Expired Canadian patentCanada
Method for protein stabilization
CA 1287588 C · Owner: Schinitsky, Michael R. · Inventors: Schinitsky, Michael R.; Meisner, Lorraine F.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Peptides, polypeptides proteins, proteinaceous, hormones, and enzymes are modified by covalently bonding chondroitin thereto, whereby their stability toward in vivo degradation is increased.
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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 13, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 13, 2008.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 25, 1986
GrantedAugust 13, 1991
Term endedAugust 13, 2008
Patent numberCA 1287588 C
Classification (IPC)C07K1/10 +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.