Inventor

Christopher G. Knudsen

Inventor

Berkeley, CA, US

Overview

1986–1999

Patent span

Human necessities

Primary field (CPC A)

Patents· 19 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 thereof50%

C07CAcyclic or carbocyclic compounds26%

C07DHeterocyclic compounds24%

PatentTitleYear

5,928,998'Arylindazoles and their use as herbicides'1999 5,444,038'Arylindazoles and their use as herbicides'1995 5,430,007'Certain herbicidal pyrazolopyridazines'1995 5,300,478'Substituted fused pyrazolo compounds'1994 5,173,105'Certain substituted bis(2-benzoyl-3-oxo-cyclohexenyl)diamines'1992 5,152,826'Certain substituted bis(2-benzoyl-3-oxo-cyclohexenyl) thioglycols'1992 4,957,540'Certain substituted 3-(substituted oxy)-2-benzoyl-cyclohex-2-enones'1990 4,918,236'Certain substituted 3-(substituted oxy)-2-benzoyl-cyclohex-2-enones'1990 4,869,748'Certain 3-(substituted benzoyl)-3:2:1-bicyclooctan-2,4-diones'1989 4,854,966'Method of controlling undesirable vegetation utilizing certain 3-(substituted thio)-2-benzoyl-cyclohex-2-enones'1989 4,838,932'Certain 2-(2-substituted benzoyl)-4-(substituted imino, oximino or carbonyl)-1,3-cyclohexanediones'1989 4,837,352'3-chloro-2-(2\'-substituted benzoyl)-cyclohex-2-enone intermediate compounds'1989 4,808,733'Certain 4-oxo-3-benzoylvalerolactones and thiolactones'1989 4,780,124'Certain 4-oxo-3-benzoylvalerothiolactones'1988 4,780,123'Certain 4-oxo-3-benzoylvalerolactones and thiolactones'1988 4,775,411'Certain substituted 3-amino-2-benzoylcyclohex-2-enones'1988 4,762,551'Certain 3-(substituted thio)-2-benzoyl-cyclohex-2-enones'1988 4,741,755'Certain 4-oxo-3-benzoylvalerolactones and thiolactones'1988 4,623,384'Benzylacrylaryl amide herbicidal compounds and methods of use'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1989Patents assigned to STAUFFER CHEMICAL CO (9)· patent assignee history

1986–1999Based in Berkeley, CA, US· patent location history

1988Patents assigned to STAUFFER CHEMICA COMPANY (1)· patent assignee history

1989–1990Patents assigned to ICI AMERICA INC (3)· patent assignee history

1992Patents assigned to ICI PLC (2)· patent assignee history

1994–1999Patents assigned to ZENECA LTD (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
STAUFFER CHEMICAL CO	9	1986–1989
ZENECA LTD	4	1994–1999
ICI AMERICA INC	3	1989–1990
ICI PLC	2	1992
STAUFFER CHEMICA COMPANY	1	1988

Locations

Location	Patents	Span
Berkeley, California, US	19	1986–1999