Wound healing composition containing collagen
CA 1294546 C · Owner: Sundsmo, John S. · Inventors: Ross, Russell; Mcpherson, John M.; Ksander, George A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract A soft tissue wound healing composition comprising a mixture of fibrillar collagen heparin, and, an effective amount of a growth chemotactic or, differentiation factor preferably FGF or PDGF in which, the factor may be incorporated as synthetic or purified factor or in the form of undegranulated platelets or platelet releasate.
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 21, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 21, 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.