P

Inventor

VOLKMANN ROBERT A

US66 patents
⚠️ This page may combine multiple inventors who share the name “VOLKMANN ROBERT A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PFIZER

27 patents
US4703052AOct 27, 1987

Hypoglycemic thiazolidinediones

PFIZER79 citations93
US5037846AAug 6, 1991

Indolyl-3 polyamines and their use as antagonists of excitatory amino acid neurotransmitters

PFIZER26 citations92
US6057364AMay 2, 2000

Fluoro-substituted adamantane derivatives

PFIZER40 citations87
US5227397AJul 13, 1993

Polyamines and polypeptides useful as antagonists of excitatory amino acid neuro-transmitters and/or as blockers of calcium channels

PFIZER19 citations82
US5185369AFeb 9, 1993

Synthetic heteroaryl polyamines as excitatory amino acid neurotransmitter antagonists

PFIZER19 citations82
US5013729AMay 7, 1991

Diastereomeric 5R,6S-6-(1R-hydroxyethyl)-2-(cis-1-oxo-3-thiolanylthio)-2-penem-3-carboxylic acids

PFIZER18 citations82
US4864046ASep 5, 1989

Process for optically active 3-thiolanyl sulfonate esters

PFIZER18 citations82
US4739047AApr 19, 1988

Intermediates for 2-(1-oxo-3-thiolanyl)-2-penem antibiotics

PFIZER22 citations80
US5319103AJun 7, 1994

Intermediate diastereomeric 5R,6S-6-(1R-hydroxyethyl)-2-(cis-1-oxo-3-thiolanylthio)-2-penem-carboxylic acids

PFIZER12 citations74
US5191077AMar 2, 1993

Diastereomeric 5R,6S-6-(1R-hydroxyethyl)-2-(cis-1-oxo-3-thiolanylthio)-2-penem-3-carboxylic acids

PFIZER13 citations74
US4940823AJul 10, 1990

Process for optically active 3-thiolanyl sulfonate esters

PFIZER12 citations74
US4738972AApr 19, 1988

Hypoglycemic thiazolidinediones

PFIZER18 citations74
US5122596AJun 16, 1992

Polypeptides useful as blockers of calcium channels

PFIZER15 citations73
US5854232ADec 29, 1998

Acyclic anc cyclic amides as neurotransmitter release enhancers

PFIZER7 citations72
US5948781ASep 7, 1999

Adamantyl substituted oxindoles as pharmaceutical agents

PFIZER3 citations63
US4921972AMay 1, 1990

Process for optically active 3-thiolanyl sulfonate esters

PFIZER2 citations63
US4772717ASep 20, 1988

Novel process for the preparation of biotin

PFIZER2 citations63
US4468516AAug 28, 1984

Process for the preparation of biotin

PFIZER6 citations63
US5599559AFeb 4, 1997

Calcium channel blocking polypeptide from agelenopsis aperta and therapeutic methods employing it

PFIZER2 citations61
US4588527AMay 13, 1986

Process for preparing penicillanic acid 1,1-dioxide derivatives

PFIZER4 citations61
US4499017AFeb 12, 1985

Beta-lactamase inhibiting 6-(alkoxyamino-methyl) penicillanic acid 1,1-dioxide and derivatives

PFIZER5 citations61
US5756462AMay 26, 1998

Pore forming peptides from Geolycosa riogrande

PFIZER3 citations60
US4870170ASep 26, 1989

Process for 2-(1-oxo-3-thiolanyl)-2-penem antibiotics

PFIZER5 citations60
US4794179ADec 27, 1988

2-(1-oxo-3-thiolanyl)-2-penem antibiotics

PFIZER2 citations60
US4762920AAug 9, 1988

6,6-Dihalopenicillanic acid 1,1-dioxides

PFIZER3 citations60
US4714761ADec 22, 1987

6,6-dihalopenicillanic acid 1,1-dioxides and process

PFIZER5 citations60
US5132300AJul 21, 1992

Beta-lactam elastase inhibitors

PFIZER6 citations59

CADENT THERAPEUTICS INC

11 patents

NOVARTIS AG

5 patents

CYBREXA 2 INC

2 patents

LUC THERAPEUTICS

1 patent

CYBREXA 1 INC

1 patent

LIXTE BIOTECHNOLOGY INC

1 patent

CYBREXA 3 INC

1 patent

LUC THERAPEUTICS INC

1 patent

Showing the top 50 of 66 patents by PatentIndex Score.