Far infrared radiation powder and synthetic fiber containing said radiation powder mixed therein and fiber articles comprising said fiber
CA 2046875 C · Owner: Komuro, Toshio · Inventors: Komuro, Toshio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to far infrared radiation powder and synthetic fiber containing the radiation powder mixed therein and fiber articles made of the synthetic fiber. The radiation powder comprising chiefly alumina, titanium and platinum or palladium or, alumina, silica and palladium provides sufficient quantities of far infrared radiation having a wide wavelength range. The clothes and bedding made of the synthetic fiber containing far infrared radiation powder are warm and heat-retaining. And the wrapping articles for fresh meat and fish made in relation with the present invention are antibacterial and effective for keeping freshness of the wrapped food.
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 28, 1990 and granted January 11, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 28, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 28, 2012.
- 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.