US3887592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-Hydroxy or acetoxy substituted esters useful for the control of insects
Assignee: Zoecon Corp
•
Filing: 1974-01-14
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Granted: 1975-06-03
•
Expires: 1994-01-14
Abstract
Abstract Novel olefinic unsaturated esters substituted at C-2 with chloro, hydroxy, acyloxy, oxo or amino, syntheses of Alpha , Beta -unsaturated esters, intermediates therefor and the control of insects.
Inventors
- 👤 Clive A Henrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:08
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/66; C07C69/73; C07C69/734; C07C69/62; C07C69/65; C07C69/732; C07C69/738
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
8 words
A COMPOUND SELECTED FROM THOSE OF FORMUULA (A):
Claim 2
Dependent Claim
8 words
A COMPOUND SELECTED FROM THOSE OF FORMUULA (A):
Claim 3
Dependent Claim
8 words
A compound selected from those of formula (A):
Claim 4
Dependent Claim
8 words
A compound selected from those of formula (A):
Claim 5
Dependent Claim
17 words
A compound according to claim 1 wherein R is lower alkyl of one to three carbon atoms.
Claim 6
Dependent Claim
18 words
A compound according to claim 2 wherein Z is hydrogen, methyl, methoxy or methylthio and Z'' is hydrogen.
Claim 7
Dependent Claim
22 words
A compound according to claim 3 wherein n is one, R14 is hydrogen, and each of R2, R3 and R4 is methyl.
Claim 8
Dependent Claim
17 words
A compound according to claim 4 wherein X is hydroxy and R is methyl, ethyl, or isopropyl.
Claim 9
Dependent Claim
10 words
A compound according to claim 5 wherein Z is hydrogen.
Claim 10
Dependent Claim
17 words
A compound according to claim 4 wherein X is acetoxy and R is methyl, ethyl or isopropyl.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-06-02 | 1978-12-02 | 1979-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-02 | 1982-12-02 | 1983-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-02 | 1986-12-02 | 1987-06-03 | $7700.00 | Window Closed / Lapsed |