Use of a woven cloth for producing therapeutic aids
CA 2108784 C · Owner: Temova Etablissement · Inventors: Benckhuijsen, Gerrit Jan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A woven cloth composed of at least 50 wt % polyvinyl chloride and/or polyamide fibres that also contains if necessary acrylic fibres, in any case however less than 10 wt % cotton and/or rayon fibres, is used for producing a therapeutic aid for increasing the oxygen partial pressure in animal or human musculature. This woven cloth is preferably composed of at least 50 wt % polyvinyl chloride fibres in, particular more than 75 wt % polyvinyl chloride fibres and maximum 25 wt % acryl and/or polyester fibres. The woven cloth is used for producing bandages or stockings.
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 April 24, 1992 and granted November 4, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 24, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 24, 2014.
- 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.