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US3661916A Expired / Lapsed US ⏱️ 0.0 years remaining

Thiocarboxylic acid esters of 8-azabicyclo(3.2.1)octanes and 9 -azabicyclo(3.3.1)nonanes

Assignee: Novartis Corp
•
Filing: 1970-07-20
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Granted: 1972-05-09
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Expires: 1990-07-20
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Abstract

Abstract COMPOUNDS OF THE FORMULA 1-(R-Y-C(=X)-),2,4-(-(CH2)N-)AZETIDINE WHEREIN R REPRESENTS LOWER ALKYL, LOWER HALOGENALKYL, LOWER ALKENYL OR LOWER HALOGENALKENYL, N REPRESENTS THE INTEGER 0 TO 1 AND OF THE SYMBOLS X AND Y, ONE REPRESENTS SULPHUR AND THE OTHER REPRESENTS OXYGEN OR SULPHUR ARE DISCLOSED AS HERBICIDALLY ACTIVE SUBSTANCES. COMPOSITIONS AS WELL AS A METHOD FOR CONTROLLING WEEDS AND WILD GRASSES WITH THE AID OF SUCH COMPOUNDS ARE ALSO DESCRIBED.

Inventors

  • 👤 Elmar Sturm
  • 👤 Christian Vogel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 14:12
CPC Classifications
C; C07; C07D; C07D451/00; C07D451/02; C07D451/14

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-05-09 1975-11-08 1976-05-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-05-09 1979-11-08 1980-05-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-05-09 1983-11-08 1984-05-09 $7700.00 Window Closed / Lapsed

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