Purification of lipolytic enzymes by adsorption
CA 1050458 A · Owner: Gb Fermentation Industries Inc. · Inventors: Como, John J.; Feldman, Louis I.; Moskowitz, Gerard J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Lipolytic enzyme is selectively and quantitatively recovered from the fermentation growth product of Mucor species by adsorption with diatomaceous earth or clay at relatively low pH followed by elution of the lipolytic enzyme from the absorbent by adjustment to relatively high pH.
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 March 13, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 13, 1996.
- 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.