Coating composition and its use as a primer for plastics surfaces
CA 1333643 C · Owner: Herberts Gesellschaft Mit Beschrankter Haftung · Inventors: Hellmann, Udo; Sadowski, Fritz; Stephan, Werner
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
1. A coating composition suitable as a primer for plastics. 2.1. Plastics surfaces required a complicated pretreatment to be able to be painted with typical fillers and paints. The new coating composition is intended to provide a primer which eliminates the need for pretreatment. 2.2. The coating composition contains 1 to 5% by weight ethylene/vinyl acetate copolymers, 0.5 to 5% by weight chlorinated polyolefins, 0.01 to 5% by weight epoxy resin and 85 to 89.49% by weight organic solvent in addition to typical paint auxiliaries, pigments and/or fillers. 2.3. Coating of plastics surfaces.
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 December 20, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 20, 2011.
- 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.