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US4354030A Expired / Lapsed US ⏱️ 0.0 years remaining

Isoxazolylimidazolidinone herbicides

Assignee: Eli Lilly and Co
•
Filing: 1981-12-24
•
Granted: 1982-10-12
•
Expires: 2001-12-24
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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 07:46
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

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