Plural-stage liquid development of electrostatic charge patterns

Details Plural-stage liquid development of electrostatic charge patterns Plural-stage liquid development of electrostatic charge patterns

1986-07-16

1987-10-20

Martin, Roland E.

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

To produce color reproduction

430 54, 430117, 430119, G03G 1310, G03G 1322

Patent

active

047013877

ABSTRACT:
In plural-stage liquid development of electrostatic charge patterns, as in multicolor electro-photography, image defects occur in areas of the image which are undeveloped or background areas of a previous development stage. The method of the invention avoids such defects by rinsing the image with a polar liquid between development stages to remove counterions which are believed to cause the defects.

REFERENCES:
patent: 3577259 (1971-05-01), Sato et al.
patent: 3692523 (1972-09-01), Tamai et al.
patent: 3738832 (1973-06-01), Matsumoto et al.
patent: 3806340 (1974-04-01), Sato et al.
patent: 3971659 (1976-07-01), Sato et al.
Research Disclosure No. 12060, Research Disclosure, Apr. 1974, Kenneth Mason Publications Ltd., Hampshire, England.

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