Inventor
Loren W. Hedrich
Inventor
Overland Park, KS, US
Overview
Patents· 13 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 thereof45%
C07DHeterocyclic compounds45%
C07CAcyclic or carbocyclic compounds10%
PatentTitleYear
5,510,556'Saturate reduction in normal alpha olefins using a cobalt-containing transalkylation catalyst'19965,345,022'Saturate minimization in normal alpha olefins'19944,428,881'Control of unwanted vegetation with N-carbamylindolines'19844,405,791'Arylthioureido pyridinecarbamino compounds and use as plant growth regulants'19834,335,044'Plant growth regulating perfluoroacyl arylthioureido isoindolediones'19824,319,026'Heterocyclic-substituted hydrazides and hydrazones as plant growth regulators'19824,292,069'Arylthioureido pyridinecarbamino compounds and use as plant growth regulants'19814,289,527'Plant growth regulating perfluoroacyl arylthioureido isoindolediones'19814,272,280'Isobenzofurandione thiosemicarbazones and use as plant growth regulators'19814,201,569'2,3-Disubstituted aralkylaminoacrylonitriles and use as herbicides'19804,154,599'Alkylthioaminoacrylonitriles and use as herbicides'19794,021,225'Combating unwanted vegetation with 1,3,4-thiadiazole-2-sulfonamides'19773,932,437'Multistep synthesis for certain 1,3,4-thiadiazoles and intermediate'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1977Patents assigned to GULF RESEARCH DEVELOPMENT CO (2)· patent assignee history
1976–1984Based in Overland Park, KS, US· patent location history
1979–1984Patents assigned to GULF OIL CORP (9)· patent assignee history
1981–1982Based in Orange, TX, US· patent location history
1994Patents assigned to CHEVRON RES & TECH (1)· patent assignee history
1994–1996Based in Kingwood, TX, US· patent location history
1996Patents assigned to CHEVRON CHEM CO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GULF OIL CORP | 9 | 1979–1984 |
| GULF RESEARCH DEVELOPMENT CO | 2 | 1976–1977 |
| CHEVRON CHEM CO | 1 | 1996 |
| CHEVRON RES & TECH | 1 | 1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| Overland Park, KS, US | 7 | 1976–1984 |
| Orange, Texas, US | 4 | 1981–1982 |
| Kingwood, Texas, US | 2 | 1994–1996 |