Patent US4837157A successfully refreshed from Google Patents.
← Back to Patent Explorer
EP0353640A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Heterocyclic N-acylsulphonamides, process for their preparation, agents containing them and their use as herbicides and plant growth regulators

Assignee: Bayer CropScience AG
•
Filing: 1989-07-28
•
Granted: —
•
Expires: 2009-07-28
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Translated from German Verbindungen der Formel I oder deren Salze worin R 1 = H oder einen aliphatischen Rest; R 2 ,R 3 = H, Alkyl oder Phenyl; W= 0, S, NR 4 oder NOR 4 ; X= CHR 2 , 0 oder NR 4 ; L= einen (subst.) Phenyl-, Naphthyl- oder monocyclischen Heteroaryl-Rest, A einen (subst.) Pyrimidyl-, Triazinyl-, Triazolyl- oder bicyclischen Heteroaryl-Rest und m,n = 0 oder 1 bedeuten, besitzen vorteilhafte herbizide oder pflanzenwachstumsregulierende Eigenschaften. Compounds of formula I or their salts wherein R 1 = H or an aliphatic radical; R 2 , R 3 = H, alkyl or phenyl; W = 0, S, NR 4 or NOR 4 ; X = CHR 2 , 0 or NR 4 ; L = a (subst.) Phenyl, naphthyl or monocyclic heteroaryl radical, A denotes a (subst.) Pyrimidyl, triazinyl, triazolyl or bicyclic heteroaryl radical and m, n = 0 or 1 have advantageous herbicides or plant growth regulating properties.

Inventors

  • 👤 Oswald Dr. Ort
  • 👤 Lotha Dr. Willms
  • 👤 Klaus Dr. Bauer
  • 👤 Hermann Dr. Bieringer
  • 👤 Arno Dr. Schulz

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-09 03:38
CPC Classifications
C; C07; C07D; C07D239/00; C07D239/02; C07D239/24; C07D239/28; A; A01; A01N; A01N43/00; A01N43/48; A01N43/54; C07D239/32; C07D239/34; C07D239/46; C07D239/52; C07D249/00; C07D249/02; C07D249/08; C07D249/10; C07D249/12; C07D251/00; C07D251/02; C07D251/12; C07D251/14; C07D251/16; C07D251/22; C07D251/24; C07D251/26; C07D401/00; C07D401/02; C07D401/12; C07D403/00; C07D403/02; C07D403/12; C07D409/00; C07D409/02; C07D409/12; C07D473/00; C07D491/00; C07D491/02; C07D491/04

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag