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Patent US3852332A successfully refreshed from Google Patents.
US3852332A
Expired / Lapsed
US
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Esters of (alkynloxy) and (alkenyloxy) carbanilic acid
Assignee: Wyeth Holdings LLC
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Filing: 1972-06-30
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Granted: 1974-12-03
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Expires: 1992-06-30
Abstract
Abstract The invention is novel esters of (alkynyloxy)-, (alkenyloxy)-, and (cyanoalkoxy) carbanilic acids and the thiono and dithio derivatives of the carbanilic acids, and their use for controlling broadleaf weeds and grasses.
Inventors
- 👤 B Cross
- 👤 R Arotin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:37
CPC Classifications
A; A01; A01N; A01N47/00; A01N47/08; A01N47/10; A01N47/20; C; C07; C07C; C07C271/00; C07C271/06
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
4 words
COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
4 words
COMPOUND OF THE FORMULA:
Claim 3
Dependent Claim
9 words
A compound according to claim 1 wherein B is
Claim 4
Dependent Claim
25 words
A compound according to claim 2 wherein B is HC*C-CH2-O-; A is Cl; R1 is H; X and Y are O; and R2 is CH1.
Claim 5
Dependent Claim
25 words
A compound according to claim 2 wherein B is HC*C-CH2-O-; A is H; R1 is H; X and Y are O; and R2 is tert-C4H9-.
Claim 6
Dependent Claim
9 words
A compound according to claim 2 wherein B is
Claim 7
Dependent Claim
9 words
A compound according to claim 2 wherein B is
Claim 8
Dependent Claim
9 words
A compound according to claim 2 wherein B is
Claim 9
Dependent Claim
9 words
A compound according to claim 2 of the formula:
Claim 10
Dependent Claim
9 words
A compound according to claim 2 of the formula:
Claim 11
Dependent Claim
9 words
A compound according to claim 2 of the formula:
References Cited (Backward Citations)
US3721699A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-02 | 1978-06-03 | 1978-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-02 | 1982-06-03 | 1982-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-02 | 1986-06-03 | 1986-12-03 | $7700.00 | Window Closed / Lapsed |