Epoxy resin curing agent, process and composition
CA 1236634 A · Owner: Minnesota Mining And Manufacturing Company · Inventors: Robins, Janis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Epoxy Resin Curing Agent, Process and Composition Abstract of the Disclosure, An epoxy resin latently curable composition including a novel curing agent comprising the liquid salt of a substituted pen-tafluoroantimonic acid and an aromatic amine selected from the group consisting of aniline and a hindered amine has a desirably long pot life yet cures rapidly with heating to a cured composition.
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 10, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 10, 2005.
- 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.