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Expired Canadian patentCanada

Therapeutic lhrh analogs

CA 1257950 A · Owner: The Administrators Of The Tulane Educational Fund · Inventors: Coy, David H.; Moreau, Jacques-Pierre

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A compound having the formula K-His-Trp-Ser-Tyr- M-Q-Arg-Pro-T, wherein K is N-Acetyl-Sarconsine or pGlu: is D-Phe, D-Trp, D-.beta. -Nap.hthylalanine or D-4-X-Phe, wherein X is OH, F, Cl, Br or Me: Q is Leu, Phe, 4-X-Phe, Trp, or .beta.-Naphthylamine (wherein X is OH F, Cl, Br, or Me), or an N-Me-derivative thersof: and T is Gly-NH2, NHCH3, NHCH2CH3, or NHCH2CH2CH3; provided that, when Q is Leu or N-Me-Leu K cannot be, pGlu: or a phar~aceutically acceptable salt thereof.

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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 25, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 25, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 18, 1985
GrantedJuly 25, 1989
Term endedJuly 25, 2006
Patent numberCA 1257950 A
Classification (IPC)C07K7/23 +1 more

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedJune 18, 1985Patent grantedJuly 25, 1989Term endedJuly 25, 2006

Sources & verification

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