A wound dressing
CA 2640197 C · Owner: Mouton, Jacobus Frederick · Inventors: Mouton, Jacobus Frederick
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a wound dressing (10). The wound dressing includes first and second absorbent layers (12, 14) of a non-woven fabric of viscose and polyester fibres. Each absorbent layer has an operatively inner face (20 26) and an operatively outer face (18, 22). The first and the second absorbent layers are bonded together with their operatively inner faces in face-to-face relationship, such that the absorbent layers together form a pad. The bonding between the first and second absorbent layers is effected by means of a needlepunching process in which the needle punching density is no more than 400 punches/cm2. The wound dressing further includes a third layer (16) …
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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 March 31, 2006 and granted August 13, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 31, 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.