Gonadoliberin derivatives and process for the preparation thereof
CA 1268897 C · Owner: Kozponti Valto- Es Hitelbank Rt Innovacios Alap · Inventors: Szoke, Balazs; Gulyas, Tamas; Keri, Gyorgy
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to gonadoliberin derivatives of the general formula (I) Glp-His-Trp-Ser-Tyr-X1-X2-X3-Pro-X4, wherein X1 is a glycyl group or a D-isomer of any natural or synthetic amino acid group, X2 represents an L-amino acid group having 1 to 4 carbon atoms in the side chain, L-phenyl- -alanyl or L-tryptophyl group, X3 represents an L-amino acid group having a C1-4 alkyl or C2-4 alkanoyl-amide side chain and, X4 is a glycine amide or a C1-4 alkyl amide group, with the proviso that if X1 stands for a group other than glycyl and X2 is a tryptophyl group then X3 may not be leucyl, and the addition salts formed with therapeutically useable acids and complexes thereof. Furthermore the …
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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 May 8, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 8, 2007.
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Timeline
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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.