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US4146632A Expired / Lapsed US ⏱️ 0.0 years remaining

Combating pests with N,N-dimethyl-O-[3-tert.-butylpyrazol-5-yl]-carbamic acid esters

Assignee: Bayer AG
•
Filing: 1977-09-16
•
Granted: 1979-03-27
•
Expires: 1997-09-16
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Abstract

Abstract N,N-dimethyl-O-[3-tert.-butylpyrazol-5-yl]-carbamic acid esters of the formula ##STR1## in which R represents hydrogen, alkyl or cyanoalkyl and R 1 represents hydrogen, halogen or alkyl which possess arthropodicidal and nematicidal properties.

Inventors

  • 👤 Wolfgang Hofer
  • 👤 Fritz Maurer
  • 👤 Hans-Jochem Riebel
  • 👤 Rolf Schroder
  • 👤 Ingeborg Hammann
  • 👤 Wolfgang Behrenz
  • 👤 Bernhard Homeyer
  • 👤 Wilhelm Stendel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 09:15
CPC Classifications
A; A01; A01N; A01N47/00; A01N47/08; A01N47/10; A01N47/18; C; C07; C07D; C07D231/00; C07D231/02; C07D231/10; C07D231/14; C07D231/18; C07D231/20

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 32 words
An N,N-dimethyl-O-[3-tert.-butylpyrazol-5-yl]-carbamic acid ester of the formula ##STR10## in which R represents hydrogen, or alkyl or cyanoalkyl with 1 to 4 carbon atoms in either alkyl radical, and R 1 represents halogen.
Claim 2
Dependent Claim 32 words
An N,N-dimethyl-O-[3-tert.-butylpyrazol-5-yl]-carbamic acid ester of the formula ##STR10## in which R represents hydrogen, or alkyl or cyanoalkyl with 1 to 4 carbon atoms in either alkyl radical, and R 1 represents halogen.
Claim 3
Dependent Claim 14 words
An ester according to claim 1, in which R represents hydrogen, methyl or cyanoethyl.
Claim 4
Dependent Claim 17 words
An ester according to claim 1, wherein such ester is N,N-dimethyl-O-[4-chloro-1-methyl-3-tert.-butylpyrazol-5-yl]-carbamic acid ester of the formula ##STR11##
Claim 5
Dependent Claim 27 words
An arthropodicidal or nematicidal composition containing as active ingredient an arthropodicidally or nematicidally effective amount of a compound according to claim 1 in admixture with a diluent.
Claim 6
Dependent Claim 33 words
A method of combating anthropods or nematodes which comprises applying to the arthropods or nematodes, or to a habitat thereof, an arthropodicidally or nematicidally effective amount of a compound according to claim 1.
Claim 7
Dependent Claim 16 words
The method according to claim 5 in which said compound is applied to a domesticated animal.
Claim 8
Dependent Claim 14 words
The method according to claim 5, in which said compound is N,n-dimethyl-O-[4-chloro-1-methyl-3-tert.-butylpyrazol-5-yl]-carbamic acid ester.

References Cited (Backward Citations)

CH279553A Cited
CH282655A Cited
US2681915A Cited
CH414249A Cited
US3415933A Cited
GB1092696A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1982-03-26 1982-09-25 1983-03-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1986-03-26 1986-09-25 1987-03-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1990-03-26 1990-09-25 1991-03-27 $7700.00 Window Closed / Lapsed

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