Method for making a pressure sensitive adhesive coated laminate
CA 1106993 A · Owner: United Merchants And Manufacturers, Inc. · Inventors: Smith, John R.; Walling, Billy E.; Sackoff, Martin M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for making a pressure sensitive adhesive coated laminate is disclosed The method involves coating a sheet having a release surface thereon with a pressure sensitive adhesive to form a laminate, drying or curing the pressure sensitive adhesive and marrying the laminate to the inner surface of a facing layer A material which produces a low zero-minute peel value in the pressure sensitive adhesive layer is intimately mixed with the pressure sensitive adhesive prior to the adhesive being coated on the release surface of the sheets the material is a polysiloxane which possesses some affinity for the pressure-sensitive adhesive and is dispersible in said pressure-sensitive adhesive …
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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 August 11, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 11, 1998.
- 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.