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Adolph M. Pietruszkiewicz
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North Wales, PA, US
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last 30 patents
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Patent Grant
Piperazinylpyrimidines as .beta.-adrenergic receptor blockers
Patent number
4,994,464
Issue date
Feb 19, 1991
Merck & Co., Inc.
Richard L. Tolman
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
7,8-dihydro-4-(1-pierazinyl)-6H-thiopyrano-[3,2-d] pyrimidines as ....
Patent number
4,889,856
Issue date
Dec 26, 1989
Merck & Co., Inc.
Richard L. Tolman
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
(5,6-dichloro-3-oxo-9.alpha.-propyl-2,3,9,9.alpha.-tetrahydrofluore...
Patent number
4,835,313
Issue date
May 30, 1989
Merck & Co., Inc.
Adolph M. Pietruszkiewicz
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
((5,6-dichloro-3-oxo-9,9a-disubstituted-2,3,9,9a-tetrahydrofluoren-...
Patent number
4,797,391
Issue date
Jan 10, 1989
Merck & Co., Inc.
Otto W. Woltersdorf
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
[(2-substituted 1,2-dihydro-1-oxo-1H-inden-5-yl)oxy]alkanesulfonic...
Patent number
4,771,076
Issue date
Sep 13, 1988
Merck & Co., Inc.
Edward J. Cragoe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
[(5,6-dichloro-3-oxo-2,9a-alkano-2,3,9,9a-tetrahydro-1H-fluoren-7-y...
Patent number
4,731,470
Issue date
Mar 15, 1988
Merck & Co., Inc.
Adolph M. Pietruszkiewicz
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
(5,6-dichloro-3-oxo-2,3,9,9a-tetrahydrofluoren-7-yl)-alkanoic acids...
Patent number
4,731,471
Issue date
Mar 15, 1988
Merck & Co., Inc.
Edward J. Cragoe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
(5,6-dichloro-3-oxo-9A-propyl-2,3,9,9A-tetrahydrofluoren-7-yl)alkan...
Patent number
4,731,472
Issue date
Mar 15, 1988
Merck & Co., Inc.
Adolph M. Pietruszkiewicz
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Ester and amide substituted (2,3-dihydro-4-(3-oxo-1-cyclohexen-1-yl...
Patent number
4,719,310
Issue date
Jan 12, 1988
Merck & Co., Inc.
Adolph M. Pietruszkiewicz
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Substituted (2,3-dihydro-4-(3-oxo-1-cyclohexen-1-yl)phenoxy) alkano...
Patent number
4,625,047
Issue date
Nov 25, 1986
Merck & Co., Inc.
Edward J. Cragoe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Amino-phenyl-thiadiazoledioxides as gastric secretion inhibitors
Patent number
4,567,191
Issue date
Jan 28, 1986
Merck & Co., Inc.
John J. Baldwin
C07 - ORGANIC CHEMISTRY