Patent Yard Sign in
Expired Canadian patentCanada

Storage-stable sulphonamide formulations

CA 2622063 C · Owner: Bayer Intellectual Property Gmbh · Inventors: Schnabel, Gerhard; Krause, Hans-Peter; Grohs, Ralph

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

The present invention relates to storage-stable solid water-dispersible formulations , for controlling harmful plants comprising: (a) propoxycarbazone or the sodium salt , thereof, and iodosulfuron-methyl or the sodium salt; (b) one or more carrier materials; , and (c) one or more wetting agents selected from the group consisting of the salts of , an alkylated naphthalenesulfonic acid.

Read the whole patent

Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed August 29, 2006 and granted April 22, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 29, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 29, 2006
GrantedApril 22, 2014
Term endedAugust 29, 2026
Patent numberCA 2622063 C
Classification (IPC)A01N47/28 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedAug 29, 2006Patent grantedApril 22, 2014Term endedAug 29, 2026

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.