William R. Purdum

Person

Maryland Heights, MO, US

People

Patents Grantslast 30 patents

Information Patent Grant
Alkylphosphonate diesters and monoesters of N-phosphonomethylglycin...
- Patent number 4,483,705
- Issue date Nov 20, 1984
- Monsanto Co.
- William R. Purdum
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing monoesters and diesters of N-alkyl substitute...
- Patent number 4,442,044
- Issue date Apr 10, 1984
- Monsanto Company
- William R. Purdum
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Mono and diesters of N-phosphonomethylglycinates as herbicides
- Patent number 4,395,275
- Issue date Jul 26, 1983
- Monsanto Company
- William R. Purdum
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Diesters of N-alkyl substituted amino methyl phosphonic acid useful...
- Patent number 4,391,625
- Issue date Jul 5, 1983
- Monsanto Company
- William R. Purdum
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Alkylphosphonate monoesters of N-phosphonomethylglycinate as herbic...
- Patent number 4,388,103
- Issue date Jun 14, 1983
- Monsanto Company
- William R. Purdum
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Alkylphosphonate diesters of N-phosphonomethylglycinate as herbicides
- Patent number 4,388,102
- Issue date Jun 14, 1983
- Monsanto Company
- William R. Purdum
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyanoalkylphosphonate diesters of N-phosphonomethylglycinonitrile a...
- Patent number 4,385,921
- Issue date May 31, 1983
- Monsanto Company
- William R. Purdum
- C07 - ORGANIC CHEMISTRY

William R. Purdum

Person

Patents Grantslast 30 patents

Alkylphosphonate diesters and monoesters of N-phosphonomethylglycin...

Process for preparing monoesters and diesters of N-alkyl substitute...

Mono and diesters of N-phosphonomethylglycinates as herbicides

Diesters of N-alkyl substituted amino methyl phosphonic acid useful...

Alkylphosphonate monoesters of N-phosphonomethylglycinate as herbic...

Alkylphosphonate diesters of N-phosphonomethylglycinate as herbicides

Cyanoalkylphosphonate diesters of N-phosphonomethylglycinonitrile a...