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US3939218A Expired / Lapsed US ⏱️ 0.0 years remaining

P-Tert-butyl-diphenylalkane insecticides

Assignee: Bayer CropScience Inc USA
•
Filing: 1974-08-23
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Granted: 1976-02-17
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Expires: 1994-08-23
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Abstract

Abstract 1,1-Diphenylalkanes having a p-tert-butyl and a p'-alkyl group substituted thereon are a new class of compounds possessing a broad range of insecticidal activity.

Inventors

  • 👤 Jerry G. Strong

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 10:02
CPC Classifications
C; C07; C07C; C07C49/00; C07C49/76; C07C49/80; C07C17/00; C07C17/26; C07C17/263; C07C22/00; C07C22/02; C07C22/04; C07C45/00; C07C45/45; C07C45/46

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 47 words
A compound having the following general structure: ##SPC5## wherein R is selected from the group consisting of CH 3 and C 2 H 5 , a is chloro, b is selected from the group consisting of CH 3 and C 2 H 5 and c is hydrogen.
Claim 2
Dependent Claim 47 words
A compound having the following general structure: ##SPC5## wherein R is selected from the group consisting of CH 3 and C 2 H 5 , a is chloro, b is selected from the group consisting of CH 3 and C 2 H 5 and c is hydrogen.
Claim 3
Dependent Claim 26 words
The compound of claim 1 wherein R is C 2 H 5 , a is chloro, b is C 2 H 5 and c is hydrogen.
Claim 4
Dependent Claim 24 words
The compound of claim 1 wherein R is CH 3 , a is chloro, b is C 2 H 5 and c is hydrogen.
Claim 5
Dependent Claim 24 words
The compound of claim 1 wherein R is C 2 H 5 , a is chloro, b is CH 3 and c is hydrogen.

References Cited (Backward Citations)

US2883428A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1979-02-16 1979-08-18 1980-02-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1983-02-16 1983-08-18 1984-02-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1987-02-16 1987-08-18 1988-02-17 $7700.00 Window Closed / Lapsed

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