Metal acetylacetonate/alkylphenol curing catalyst for polycyanate esters of polyhydric phenols
CA 1316627 C · Owner: Vantico Ag · Inventors: Shimp, David A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
of Disclosure, Polycyanate esters of polyhydric phenols are cured with a liquid solution of a metal acetylacetonate in an alkylphenol. Such cured compositions are useful in structural composites transfer, molded-encapsulants, filmed structural adhesives and printed wiring boards. 1/p227
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 20, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 20, 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.