Two-part, two-tier cure adhesive composition
CA 1234249 A · Owner: Loctite Corporation · Inventors: Martin, Francis R.; Drain, Kieran F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A two-part composition comprising as a first part a polymerizable vinyl-type material and a free-radical polymerization system comprising at least one aromatic acyl peroxide and a compound selected from the group consisting of peroxides hydroperoxides, peresters, persalts and peracids exclusive of aromatic acyl peroxides; and as a second part a polymerizable vinyl-type material and an accelerator system comprising an amine and optionally either a sulfimide, an hydrazine derivative, or both. The resin systems of each part are substantially similar in rheology and viscosity to optimize the effectiveness of the adhesive composition. The composition combines anaerobic-type cure systems to …
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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 March 15, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 15, 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.