Method of developing electronic photograph with liquid developer and cleaning excess thereof
US4879197A · kind A · utility
5Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 1988 |
| Grant date | Nov 7, 1989 |
| Priority date | — |
| Expiry date | Sep 27, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/135
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Disclosed is a process of developing images formed on a photosensitive material for electrophotography which does not cause the fogging originated from a pair of squeeze rolls made of materials different from each other and which includes the steps of developing the images with a liquid developer of the positive type containing a compound having a polyoxyethylene group or at least one compound selected from the group consisting of phosphate, sulfate and sulfonate salts having a group soluble in the carrier liquid and free from polyoxyethylene group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.