Electrophotosensitive migration imaging apparatus and method
CA 1089918 A · Owner: Eastman Kodak Company · Inventors: Kaukeinen, Joseph Y.; Michener, John R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, Improved migration imaging techniques and apparatus utilizing a mixture of multicolor electrophotosensitive particles are achieved by exposure of the mixture between, electrodes which create a migration-inducing field se-, quentially to the color separation components of the original image to be reproduced. Certain disclosed embodiments utilize exposure at spatially separated color sub-zones within an overall imaging zone to effect migration in controlled sequence, by particle type. -1-
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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 November 18, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 18, 1997.
- 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.