Compositions containing acetylenic glycol safeners for spring wheat
CA 1079082 A · Owner: American Cyanamid Company · Inventors: Whitehead, David L.; Demchak, Richard J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Novel composition comprising in combination a 1,2dialkyl-3,5-diphenylpyrazolium salt and an acetylenic glycol safener, and a method of utilizing said composition for the selective postemergence control of wild oats in spring wheat whereby the said safener minimizes the phytotoxic damage frequently caused by said 1,2-dialkyl-3,5-diphenylpyrazolium salt.
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
- Granted June 10, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 10, 1997.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.