Polypeptide compounds
CA 1328948 C · Owner: Imperial Chemical Industries Plc · Inventors: Cotton, Ronald; Dutta, Anand Swaroop
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a polypeptide of formula I:- R1-CO-A1-A2-A3-A4-A5-A6-Q I, wherein each of the generic terms is disclosed in full in the specification and includes:-, R1 is a 5- or 6-membered unsaturated heterocyclic ring which contains one, two or three nitrogen atoms, which ring may optionally bear one or two substituents A1 is a direct link to A2 or is His or D-His; A2 is, Trp or MeTrp; A3 is Ala or MeAla; A4 is Val; A5 is Gly or D-Ala; A6 is His or Lys(Z); and Q is a group of the formula -A7.R2 in which A7 is Leu or MeLeu and R2 is hydroxy, amino, (1-3C)alkylamino or (1- 3C)alkoxy; or Q is (1-6C)alkoxy or (1-10C)alkylamino. The compounds possess antagonist properties against …
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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 26, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 26, 2011.
- 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.