Production of thermostable xylanase and cellulase
CA 1325613 C · Owner: Tan, Larry U. L. · Inventors: Tan, Larry U. L.; Saddler, John N.; Yu, Ernest K. C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides for the use in the production of cellulolytic and xylanolytic enzymes particularly xylanase and cellulase, of the microorganism Thermoascus aurantiacus 235E in a culture medium containing at least one of a cellulose or hemicellulose substrate whereby to produce thermostable enzymes particularly, cellulase and xylanase.
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 December 28, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 28, 2010.
- 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.