Surface-conditioning composition, method for production thereof, and surface conditioning method
CA 2619723 C · Owner: Nippon Paint Co. Ltd. · Inventors: Kikuchi, Kotaro; Inbe, Toshio; Matsukawa, Masahiko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a surface-conditioning composition which has an improved surface-conditioning function and therefore, can , improve a chemical conversion property (for example can form , a dense metal phosphate coating film on the surface of a metal material), can form a chemical conversion coating film having a satisfactory coating weight even when applied to a contact area between different metal materials in the simultaneous chemical conversion treatment of the different metal materials or a hardly convertible metal material (e.g. a high tensile strength steel plate), and can improve the productivity rate of the chemical conversion treatment (for example can improve , a chemical …
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 17, 2006 and granted May 27, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 17, 2026.
- 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.