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US3625992A Expired / Lapsed US ⏱️ 0.0 years remaining

N-methyl phenyl carbamates

Assignee: BASF Schweiz AG
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Filing: 1967-11-28
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Granted: 1971-12-07
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Expires: 1987-11-28
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Abstract

Abstract The present invention relates to carbamates of the general formula (IN WHICH A and A'' are identical or different and each represents a hydrogen atom or a lower alkyl radical and/or a carbalkoxy group), n represents an integer selected from 0, 1 and 2, R4 represents a substituent selected from the class consisting of a hydrogen atom, an aliphatic and an araliphatic radical, R5 represents a substituent selected from the class consisting of a hydrogen atom, an aliphatic and an aromatic radical, R6 represents a substituent selected from the class consisting of a hydrogen atom, an aliphatic radical, an aliphatic radical linked with the nitrogen atom through oxygen, with the proviso that when R4 represents a hydrogen atom, the phenolic group must be in pposition relatively to the nitrogen-containing group as well as to pesticidal preparations containing, as active ingredients, such carbamates as defined above. and the group IN WHICH R1 is a substituent selected from the group consisting of hydrogen and an aliphatic radical, R2 represents a substituent selected from the group consisting of an aliphatic, an araliphatic and an aromatic radical, R3 is a substituent selected from the class consisting of a halogen atom, a lower alkyl, a lower alkoxy, a lower alkylthio, a lower alkylsulfinyl, a lower alkylsulfonyl radical, the group -NO2, -CN, -SCN, -CHO,

Inventors

  • 👤 Dieter Duerr
  • 👤 Ladislaus Pinter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 23:40
CPC Classifications
C; C07; C07C; C07C335/00; C07C335/30; C07C335/32

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 5 words
A carbamate of the formula

References Cited (Backward Citations)

DE932064C Cited
US2776197A Cited
US3434822A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-12-06 1975-06-07 1975-12-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-12-06 1979-06-07 1979-12-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-12-06 1983-06-07 1983-12-07 $7700.00 Window Closed / Lapsed

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