Method for preparing protoplasts of laver thallus
CA 1209937 A · Owner: Koasa Trading Co. Ltd. · Inventors: Shibata, Teruhiko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Protoplasts of laver thalus suitable for use in cell fusion can be obtained by treating a thallus of laver with a protease and then treating them with a combination of .beta.-1,3-xylanase and .beta.-1,4mannanase or a combination of .beta.-1,3-xylanase .beta.-1,4-, mannanase and porphyranase.
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 August 19, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 19, 2003.
- 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.