Liquid development of charge pattern with areas of varying contrast potentials using developers with different colours and viscosity
CA 1113767 A · Owner: Xerox Corporation · Inventors: Karnik, Avinash 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 A process for the liquid development of charge patterns in more than one colour is disclosed. A charge pattern having areas of higherandlower charge is formed on an imaging surface. The areas of higher charge on the surface are developed by a first liquid developer. The areas of lower charge are developed by a second liquid developer. The latter has a different colour and a viscosity not more than about 20% of that of the first liquid developer.
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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 8, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 8, 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
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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.