Method of color electrophotography
CA 1264595 C · Owner: Ichimura, Kenichi · Inventors: Ichimura, Kenichi; Ichida, Hiroshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention aims at materialization of reproduction of an image of high quality by the color electrophotography process of the EF system according to a specific procedure of effecting back surface grounding of a photosensitive material sheet comprising a photosensitive layer consisting of titanium dioxide and a specific base sheet comprising a conductive support constituted by a conductive layer laminated on a highly smooth surface and highly specific resistivity base sheet on the basis of a conductive conveyor.
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 January 23, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 23, 2007.
- 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.