Heat activatable adhesive or sealant compositions
CA 1194635 A · Owner: Grace (W.R.) & Co. · Inventors: Morgan, Charles R.; Siadat, Bahram
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
of the Invention, A heat activatable adhesive or sealant organic resin composition comprising, (1) a member of the group consisting of (a) a liquid, ethylenically unsaturated monomer oligomer or prepolymer of the formula: wherein R is H or CH3, R1 is an organic moiety and n is at least 2, (b) an epoxy resin containing at least groups and, (c) a mixture of (a) and (b); (2) a thermal initiator, and, (3) a thermoplastic adhesive material selected from the group consisting of polyesters, polyvinyl acetals, polyamides, butadiene-acrylonitrile copolymers, styrene-butadiene copolymers styrene-, isoprene copolymers, styrene-ethylene-butylene copolymers, ethylene-vinyl acetate copolymers …
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 1, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 1, 2002.
- 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.