Expired Canadian patentCanada
Process for producing diol and furan and microorganism capable of same
CA 1258818 A · Owner: Fritzsche Dodge & Olcott Inc. · Inventors: Christenson, Philip A.; Farbood, Mohamad I.; Willis, Brian J.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides a microbiological method for preparing diol and furan compounds from a variety of substrates using the microorganism Hyphozyma roseoniger CBS 214.83 and ATCC 20624.
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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 August 29, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 29, 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.
FiledMay 31, 1985
GrantedAugust 29, 1989
Term endedAugust 29, 2006
Patent numberCA 1258818 A
Classification (IPC)C12N1/14 +2 more
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.