Chlorosulfonated polyethylene adhesive composition
CA 1085534 A · Owner: E.I. Du Pont De Nemours And Company · Inventors: Craven, James M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved adhesive composition of a chlorosulfonated polyethylene, at least one acrylic monomer such, as methyl methacrylate, butyl methacrylate and the like an, amine aldehyde condensation product and optionally a peroxy catalyst in which the improvement comprises the use of a silane of the formula, where -R1, -R2, -R3 and -R4 are -H or an alkyl group having 1-5 carbon atoms, -X is -O-R, -R or -OH where -R is an alkyl group having 1-4 carbon atoms, and Y and Z are -H or a monovalent hydrocarbon-containing radical having 1-20 carbon atoms. The improved adhesive is useful for bonding a wide variety of materials and sets rapidly to form durable bonds that withstand exposure to weathering …
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 September 9, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 9, 1997.
- 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.