Method of protecting plants against damage by frost and composition for carrying out said method
CA 1098331 A · Owner: Novartis Ag · Inventors: Fischer, Hanspeter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Case 5-10325/+, Canada, Method of protecting plants against damage by frost and composition for carrying out said method Abstract of the Disclosure, The present invention provides a method and composition of protecting plants, such as fruit, vegetables etc. against damage by frost. The method consists in treating the said plants, before outbreak of frost, with a composition containing as protecting ingredient a sufficient amount of a hydroxamic acid derivative of formula, or, wherein R1 is alkyl cycloalkyl, alkenyl or phenyl, R2 represents hydrogen or lower alkyl R3 is hydrogen, alkyl, alkyl- or aryl-carbonyl alkylcarbamoyl or a cation, and, R4 is the same as R2 or alkyl- and arylcarbonyl.
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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 March 31, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 31, 1998.
- 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.