Fast curing epoxy resin compositions
CA 1249691 A · Owner: Minnesota Mining And Manufacturing Company · Inventors: Wright, Charles D.; Robins, Janis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An epoxy resin composition comprising a curable glycidyl ether epoxide group-containing material an, amino-terminated aliphatic polyether curing agent a, polymeric toughening agent, and a catalyst capable of providing an exotherm of at least 20°C. The composition cures rapidly and is useful for providing adhesives which have high peel strength and high lap shear strength at room temperature and after aging at 120°C to 150°C or higher.
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 January 31, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 31, 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.