Surgical filament coating
CA 1317075 C · Owner: American Cyanamid Company · Inventors: Lehmann, Leonard T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Title: SURGICAL FILAMENT COATING, ABSTRACT The invention discloses a surgical filament having a coating comprising a compound of the formula: , (I), wherein x is at least 2, R' is selected from the group consisting of an alkaline-earth metal ion or radical and R", is an alkyl group having at least 12 carbon atoms in the backbone. In a specific embodiment, the surgical filament is a bioabsorbable suture or ligature manufactured from a polymer containing at least one glycolic acid ester linkage.
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 4, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 4, 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
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.