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US4148625A Expired / Lapsed US ⏱️ 0.0 years remaining

Tetrahydroisophthalimide compounds

Assignee: Takeda Pharmaceutical Co Ltd
•
Filing: 1977-07-13
•
Granted: 1979-04-10
•
Expires: 1997-07-13
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Abstract

Abstract Tetrahydroisophthalimide compounds are useful for selective weed-controlling agents.

Inventors

  • 👤 Hiroshi Nagase

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 22:25
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/77; C07D307/87; C07D307/90; A; A01; A01N; A01N43/00; A01N43/02; A01N43/04; A01N43/06; A01N43/12; A01N47/00; A01N47/08; A01N47/10; A01N47/22

Claims Analysis

Total Claims: 24
Claim 1
Independent Claim 58 words
A compound of the formula ##STR108## wherein Ar is: ##STR109## where R 1 is alkoxy or alkenyloxy having 1 to 5 carbon atoms; ##STR110## where R 1 is 4-methylbenzyloxy, 4-nitrobenzyloxy, 2, 4-dichlorobenzyloxy, 3, 4-dichlorobenzyloxy, 4-chlorobenzyloxy or benzyloxy; or ##STR111## where X is chlorine or bromine and R 1 is alkoxy or alkenyloxy having 1 to 5 carbon atoms.
Claim 2
Dependent Claim 58 words
A compound of the formula ##STR108## wherein Ar is: ##STR109## where R 1 is alkoxy or alkenyloxy having 1 to 5 carbon atoms; ##STR110## where R 1 is 4-methylbenzyloxy, 4-nitrobenzyloxy, 2, 4-dichlorobenzyloxy, 3, 4-dichlorobenzyloxy, 4-chlorobenzyloxy or benzyloxy; or ##STR111## where X is chlorine or bromine and R 1 is alkoxy or alkenyloxy having 1 to 5 carbon atoms.
Claim 3
Dependent Claim 12 words
A compound as claimed in claim 1, wherein the compound is N-(3-isopropoxy-4-chlorophenyl)-3,4,5,6-tetrahydroisophthalimide.
Claim 4
Dependent Claim 12 words
A compound as claimed in claim 1, wherein the compound is N-(2,4-dichloro-5-methyloxyphenyl)-3,4,5,6-tetrahydroisophthalimide.
Claim 5
Dependent Claim 12 words
A compound as claimed in claim 1, wherein the compound is N-(2,4-dichloro-5-ethoxyphenyl)-3,4,5,6-tetrahydroisophthalimide.
Claim 6
Dependent Claim 12 words
A compound as claimed in claim 1, wherein the compound is N-(2,4-dichloro-5-propoxyphenyl)-3,4,5,6-tetrahydroisophthalimide.
Claim 7
Dependent Claim 12 words
A compound as claimed in claim 1, wherein the compound is N-(2,4-dichloro-5-isopropoxyphenyl)-3,4,5,6-tetrahydroisophthalimide.
Claim 8
Dependent Claim 12 words
A compound as claimed in claim 1, wherein the compound is N-(2,4-dichloro-5-butoxyphenyl)-3,4,5,6-tetrahydroisophthalimide.
Claim 9
Dependent Claim 12 words
A compound as claimed in claim 1, wherein the compound is N-(2,4-dichloro-5-isobutoxyphenyl)-3,4,5,6-tetrahydroisophthalimide.
Claim 10
Dependent Claim 12 words
A compound as claimed in claim 1, wherein the compound is N-(2,4-dichloro-5-sec.butoxyphenyl)-3,4,5,6-tetrahydroisophthalimide.
Claim 11
Dependent Claim 12 words
A compound as claimed in claim 1, wherein the compound is N-(2,4-dichloro-5-pentyloxyphenyl)-3,4,5,6-tetrahydroisophthalimide.
Claim 12
Dependent Claim 12 words
A compound as claimed in claim 1, wherein the compound is N-(2,4-dichloro-5-isopentyloxyphenyl)-3,4,5,6-tetrahydroisophthalimide.
Claim 13
Dependent Claim 12 words
A compound as claimed in claim 1, wherein the compound is N-(2,4-dichloro-5-allyloxyphenyl)-3,4,5,6-tetrahydroisophthalimide.
Claim 14
Dependent Claim 12 words
A compound as claimed in claim 1, wherein the compound is N-[4-(4-methylbenzyloxy)-phenyl]-3,4,5,6-tetrahydroisophthalimide.
Claim 15
Dependent Claim 12 words
A compound as claimed in claim 1, wherein the compound is N-[4-(4-nitrobenzyloxy)-phenyl]-3,4,5,6-tetrahydroisophthalimide.
Claim 16
Dependent Claim 12 words
A compound as claimed in claim 1, wherein the compound is N-[4-(2,4-dichlorobenzyloxy)-phenyl]-3,4,5,6-tetrahydroisophthalimide.
Claim 17
Dependent Claim 12 words
A compound as claimed in claim 1, wherein the compound is N-[4-(3,4-dichlorobenzyloxy)-phenyl]-3,4,5,6-tetrahydroisophthalimide.
Claim 18
Dependent Claim 12 words
A compound as claimed in claim 1, wherein the compound is N-[4-(4-chlorobenzyloxy)-phenyl]-3,4,5,6-tetrahydroisophthalimide.
Claim 19
Dependent Claim 12 words
A compound as claimed in claim 1, wherein the compound is N-(4-benzyloxyphenyl)-3,4,5,6-tetrahydroisophthalimide.
Claim 20
Dependent Claim 12 words
A compound as claimed in claim 1, wherein the compound is N-(3-isopropoxy-4-bromophenyl)-3,4,5,6-tetrahydroisophthalimide.
Claim 21
Dependent Claim 12 words
A compound as claimed in claim 1, wherein the compound is N-(3-allyloxy-4-bromophenyl)-3,4,5,6-tetrahydroisophthalimide.
Claim 22
Dependent Claim 12 words
A compound as claimed in claim 1, wherein the compound is N-(2,4-dichloro-5-methallyloxyphenyl)-3,4,5,6-tetrahydroisophthalimide.
Claim 23
Dependent Claim 32 words
A composition for the control of undesirable vegetation which comprises an effective amount of the compound of claim 1 and at least one of an emulsifier and a solid or liquid carrier.
Claim 24
Dependent Claim 22 words
A method of controlling weeds comprising applying an effective amount of the composition of claim 22 to the area to be controlled.--

References Cited (Backward Citations)

US3985773A Cited
US3990880A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1982-04-09 1982-10-09 1983-04-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1986-04-09 1986-10-09 1987-04-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1990-04-09 1990-10-09 1991-04-10 $7700.00 Window Closed / Lapsed

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