Fireproof composite yarn comprising three types of fibers
CA 2493948 A1 · Owner: Paire, Christian · Inventors: Paire, Christian; Lanier, Thierry
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates a fireproof composite yarn comprising: - flameproof fibers at a quantity of more than 40 percent relative to the total weight of the yarn, said fibers being made of a crystalline or semicrystalline polymeric material; - hydrophilic fibers at a quantity ranging between 10 and 45 percent relative to the weight of the flameproof fibers said hydrophilic fibers being , made of an infusible material; - thermostable fibers at a quantity ranging between 4 and 50 percent relative to the total weight of the yarn said , thermostable fibers being made of a non-flammable material. The invention also relates to a fabric comprising at least one woven or knitted textile layer …
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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 July 30, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 30, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 30, 2025.
- 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.