US4141921A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenoxyphenyl- and phenoxybenzyl-alkynyl ethers
Assignee: Novartis Corp
•
Filing: 1977-04-04
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Granted: 1979-02-27
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Expires: 1997-04-04
Abstract
Abstract Compounds of the formula ##STR1## wherein R 1 represents hydrogen, methyl or iodine, R 2 represents hydrogen, methyl or ethyl R 3 represents hydrogen or methyl R 4 represents hydrogen, C 1 -C 3 alkyl; C 1 -C 3 alkoxy; halogen or nitro, and Z represents oxygen, or the group --CH 2 O--, whereby the CH 2 -group is bound to the phenyl nucleus, And their use for the control of insects are disclosed.
Inventors
- 👤 Friedrich Karrer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:12
CPC Classifications
C; C07; C07D; C07D317/00; C07D317/08; C07D317/44; C07D317/46; C07D317/48; C07D317/50; C07D317/54; C07C; C07C43/00; C07C43/02; C07C43/03; C07C43/14
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
1 words
1-Propargyloxy-4-phenoxy-benzene.
Claim 2
Dependent Claim
1 words
1-Propargyloxy-4-phenoxy-benzene.
Claim 3
Dependent Claim
1 words
3-[(4-phenoxy)-phenoxy]-1-iodo-1-propyne.
Claim 4
Dependent Claim
1 words
3-[(4-phenoxy)-phenoxy]-1-iodo-1-propyne.
Claim 5
Dependent Claim
1 words
1-Propargyloxy-4-(4-ethyl-phenoxy)-benzene.
Claim 6
Dependent Claim
1 words
1-Propargyloxy-4-(4-ethyl-phenoxy)-benzene.
Claim 7
Dependent Claim
1 words
1-Propargyloxy-4-(2-methylphenoxy)benzene.
Claim 8
Dependent Claim
1 words
1-Propargyloxy-4-(2-methylphenoxy)benzene.
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) | 1982-02-26 | 1982-08-28 | 1983-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-02-26 | 1986-08-28 | 1987-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-02-26 | 1990-08-28 | 1991-02-27 | $7700.00 | Window Closed / Lapsed |