Collagen synthetic vascular graft composite
CA 1264207 C · Owner: Hoffman, Harmon, Jr. · Inventors: Hoffman, Harmon, Jr.; Schankereli, Kemal
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A collagen-treated vascular graft includes a porous synthetic vascular graft substrate formed by knitting or weaving with at least three layers of dispersed collagen fibrils. Plasticizers are incorporated into the collagen slurry before application and the slurry is applied in separate treatments by massage and flow through techniques, cross-linked by exposure to formaldehyde vapor and dried.
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 January 9, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 9, 2007.
- 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.