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Bruce E. Witzel
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Westfield, NJ, US
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last 30 patents
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Patent Grant
7.beta.-substituted-4-aza-5.alpha.-androstan-3-ones as 5.alpha.-red...
Patent number
5,710,275
Issue date
Jan 20, 1998
Merck & Co., Inc.
Raman K. Bakshi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Substituted 4-aza-5.alpha.-androstan-ones as 5.alpha.-reductase inh...
Patent number
5,693,809
Issue date
Dec 2, 1997
Merck & Co., Inc.
Philippe L. Durette
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
17-amino substituted 4-azasteroid 5.alpha.-reductase inhibitors
Patent number
5,639,741
Issue date
Jun 17, 1997
Merck & Co., Inc.
Bruce E. Witzel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
17 urea, thiourea, thiocarbamyl and carbamyl4-azasteroid 5-reductas...
Patent number
5,620,986
Issue date
Apr 15, 1997
Merck & Co., Inc.
Bruce E. Witzel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Ester derivatives of 4-aza-steroids
Patent number
5,610,162
Issue date
Mar 11, 1997
Merck & Co., Inc.
Bruce E. Witzel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
17-Ethers and thioethers of 4-aza-steroids
Patent number
5,536,727
Issue date
Jul 16, 1996
Merck & Co., Inc.
Bruce E. Witzel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
N-alkenyl-3-hydroxybenzo[b]thiophene-2-carboxamide derivatives as d...
Patent number
5,068,248
Issue date
Nov 26, 1991
Merck & Co., Inc.
Allan N. Tischler
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Aryl-substituted thiophene 3-ols, derivatives and analogs useful as...
Patent number
4,999,436
Issue date
Mar 12, 1991
Merck & Co., Inc.
Bruce E. Witzel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Cyclosporin analogs with modified "C-9 amino acids"
Patent number
4,885,276
Issue date
Dec 5, 1989
Merck & Co., Inc.
Bruce E. Witzel
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for preparing N,N-dimethyl 2-(methylthio) benzamides and an...
Patent number
4,814,501
Issue date
Mar 21, 1989
Merck & Co., Inc.
Bruce E. Witzel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
5-methylthio-3-hydroxybenzo [b]thiophene-2-carboxamide derivatives...
Patent number
4,800,211
Issue date
Jan 24, 1989
Merck & Co., Inc.
Allan N. Tischler
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
New cyclosporin analogs with modified "C-9 amino acids"
Patent number
4,798,823
Issue date
Jan 17, 1989
Merck & Co., Inc.
Bruce E. Witzel
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
N-alkenyl-2-hydroxybenzo(b)thiophene-3-carboxamide derivatives as d...
Patent number
4,782,080
Issue date
Nov 1, 1988
Merck & Co., Inc.
Bruce E. Witzel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
N-alkenyl-3-hydroxybenzo[b]thiophene-2-carboxamide derivatives as d...
Patent number
4,760,086
Issue date
Jul 26, 1988
Merck & Co., Inc.
Allan N. Tischler
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
N-substituted fused-heterocyclic carboxamide derivatives as dual cy...
Patent number
4,720,503
Issue date
Jan 19, 1988
Merck & Co., Inc.
Bruce E. Witzel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Anti-inflammatory and analgesic 3-hydroxybenzo[b]thiophene derivati...
Patent number
4,663,344
Issue date
May 5, 1987
Merck & Co., Inc.
Philippe L. Durette
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
5-(2,3-Dihydro-1H-pyrrolizin-5-oyl)-2,3-dihydro-1H-pyrrolizine-1-al...
Patent number
4,536,512
Issue date
Aug 20, 1985
Merck & Co., Inc.
Tesfaye Biftu
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
5-(2,3-Dihydro-1H-pyrrolizin-5-oyl)-2-alkanoic or carboxylic acids...
Patent number
4,533,671
Issue date
Aug 6, 1985
Merck & Co., Inc.
Tesfaye Biftu
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Tricyclic derivatives of substituted pyrrole acids as analgesic and...
Patent number
4,440,779
Issue date
Apr 3, 1984
Merck & Co., Inc.
James B. Doherty
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2,4-Disubstituted-1,2,5-thiadiazol-3(2H)-one antimicrobials
Patent number
4,431,655
Issue date
Feb 14, 1984
Merck & Co., Inc.
Richard A. Dybas
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Antimicrobial compositions
Patent number
4,402,959
Issue date
Sep 6, 1983
Merck & Co., Inc.
Richard A. Dybas
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
2-(Substitutedpiperidylmethyl) propane nitriles and compositions th...
Patent number
4,391,812
Issue date
Jul 5, 1983
Merck & Co., Inc.
Richard A. Dybas
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing Benzoxepino- or Benzthiapino[4,3-b]pyrrole-2-...
Patent number
4,380,645
Issue date
Apr 19, 1983
Merck & Co., Inc.
Bruce E. Witzel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2,4-Disubstituted-1,2,5-thiadiazol-3(2H)-one antimicrobials
Patent number
4,362,877
Issue date
Dec 7, 1982
Merck & Co., Inc.
Richard A. Dybas
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2-(Substituted piperidylmethyl) propene and propane nitriles
Patent number
4,342,873
Issue date
Aug 3, 1982
Merck & Co., Inc.
Nathaniel Grier
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2-(Substitutedpiperidylmethyl) propene and propane nitriles
Patent number
4,342,872
Issue date
Aug 3, 1982
Merck & Co., Inc.
Nathaniel Grier
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyamine compounds as antibacterial agents
Patent number
4,340,756
Issue date
Jul 20, 1982
Merck & Co., Inc.
Richard A. Dybas
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Antimicrobial aminopyrimidinium salts
Patent number
4,339,453
Issue date
Jul 13, 1982
Merck & Co., Inc.
Nathaniel Grier
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2-Substituted-aminopropene-and propanenitrile antimicrobial and ant...
Patent number
4,335,141
Issue date
Jun 15, 1982
Merck & Co., Inc.
Nathaniel Grier
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Anti-microbial piperidino buten-2-ones
Patent number
4,316,903
Issue date
Feb 23, 1982
Merck & Co., Inc.
Nathaniel Grier
C07 - ORGANIC CHEMISTRY