Biocompatible polymers and co-polymers, and uses thereof
CA 2606284 C · Owner: Hitz, Hans · Inventors: Schaefer, Rolf; Schaefer, Christoph; Hitz, Hans
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to highly biocompatible or biophilic un-cross-linked or cross-linked polymers comprising one or more side-chain active acrylic amino acids of formula (I). The invention further concerns various highly biocompatible, cross-linked co-polymers comprising one or more monomers of formula (I), and one or more other polymerizable monomers. Uses of such polymers and co-polymers for the production of contact lenses intraocular , lenses, implants, wound healing slabs additives for food and cosmetics, conductive plastics spinnable fibers, and the like are 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 May 22, 2006 and granted April 8, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 22, 2026.
- 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.