Homocyclostatine and cyclostatine containing polypeptides as antihypertensive agents
CA 1321676 C · Owner: Rosati, Robert Louis · Inventors: Hoover, Dennis Jay; Rosati, Robert Louis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, Polypeptides and derivatives thereof containing homocyclostatine and cyclostatine of the formula (I), (wherein X is hydrogen, methoxy or hydroxy; R is alkyl having one to six carbon atoms or methylthiomethyl; n is an integer of 0 or 1; R1 is amino, alkylamino having from one to five carbon atoms alkoxy having from one to three carbon atoms or 2-alkoxycarbonylpyrrolidin-1-yl in which the alkoxy has from one to three carbon atoms; and R2 is -CH2CH(Cl)=CH2 C3-4alkyl, -CH2CH=CH-CH2N3, -(CH2)4NH2 -CH2CH(Br)=CH2, -CH2CH=CHCl, -CH2CH=C(CH3)2 -CH2CH=CHCH3 or -CH2CH?CH, with the proviso that n is 0, only when R is methylthiomethyl and R1 is amino the, alkylamino, the alkoxy or 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 August 24, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 24, 2010.
- 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
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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.