Polyester fiber and production method of polyester composition
CA 2378455 A1 · Owner: Toray Industries, Inc. · Inventors: Naruse, Yoshihiro; Sasaki, Toshihiro; Matsumura, Yoshitaka
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fiber comprising a polyester having moisture-absorbing and releasing property which contains 1 to 20 wt.% of silica-based inorganic particles having moisture-absorbing and releasing property and has specific ranges of an average diameter, a specific surface area a pore volume and a moisture , absorbing parameter ( .DELTA.MR). The fiber exhibits excellent moistureabsorbing and releasing property and thus can be suitably used as a fiber having moisture-absorbing and releasing property for a synthetic fiber fabric being comfortable to wear.
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 May 21, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 21, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 21, 2023.
- 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.