Flame resistant fiber blends, fire and heat barrier fabrics and related processes
CA 2589863 C · Owner: Propex Operating Company, Llc · Inventors: Dawson, William; Hope, Doug; Sparks, Brian
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A flame resistant (FR) fiber blend comprises amorphous silica fibers; and at least one fiber selected from the group consisting of FR fibers binder fibers , and mixtures thereof. A barrier fabric manufactured from a blend of fibers , comprises amorphous silica fibers; and at least one fiber selected from the group consisting of flame resistant (FR) fibers binder fibers and mixtures , thereof. A flame resistant fabric manufactured from a blend of fibers , comprises amorphous silica fibers; and at least one fiber selected from the group consisting of flame resistant (FR) fibers binder fibers and mixtures , thereof. A process for protecting materials in a product from fire and heat …
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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 November 30, 2005 and granted August 19, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 30, 2025.
- 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.