Radiation cross-linked hydrogels
CA 2437870 A1 · Owner: Microvention, Inc. · Inventors: Cruise, Gregory M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Radiation-crosslinked, biodegradable, synthetic hydrogels and their use in various applications, including certain medical applications wherein the hydrogel(s) are implanted on or in the body of a human or animal patient. Radiation-crosslinked, biodegradable, synthetic hydrogels of this invention may be prepared by irradiating monomers (e.g. ethylenically unsaturated hydrocarbons such as acrylic monomers and methacrylic monomers) or polymers some of which are biodegradable or which contain biodegradable units or subunits. Specific medical applications of these radiation-crosslinked biodegradable, synthetic hydrogels include applications wherein the hydrogel is used for hemostasis, …
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 13, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 13, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 13, 2024.
- 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.