Clearcoat composition compatible with both waterborne and solventborne basecoats
CA 2576815 C · Owner: Lin, Jun · Inventors: Lin, Jun
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A curable film-forming coating composition typically a clearcoat, having , improved compatibility over waterborne and solventborne basecoats. The composition includes a film-forming binder comprising a carbamate material a , curing agent, typically a monomeric melamine curing agent and a hydroxy , functional silane component. When used as a clearcoat over a standard pigmented basecoat, the resulting coating provides a substantially wrinkle free appearance and excellent adhesion to both waterborne and solventborne basecoats.
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
- Filed August 30, 2005 and granted October 30, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 30, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.