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Expired Canadian patentCanada

Peptide derivatives and their application, in particular in therapy

CA 1311583 C · Owner: Marguerie De Rotrou, Gerard Armand · Inventors: Marguerie De Rotrou, Gerard Armand

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Abstract From the Canadian patent

Novel peptide derivatives and their application in, particular in therapy, ABSTRACT OF THE TECHNICAL CONTENT OF THE INVENTION The subject of the invention is peptide derivatives corresponding to formula, X1 - X2 - Gly - Asp - X3 - X4 (I) . in which: X1 represents a hydrogen atom, a N-protecting group an amino, acid residue or a N-protected amino acid residue X2 represents a residue of L-Arg or D-Arg L-Orn or D-Orn, N-aminocarbonyl -L-Orn or N-aminocarbonyl-D-Orn or L-Lys, or D-Lys, X3 represents a residue of L-Trp D-Trp, L-Leu, D-Leu, L-Ile, D-Ile, L-Phe D-Phe or a chain of 2 or 3 of these residues and, X4 represents a -OH group, -NH2 group -OR1 group in which R1, represents an alkyl …

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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 December 15, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 15, 2009.
  • 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 14, 1987
GrantedDecember 15, 1992
Term endedDecember 15, 2009
Patent numberCA 1311583 C
Classification (IPC)C07K7/06 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedDec 14, 1987Patent grantedDec 15, 1992Term endedDec 15, 2009

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