Composite molded articles and process for producing same
CA 1309822 C · Owner: Sekisui Kagaku Kogyo Kabushiki Kaisha · Inventors: Yamaji, Katsuhiko; Tsukamoto, Masahiro; Ishida, Masahiko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A composite molded article made of a nonwoven fibrous mat wherein inorganic monofilaments having a length of 10 to 200 mm and a daimeter of 2 to 30 micrometers are partially bonded with a thermoplastic resin binder, many voids being provided throughout the mat and a large number of fine holes communicating with the voids in the inside being formed in at least one surface of the mat; and processes for producing the same.
Read the whole patent
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 November 10, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 10, 2009.
- 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.