Epoxy resin based powder coating composition
CA 1325299 C · Owner: Fujimoto, Yoshihisa · Inventors: Motoki, Yoshihiro; Ueji, Kazufumi; Fujimoto, Yoshihisa
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An epoxy resin based powder coating composition which comprises: (A) 100 parts by weight of a mixed epoxy resin having a softening point of 60°-75°C which consists of 50 to 70 wt% of a bisphenol A type epoxy resin having a number-average molecular weight of 900 to 1,200 and 30 to 50 wt% of a cresol novolak epoxy resin; (B) 5 to 80 parts by weight of a phenolic novolak resin; (C) 0.5 to 5 parts by weight of triphenylphosphine; (D) 60 to 200 parts by weight of an inorganic powder; and (E) 0.01 to 2 parts by weight of a microfine silica powder. The epoxy resin based powder coating composition can be coated on electrical and electronic components at 90°-100°C with retaining the high moisture …
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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 December 14, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 14, 2010.
- 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.