Catheter assembly with bactericidal effect
CA 2601031 C · Owner: Astra Tech Ab · Inventors: Utas, Jan; Schmid, Andrea; Nordholm, Agneta
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A use in a medical device of at least one salt of organic acid(s) and , preferably a benzoate or a sorbate as an antimicrobial agent is disclosed and in particular for the manufacturing of an antimicrobial coating for a medical device for the prevention of bacterial infection. This is very useful in medical devices having a hydrophilic coating such hydrophilic urinary , catheters. It is further preferred that the pH of the hydrophilic coating is controlled to be in the range 4.0 - 8.0 and preferably in the range 5.0 - , 6Ø It is also preferred that the pH of the hydrophilic coating is controlled to be below 7Ø The pH of the hydrophilic coating could be controlled by means of a pH …
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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 April 21, 2006 and granted August 6, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 21, 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.