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US3957833A Expired / Lapsed US ⏱️ 0.0 years remaining

Alkynyloxy-phenyl derivatives

Assignee: Novartis Corp
•
Filing: 1975-02-10
•
Granted: 1976-05-18
•
Expires: 1995-02-10
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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

  • 👤 Madhukar Subraya Chodnekar
  • 👤 Albert Pfiffner
  • 👤 Norbert Rigassi
  • 👤 Ulrich Schwieter
  • 👤 Milos Suchy

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 23:38
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/22; C07C; C07C69/00; C07C69/76; C07C69/84; C07C69/92; Y; Y10; Y10S; Y10S424/00; Y10S424/12

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 48 words
A compound of the formula: ##SPC13## wherein R 5 is methyl; R 6 is propargyl; E and F taken together form an oxygen bridge; one of Y and Y' is lower alkyl and the other is hydrogen; X and Z are oxygen, and p is equal to 1.
Claim 2
Dependent Claim 48 words
A compound of the formula: ##SPC13## wherein R 5 is methyl; R 6 is propargyl; E and F taken together form an oxygen bridge; one of Y and Y' is lower alkyl and the other is hydrogen; X and Z are oxygen, and p is equal to 1.
Claim 3
Dependent Claim 10 words
The compound of claim 1 wherein said compound is 1-[(2,3-epoxy-3-methylbutyl)oxy]-4-propargyloxybenzene.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1979-05-18 1979-11-17 1980-05-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1983-05-18 1983-11-17 1984-05-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1987-05-18 1987-11-17 1988-05-18 $7700.00 Window Closed / Lapsed

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