Benjamin J. Pierce

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Guelph, CA

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Patents Grantslast 30 patents

Information Patent Grant
Substituted pyrimidinyl organophosphorus insecticides
- Patent number 4,634,690
- Issue date Jan 6, 1987
- Uniroyal Chemical Company, Inc.
- Mark A. Dekeyser
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substituted pyrimidinyl organophosphorus insecticides
- Patent number 4,472,389
- Issue date Sep 18, 1984
- Uniroyal, Inc.
- Mark A. Dekeyser
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyridopyrimidinone compounds
- Patent number 4,395,551
- Issue date Jul 26, 1983
- Uniroyal, Inc.
- Mark A. Dekeyser
- C07 - ORGANIC CHEMISTRY