Thermosetting resin composition
CA 1254343 A · Owner: Mitsui Chemicals, Incorporated · Inventors: Iwata, Tadao; Tominaga, Kaoru; Takeda, Nobuyuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention improves the handlability or operability of a polyamino bismaleimide resin composition by using a vinyl compound containing an epoxy group, and thus provides a non-solvent type polyaminobismaleimide resin composition. The combined use of the vinyl compound containing an epoxy group with an epoxy resin in the above resin combination reduces its shrinkage upon curing and gives a cured article having good dimensional stability or appearance characteristics.
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 May 16, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 16, 2006.
- 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.