2-sulfonyloxyethyl-phosphonic or thionophosphonic acid derivatives as plant growth regulators
CA 1048498 A · Owner: Mitsubishi Petrochemical Co. Ltd. · Inventors: Shugaya, Kiyoshi; Ikeda, Kaoru; Takematsu, Tetsuo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A plant growth regulator comprising as an active ingredient a compound having a novel 2-sulfonyloxyethylphosphonic or -thionophosphonic acid skeleton of the formula and a process for the production of the above compound. A method for regulating the growth of plants which comprises applying the above regulator to plants or to the locus in which the plants are growing or will be grown. - 1 -
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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 February 13, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 13, 1996.
- 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
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.