Inventor
William R. Purdum
Inventor
Maryland Heights, MO, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A01Nprimary
A01NPreservation of bodies of humans or animals or plants or parts thereof40%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium35%
A61LMethods or apparatus for sterilising materials or objects in general5%
A62DChemical means for extinguishing fires or for combating or protecting against harmful chemical agents5%
B09BDisposal of solid waste not otherwise provided for5%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%
C11DDetergent compositions5%
PatentTitleYear
7,776,362'Formulations for the decontamination of toxic chemicals'20107,256,320'Method for defeat of bulk chemical warfare agents'20074,483,705'Alkylphosphonate diesters and monoesters of N-phosphonomethylglycinate as herbicides'19844,442,044'Process for preparing monoesters and diesters of N-alkyl substituted amino methyl phosphonic acid'19844,395,275'Mono and diesters of N-phosphonomethylglycinates as herbicides'19834,391,625'Diesters of N-alkyl substituted amino methyl phosphonic acid useful as herbicides'19834,388,103'Alkylphosphonate monoesters of N-phosphonomethylglycinate as herbicides'19834,388,102'Alkylphosphonate diesters of N-phosphonomethylglycinate as herbicides'19834,385,921'Cyanoalkylphosphonate diesters of N-phosphonomethylglycinonitrile as herbicides'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–1984Patents assigned to MONSANTO CO (7)· patent assignee history
1983–2010Based in Maryland Heights, MO, US· patent location history
2007–2010Patents assigned to CLEAN EARTH TECH LLC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MONSANTO CO | 7 | 1983–1984 |
| CLEAN EARTH TECH LLC | 2 | 2007–2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Maryland Heights, MO, US | 9 | 1983–2010 |