4-hydroxymethyl-pyrrolidin-2-ones
BOEHRINGER INGELHEIM KG9 citations74
US5688802ANov 18, 1997
Bornyl xanthine derivatives with adenosine-antagonistic activity
BOEHRINGER INGELHEIM KG10 citations73
US4732900AMar 22, 1988
1,2,4-triazolo-carbamates
BOEHRINGER INGELHEIM KG12 citations72
US4931435AJun 5, 1990
Agent with an antidepressant activity
BOEHRINGER INGELHEIM KG2 citations63
US4857528AAug 15, 1989
Substituted pyrrolidinones, pharmaceutical compositions and use
BOEHRINGER INGELHEIM KG1 citations63
US4954516ASep 4, 1990
Use of 1-benzyl-aminoalkyl-pyrrolidinones as antidepressants
BOEHRINGER INGELHEIM KG1 citations61
US5149808ASep 22, 1992
N-heterocyclic substituted -pyrrolidin-2-ones
BOEHRINGER INGELHEIM KG0 citations52
US4996224AFeb 26, 1991
1-benzyl-4- or 5-pyrrolidinomethyl-pyrrolidin-2-ones and nootropic method of use thereof
BOEHRINGER INGELHEIM KG0 citations52
US5422353AJun 6, 1995
Tetrahydropyridine derivatives
BOEHRINGER INGELHEIM KG0 citations51
US4812453AMar 14, 1989
Use of 1-benzyl-aminoalkyl-pyrrolidinones as antidepressants
BOEHRINGER INGELHEIM KG0 citations50
BOEHRINGER SOHN INGELHEIM
7 patentsUS5532368AJul 2, 1996
Xanthine derivatives with adenosine-antagonistic activity
BOEHRINGER SOHN INGELHEIM53 citations95
US5217967AJun 8, 1993
Agent with an antidepressant activity
BOEHRINGER SOHN INGELHEIM5 citations68
US4333944AJun 8, 1982
8-Halo-6-phenyl-4H-s-triazolo (3,4-c) thieno 1,4-diazepin-1-ones
BOEHRINGER SOHN INGELHEIM3 citations61
US4891378AJan 2, 1990
Nortropanyl containing pyrrolidinones, pharmaceutical compositions and use
BOEHRINGER SOHN INGELHEIM0 citations52
US4180573ADec 25, 1979
1-Piperazino-6-phenyl-4H-s-triazolo[3,4-c]thieno[2,3-e]1,4-diazepines
BOEHRINGER SOHN INGELHEIM0 citations51
US4085216AApr 18, 1978
2-(4-Phenyl-4-cyano-n-butyl)-1,2,3,4-tetrahydro-5(H)-pyrido-[4,3-b]-indoles and salts thereof
BOEHRINGER SOHN INGELHEIM1 citations51
US4912129AMar 27, 1990
Use of 1-benzyl-aminoalkyl-pyrrolidinones as antidepressants
BOEHRINGER SOHN INGELHEIM0 citations50