Biostatic polymeric formed articles
CA 2601738 C · Owner: Kritzler, Steven · Inventors: Kritzler, Steven
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Compositions comprising a polyvinyl alcohol in combination with a biocide which is a plasticiser, such as a quaternary ammonium compound or in , combination with a biocide and a compatible plasticiser and wherein the , biocide forms a complex with the polyvinyl alcohol said combination having , been heated to above its melting point said composition having a surface , which remains biostatic or biocidal for at least 7 days. A hot melt of the composition may be cast or applied as a film or coating or may be extruded moulded or otherwise into articles. Volatiles formed during heating may be removed from the combination e.g. by low pressure.
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 2, 2006 and granted June 17, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 2, 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.