Peptide synthesis using pepsin
CA 1046441 A · Owner: (Zaidanhojin) Sagami Chemical Research Center · Inventors: Isowa, Yoshikazu; Kuroiwa, Katsumasa; Narita, Koichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a process for producing a peptide having the formula, X-A-B-C-Y (III) wherein A represents Ala , Gln. Asn. .omega.-BOC-Lys. Leu. Gly. Glu. or Pro; A may be A1 - A2 and A1 represents a hydrophilic amino acid residue and A2 represents Val. Met. Leu. or Gln.; B represents Phe. Tyr. Leu. Met. Glu. Asp. Gln. Asn or Trp.; C represents Phe. Leu. Ileu. Tyr. Cys-SBzl. Ser-OBzl. Trp. or Met.; X represents an .alpha.-amino acid protective group; an amino acid residue having N-terminal protective group or a peptide residue having N-terminal protective group; Y represents a carboxyl protective group; an amino acid residue having C-terminal protective group or a peptide …
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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 January 16, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 16, 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.