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Expired Canadian patentCanada

Synthetic peptides having pituitary growth hormone releasing activity

CA 1317069 C · Owner: Momany, Frank A. · Inventors: Bowers, Cyril Y.; Momany, Frank A.

CIPO record

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Abstract From the Canadian patent

Intermediates for novel peptides of general formula: (I) or, (II), wherein a and b are zero or one; X1 X2, X3, X1', X2' and, X3' are N-terminal or desamino .alpha.-C substitutions; Y is a C-terminal or descarboxy .alpha.-C substitution; and A1 to A6 are amino acid residues as defined in the disclosure,

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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 April 27, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 27, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 23, 1982
GrantedApril 27, 1993
Term endedApril 27, 2010
Patent numberCA 1317069 C
Classification (IPC)C07K14/60 +1 more

Timeline

Timeline From CIPO dates

1983198619891992199519982001200420072010Application filedDec 23, 1982Patent grantedApril 27, 1993Term endedApril 27, 2010

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.