James J. Steffens

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Modesto, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Herbicidal 2 methyl-4-phosphinylcinnolinium hydroxide inner salts
- Patent number 4,666,499
- Issue date May 19, 1987
- E. I. Du Pont de Nemours and Company
- John R. Ponte
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Use of certain pyrimido[5,4-e]-1,2,4-triazines for controlling the...
- Patent number 4,494,981
- Issue date Jan 22, 1985
- Shell Oil Company
- Tariq A. Andrea
- C07 - ORGANIC CHEMISTRY