Anticancer agent
CA 1262016 A · Owner: Chlorella Industry Co. Ltd. · Inventors: Shinpo, Kunihiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
11-, Abstract of the Disclosure, An anticancer agent extracted and isolated from chlorella is disclosed. This anticancer agent is a kind of glycoprotein having an average molecular weight of 4.5 x 104, of which protein moiety consists of .alpha.-helix and random coil, sugar moiety consists of .beta.-polysaccharide, and circulor dichroism spectrum has a positive peak at 275 nm.
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 September 26, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 26, 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.
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.