Insert injection molding method and molded article
CA 1316654 C · Owner: Fukui, Kiichiro · Inventors: Yamamoto, Seiji; Fukui, Kiichiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A thermoplastic resin is molded by the insert injection method, characterized by using an insert material having, applied to the surface thereof a, coating comprising a coating agent composed of an organic polymer compound and, incorporated therein at least one compound selected from the group consisting of a spiro ortho ester compound, a spiro orthocarbonate compound, a trioxacylooctane compound and, a ketal lactone compound.
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 April 27, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 27, 2010.
- 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.