Composition for forming antithrombotic medical appliances
CA 1301656 C · Owner: Saito, Hironobu · Inventors: Kurihara, Kozo; Saito, Hironobu; Misho, Yukie
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A composition comprising a polymer having dispersed therethrough a prostacyclin derivative selected from the group consisting of compounds of formula (I): (I), (in which R1 represents-hydrogen or lower alkyl R2, represents a C3 - C12 alkyl group or a C3 - C12 alkenyl group; and n is an integer from 1 to 5; and pharmaceutically acceptable salts thereof) can be used to make a medical appliance from which the prostaglandin, having antithrombotic properties will be, released gradually and in a controlled way.
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 May 26, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 26, 2009.
- 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.