Method for manufacture of styrenic resin plate excellent in paintability
CA 1080050 A · Owner: Koyo Sangyo Co. · Inventors: Masai, Shohachi; Tanaka, Tsugane; Kikuchi, Katsuro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure:, A styrenic resin plate excellent in paintability is manufactured by applying an emulsion coating comprising a hydrophobic synthetic resin a hydrophilic, polymer, a finely pulverized inorganic filler and water or an emulsion coating obtained by adding to a mixture of said components a solution of an isocyanate compound possessed of at least two functionalities in a hydrophobic solvent to one side or both sides of a styrenic resin plate, preferably a foamed plate of styrenic resin uniformly by means of a roll coater, a spray coater or the like and drying the applied coat of emulsion coating to form a surface layer on said resin plate. The present styrenic resin …
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 June 24, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 24, 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.