Control of senescence in fruits, vegetables and flowers
CA 1290162 C · Owner: Dumbroff, Erwin B. · Inventors: Thompson, John E.; Shih, Ching Y.; Dumbroff, Erwin B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Senescence in perishable plant tissue is inhibited by the application thereto of an effective amount of a compound of the formula:, wherein R1, R2 R3, R4 and R5 are each selected from the group consisting of hydrogen, -OH or -OR7 provided that, at least one of R1 to R5 is a hydroxyl group R6 is, selected from the group consisting of -OH -OR8 and, -NHR9, R7 is a substituent group R8 is the residue of, an ester-forming compound and R9 is the residue of an amide-forming compound. The compound may be prepared synthetically and, in some cases, can be isolated from natural sources, for example, the glucose ester of ferulic acid may be isolated from carnation petals.
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 October 8, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 8, 2008.
- 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.