Biocompatible crosslinked gel
CA 2554597 C · Owner: Hermitte, Laurence · Inventors: Hermitte, Laurence; Benoit, Olivier
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method for producing a biocompatible crosslinked gel consisting in crosslinking a determined quantity of at least one type of liquid biocompatible polymer by adding a quantity of crosslinking agent in carrying out a crosslinking reaction in adding an additional quantity of liquid polymer whose molecular mass is greater than 500,000 Da in solving the reaction mixture in such a way that the total concentration of the liquid polymer is reduced in crosslinking and in stopping the crosslinking reaction by removing the crosslinking agent. The inventive gel and the use thereof are also disclosed.
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 January 31, 2005 and granted April 24, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 31, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.