Sunflower regeneration through embryogenesis
CA 1259937 A · Owner: Sungene Technologies Corporation · Inventors: Wilcox, Anne S.; Cooley, Gloria L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to the regeneration of sunflowers via embryogenesis. The process comprises the steps of:, (a) culturing tissue obtained from a sunflower plant on a first medium which comprises mineral salts vitamins, amino acids, sucrose and a hormone in an amount sufficient to ensure embryogenic callus formation;, (b) subculturing said callus on a second medium which comprises mineral salts, vitamins, sucrose and a hormone in an amount sufficient to ensure embryo formation and germination of said embryo, and, (c) subculturing said embryo or said germinated embryo on a third medium which comprises mineral salts vitamins and sucrose, whereby plants are obtained.
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 September 26, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 26, 2006.
- 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.