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US3907861A Expired / Lapsed US ⏱️ 0.0 years remaining

Cyanophenoxyacetonitriles

Assignee: Bayer Pharma AG
•
Filing: 1973-06-26
•
Granted: 1975-09-23
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Expires: 1993-06-26
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Abstract

Abstract The preparation of cyanophenoxyacetonitriles including the uses thereof in herbicidal compositions.

Inventors

  • 👤 Reinhold Puttner
  • 👤 Friedrich Arndt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 22:21
CPC Classifications
A; A01; A01N; A01N37/00; A01N37/34; C; C07; C07C; C07C255/00; C07C255/49; C07C255/54

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 6 words
HERBICIDAL COMPOUNDS OF THE GENERAL FORMULA
Claim 2
Dependent Claim 6 words
HERBICIDAL COMPOUNDS OF THE GENERAL FORMULA
Claim 3
Dependent Claim 23 words
Compounds according to claim 1, where X1 and X2 represent an element selected from the group consisting of iodine, bromine and chlorine atom.
Claim 4
Dependent Claim 16 words
A compound of the formula as set forth in claim 1 which is 2, 6-diiodo-4-cyanophenoxy acetonitrile.
Claim 5
Dependent Claim 16 words
A compound of the formula as set forth in claim 1 which is 2, 6-dibromo-4-cyanophenoxy acetonitrile.
Claim 6
Dependent Claim 16 words
A compound of the formula as set forth in claim 1 which is 2, 6-dichloro-4-cyanophenoxy acetonitrile.
Claim 7
Dependent Claim 15 words
A compound of the formula as set forth in claim 1 which is 2-chloro-6-iodo-4-cyanophenoxy acetonitrile.
Claim 8
Dependent Claim 15 words
A compound of the formula as set forth in claim 1 which is 2-chloro-6-bromo-4-cyanophenoxy acetonitrile.
Claim 9
Dependent Claim 15 words
A compound of the formula as set forth in claim 1 which is 2-bromo-6-iodo-4-cyanophenoxy acetonitrile.

References Cited (Backward Citations)

US3467692A Cited
US3449357A Cited
US3535365A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-09-22 1979-03-24 1979-09-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-09-22 1983-03-24 1983-09-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-09-22 1987-03-24 1987-09-23 $7700.00 Window Closed / Lapsed

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