Patent US2380261A successfully refreshed from Google Patents.
Patent US4354030A successfully refreshed from Google Patents.
US4354030A
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Isoxazolylimidazolidinone herbicides
Assignee: Eli Lilly and Co
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Filing: 1981-12-24
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Granted: 1982-10-12
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Expires: 2001-12-24
Abstract
Abstract Isoxazolylimidazolidinones are useful in the control of aquatic vegetation.
Inventors
- 👤 Kenneth W. Burow, Jr.
- 👤 Roger L. St. Clair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:04
CPC Classifications
C; C07; C07D; C07D491/00; C07D491/02; C07D491/04; A; A01; A01N; A01N43/00; A01N43/72; A01N43/80
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
101 words
A compound of the formula: ##STR28## wherein: R 1 is C 1 -C 6 alkyl or allyl; R 4 is hydrogen, C 1 -C 6 alkyl, halo, cyano or nitro; R 5 is C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, C 3 -C 7 cycloalkyl, C 1 -C 3 alkyl-C 3 -C 7 cycloalkyl, halo-C 1 -C 6 alkyl, --R 6 --O--R 7 or --R 6 --S--R 7 , where R 6 is C 1 -C 6 alkylene and R 7 is C 1 -C 6 alkyl, or R 5 is: ##STR29## wherein:
Claim 2
Dependent Claim
101 words
A compound of the formula: ##STR28## wherein: R 1 is C 1 -C 6 alkyl or allyl; R 4 is hydrogen, C 1 -C 6 alkyl, halo, cyano or nitro; R 5 is C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, C 3 -C 7 cycloalkyl, C 1 -C 3 alkyl-C 3 -C 7 cycloalkyl, halo-C 1 -C 6 alkyl, --R 6 --O--R 7 or --R 6 --S--R 7 , where R 6 is C 1 -C 6 alkylene and R 7 is C 1 -C 6 alkyl, or R 5 is: ##STR29## wherein:
Claim 3
Dependent Claim
26 words
Z is nitro, halo, or R 7 , and n is 0, 1, 2 or 3 provided that no more than two substituents shall be nitro.
Claim 4
Dependent Claim
26 words
Z is nitro, halo, or R 7 , and n is 0, 1, 2 or 3 provided that no more than two substituents shall be nitro.
Claim 5
Dependent Claim
14 words
The compound of claim 1 wherein R 1 is C 1 -C 6 alkyl.
Claim 6
Dependent Claim
10 words
The compound of claim 2 wherein R 4 is hydrogen.
Claim 7
Dependent Claim
14 words
The compound of claim 3 wherein R 5 is C 1 -C 6 alkyl.
Claim 8
Dependent Claim
10 words
The compound of claim 4 wherein R 5 is tert.-butyl.
Claim 9
Dependent Claim
10 words
The compound of claim 5, said compound being 3-[5-(tert.-butyl)-3-isoxazolyl]-1-methyl-4,5-dihydroxy-2-imidazolidinone acetonide.
Claim 10
Dependent Claim
10 words
The compound of claim 4 wherein R 5 is isopropyl.
References Cited (Backward Citations)
US4268679A
Cited
US4302239A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-10-11 | 1986-04-12 | 1986-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-10-11 | 1990-04-12 | 1990-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-10-11 | 1994-04-12 | 1994-10-12 | $7700.00 | Window Closed / Lapsed |