Copolyester elastomer compositions and fusion bonded articles
CA 2378818 A1 · Owner: Flexman, Edmund Arthur Jr. · Inventors: Flexman, Edmund Arthur Jr.; Philippoz, Jean-Michel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides a composition that exhibits good adhesion to polyamide material and other materials, comprising 60 to 99 weight percent of a copolyester elastomer, and 1 to 40 weight percent of a novolac resin based on , the total weight of the copolymer elastomer and the novolac resin only wherein the composition comprises greater than 50 weight percent copolyester elastomer based on the total weight of the composition. The invention also concerns an article comprising at least two materials bonded together at one or more defined contact surfaces, a first one of the bonded materials comprising a copolyester elastomer and a novolac resin. Such bodies can be welded, injection …
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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 August 24, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 24, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 24, 2022.
- 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.