Process for production of stretched moldings
CA 1338394 C · Owner: Idemitsu Kosan Co. Ltd. · Inventors: Amano, Junichi; Tanaka, Masato; Machida, Shuji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a process for producing a stretched molding which comprises stretching a straight chain random copolymer having: a repeating unit (A) represented by the formula: ?CH2-CH2?, and a repeating unit (B) represented by the formula: the proportion of said repeating unit (B) being 0.01 to 10 mol%; and, an intrinsic viscosity ? as measured at 135°C in decalin of at least 5 d?/g. A stretched molding obtained by the present invention has mechanical properties equivalent or superior to those of the conventional super high molecular weight polyethylene stretched molding and is excellent in adhesive properties dyeability, printability and so on, and thus is greatly useful …
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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
- Granted June 11, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 11, 2013.
- 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.