Washing solution and color change washing method
CA 1330926 C · Owner: Oota, Shiro · Inventors: Oota, Shiro; Watanabe, Ikuo; Kusunoki, Gen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A washing solution for a color-change washing which contains a medium-boiling and/or high-boiling true solvent having a boiling point of 100°C or more and a, color-change washing method using that washing solution. In rotary type electrostatic spray coating devices in which a non-aqueous dispersion paint and a titanium dioxide pigment-incorporated paint are used in combination, the washing solution and method are advantageously used as they remove contamination and clogging of the coating device and reduce fire hazards.
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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 July 26, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 26, 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.