Lh-rh analogues
CA 1057743 A · Owner: Wellcome Foundation Limited (The) · Inventors: Wilkinson, Samuel; Lowe, Lawrence A.; Beddell, Christopher R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Novel peptide compounds of the formula X1-X2-X3-X4-X5-X6-X7-X8-Pro-W, are provided together with their acid addition salts and their complexes with pharmaceutically acceptable metals. The compounds are LH-RH analogues and together with their salts and complexes exhibit LH-RH antagonist activity. In the formula X1 is selected from pyroglutamyl, a group V1-Prowhere V1 is acyl, alkyloxycarbonyl or aralkyloxycarbonyl and a group V2-CO- where V2 is cycloalkyl; X2 is selected from histidyl and a direct bond; X3 is selected from phenylalanyl optionally substituted in the benzene ring and tryptophyl; X4 is selected from glycyl, seryl, alanyl (D- or L) D-leucyl and D-valyl;, X5 is phenylalanyl …
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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 July 3, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 3, 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.