Self-cleaning coating
CA 1110222 A · Owner: Matsushita Electric Industrial Co. Ltd. · Inventors: Nishino, Atsushi; Kimura, Kunio; Watanabe, Yoshihiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A coating formed on a surface of an article which, is heated during use as typified by a cooking device to accomplish catalytic oxidation decomposition of oil and grease spattered thereon. The coating is fundamentally a porous matrix layer of an inorganic binder having a matte surface and comprises, in the form of uniformly dispersed particles, an oxidation catalyst and a nondiscoloring material, for example a ferrite which has, the effect of concealing a change in color of the oxidation catalyst resulting from its catalytic action. Preferably the coating comprises additonally a solid acid catalyst such as a zeolite as a decompositioninducing catalyst in order to acquire an improved …
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 October 6, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 6, 1998.
- 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.