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Mark A. Rustad
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St. Paul, MN, US
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last 30 patents
Information
Patent Grant
Substituted di-t-butylphenols
Patent number
5,103,037
Issue date
Apr 7, 1992
Riker Laboratories, Inc.
Robert A. Scherrer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Di-t-butylphenols substituted by an alkoxy or benzyloxy group or a...
Patent number
5,066,822
Issue date
Nov 19, 1991
Riker Laboratories, Inc.
Mark A. Rustad
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Substituted di-t-butylphenols and anti-allergic use thereof
Patent number
5,049,572
Issue date
Sep 17, 1991
Riker Laboratories, Inc.
Robert A. Scherrer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Di-t-butylphenyl alkyl and benzyl ether nitriles
Patent number
4,973,731
Issue date
Nov 27, 1990
Riker Laboratories, Inc.
Mark A. Rustad
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Substituted di-t-butylphenols and anti-allergic use thereof
Patent number
4,968,710
Issue date
Nov 6, 1990
Riker Laboratories, Inc.
Mark A. Rustad
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Substituted di-t-butylphenols
Patent number
4,716,178
Issue date
Dec 29, 1987
Riker Laboratories, Inc.
Robert A. Scherrer
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Derivatives of 2-nitrobenzofuran
Patent number
4,275,221
Issue date
Jun 23, 1981
Riker Laboratories, Inc.
Walton J. Hammar
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Derivatives of 2-nitrobenzofuran
Patent number
4,258,213
Issue date
Mar 24, 1981
Riker Laboratories, Inc.
Walton J. Hammar
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Certain mono-bromo bis-phenyl benzofurans
Patent number
4,247,469
Issue date
Jan 27, 1981
Riker Laboratories, Inc.
Walton J. Hammar
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Certain benzofuran benzene acetic acid type compounds
Patent number
4,246,179
Issue date
Jan 20, 1981
Riker Laboratories, Inc.
Walton J. Hammar
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Diphenylbenzofuran compounds
Patent number
4,208,337
Issue date
Jun 17, 1980
Riker Laboratories, Inc.
Walton J. Hammar
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Phenylalkanoic acid derivatives
Patent number
4,172,205
Issue date
Oct 23, 1979
Riker Laboratories, Inc.
Walton J. Hammar
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Derivatives of 2-nitrobenzofuran
Patent number
4,153,721
Issue date
May 8, 1979
Riker Laboratories, Inc.
Walton J. Hammar
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Anti-microbial (2-nitro-3-phenyl benzofuranyl)-phenylalkanoic acids...
Patent number
4,143,152
Issue date
Mar 6, 1979
Riker Laboratories, Inc.
Walton J. Hammar
C07 - ORGANIC CHEMISTRY