Stabilizable preform precursors and stabilized preforms for composite materials and processes for stabilizing and debulking preforms
CA 2554496 C · Owner: Cytec Technology Corp. · Inventors: Lo Faro, Carmelo; Aldridge, Matt
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A stabilizable preform precursor for composites is provided. The preform precursor has at least one layer of a structural fabric comprised of reinforcing fibers wherein at least one of the layer(s) of structural fabric has integrated therein one or more stabilizing fiber(s) that dissolves at a dissolution temperature in a resin for infusing into the structural fabric to make the composite. The stabilizing fiber stabilizes the stabilizable preform precursor when the stabilizable preform precursor is subjected to an elevated temperature.
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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 December 28, 2004 and granted August 21, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 28, 2024.
- 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.