US3903155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenoxy acetals and their utility as herbicides
Assignee: Zeneca Inc
•
Filing: 1973-08-03
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Granted: 1975-09-02
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Expires: 1993-08-03
Abstract
Abstract Meta-phenoxy acetals having the formula in which X is oxygen or sulfur, R and R1 are independently lower alkyl, R and R1 taken together are ethylene or trimethylene, R2 is alkyl, monocyclohexylamino, monoalkylamino, monoalkenylamino, dialkylamino, alkoxy, alkylthio, haloalkyl, substituted-phenyl wherein said substituents are methyl, monochloro or dichloro. The compounds are useful as herbicides.
Inventors
- 👤 Eugene G Teach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:22
CPC Classifications
C; C07; C07C; C07C275/00; C07C275/28; C07C275/32; C07C275/34; C07C335/00; C07C335/04; C07C335/16; C07C335/18
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
5 words
A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND HAVING THE FORMULA
Claim 3
Dependent Claim
11 words
A compound according to claim 1 in which R2 is monoalkylamino.
Claim 4
Dependent Claim
18 words
A compound according to claim 2 in which R and R1 are each ethyl and R2 is methylamino.
Claim 5
Dependent Claim
18 words
A compound according to claim 2 in which R and R1 are each ethyl and R2 is ethylamino.
Claim 6
Dependent Claim
18 words
A compound according to claim 2 in which R and R1 are each ethyl and R2 is n-butylamino.
Claim 7
Dependent Claim
18 words
A compound according to claim 2 in which R and R1 are each methyl and R2 is methylamino.
Claim 8
Dependent Claim
18 words
A compound according to claim 2 in which R and R1 are each methyl and R2 is n-butylamino.
Claim 9
Dependent Claim
11 words
A compound according to claim 1 in which R2 is dialkylamino.
Claim 10
Dependent Claim
18 words
A compound according to claim 8 in which R and R1 are each ethyl and R2 is dimethylamino.
Claim 11
Dependent Claim
18 words
A compound according to claim 8 in which R and R1 are each methyl and R2 is dimethylamino.
References Cited (Backward Citations)
US2655447A
Cited
US3780104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-01 | 1979-03-03 | 1979-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-01 | 1983-03-03 | 1983-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-01 | 1987-03-03 | 1987-09-02 | $7700.00 | Window Closed / Lapsed |