Epoxide resin mixtures
CA 1110395 A · Owner: Ciba Specialty Chemicals Holding Inc. · Inventors: Zahir, Sheik A.; Wyler, Siegfried
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to storage-stable thermosetting, mixtures which contain polymaleimides epoxide compounds having, at least one allyl group and, optionally, curing agents for, epoxide compounds and/or curing accelerators for epoxide resin mixtures. These mixtures can be converted by curing into highpolymers which have excellent electrical properties (especially at high temperatures) and very good thermal properties.
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 October 6, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 6, 1998.
- 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.