Exterior paint formulation
CA 2729422 C · Owner: Behr Process Corporation · Inventors: Shah, Deven; Pham, Anh; Tarng, Ming-Ren
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides increased stain resistance tannin blocking, adhesion, and various other properties. A composition in accordance with the principles of the present invention comprises at least two binders nanoparticle pigment, and pigmentary titanium dioxide. In one embodiment the present invention relates to a coating on a substrate wherein the coating has two binders nanoparticle metal oxide pigment, and pigmentary titanium dioxide. Various additives may be included to formulate paint as known in the art.
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 June 28, 2005 and granted May 26, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 28, 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.