Efficient riboflavin production with yeast
CA 1305679 C · Owner: Burdzinski, Linda · Inventors: Heefner, Donald L.; Boyts, Annette; Yarus, Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of systematically generating and isolating highly flavinogenic strains of Candida flareri. The strains Candida flareri GA18Y8-6#2 dgr and Candida flareri GA18Y8-6#2#11 have been developed and produce yields of ca. 7.0 to 7.5 grams per liter per 6 days. The method includes a combination of iterative mutagenizing steps and protoplast fusion steps performed on the parent strain and the descendant strains which are selected following each step according to a screening protocol. AAAAA1/00950-2
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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 July 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 28, 2009.
- 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.