Aminoethylglycine containing polypeptides
CA 1113457 A · Owner: Hoffmann-La Roche Limited · Inventors: Gallo-Torres, Hugo E.; Heimer, Edgar P.; Dairman, Wallace M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Polypeptides of the formula, I wherein A is L- or D-Trp, X is H-(Aeg)m-Cys- or H-(Aeg)m-Ala-Gly-Cys- Y is -Cys-(Aeg)n-OH or, X and Y taken together are a 2-aminoethylglycyl group in the ring position and, m and n are 0 1, 2, 3 or 4, provided that, m + n are at least 1 the cyclic disulfide derivatives, protamine zinc and protamine aluminum complexes and pharmaceutically acceptable acid addition salts thereof, having valuable pharmacological properties, and methods for the preparation thereof using conventional liquid or solid phase syntheses.
Read the whole patent
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 1, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 1, 1998.
- 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.