Implantable collagen-containing putty material
CA 2280966 C · Owner: Centerpulse Biologics Inc. · Inventors: Benedict, James A.; Damien, Christopher J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides compositions for an implantable putty material for delivery of active compounds to a patient. More specifically the present , invention provides a material having a pH of between about 3 and 6 and possessing a putty like physical property wherein the composition of the , material includes collagen and water. The present invention also provides a method for using the implantable putty material.
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
- Filed February 12, 1998 and granted April 17, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 12, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 12, 2020.
- 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.