Polyamide resin compositions
CA 2002368 A1 · Owner: Hori, Hiroyuki · Inventors: Hashimoto, Mikio; Akana, Yoshinori; Hori, Hiroyuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is disclosed a polyamide resin composition which comprises:, (A) an aromatic polyamide resin comprising (a) a dicarboxylic acid component which comprises an aromatic dicarboxylic acid component and (b) a diamine component comprising at least one of an aliphatic diamine component and an alicyclic diamine component;, (B) an olefin copolymer in amounts of 0.5-50 parts by weight in relation to 100 parts by weight of the aromatic polyamide resin, the olefin copolymer comprising an .alpha.-olefin component and an .alpha. .beta.unsaturated carboxylic acid glycidyl ester component in amounts of 1-30 % by weight based on the copolymer. The polyamide resin composition may further contain a …
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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 7, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 7, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 7, 2011.
- 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.