Patent US2927187A successfully refreshed from Google Patents.
US3718686A
Expired / Lapsed
US
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Alkynyl esters of alkoxybenzoic acids
Assignee: F Hoffmann La Roche AG
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Filing: 1971-03-10
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Granted: 1973-02-27
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Expires: 1991-03-10
Abstract
Abstract Alkynyl, benzyl or phenyl, ethers and esters which are ring substituted with an oxy or a thio aliphatic chain. These ethers and esters are useful in killing and preventing the proliferation of insects by upsetting their hormonal balance.
Inventors
- 👤 M Chodnekar
- 👤 A Pfiffner
- 👤 M Suchy
- 👤 N Rigassi
- 👤 U Schwieter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 05:59
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/22; C07C; C07C323/00; C07C69/00; C07C69/76; C07C69/84; C07C69/92; C07D303/24
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
9 words
The compound of claim 1 wherein R6 is propargyl.
Claim 2
Dependent Claim
8 words
The compound of claim 2 having the formula:
Claim 3
Dependent Claim
9 words
The compound of claim 3 wherein Y is alkoxy.
Claim 4
Dependent Claim
9 words
The compound of claim 3 wherein Y is halogen.
Claim 5
Dependent Claim
14 words
The compound of claim 3 wherein said compound is p-((1,4,5-trimethylhexyl)-oxy) benzoic acid propargyl ester.
Claim 6
Dependent Claim
14 words
The compound of claim 4 wherein said compound is 3-methoxy--4-(1,5-dimethylhexyloxy)- benzoic acid propargyl ester.
Claim 7
Dependent Claim
13 words
The compound of claim 5 wherein said compound is 4-((1,5-dimethylhexyl)-oxy)-3-chlorobenzoic acid propargyl ester.
References Cited (Backward Citations)
GB883234A
Cited
DE1156080B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-27 | 1976-08-28 | 1977-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-27 | 1980-08-28 | 1981-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-27 | 1984-08-28 | 1985-02-27 | $7700.00 | Window Closed / Lapsed |