Patent · US Expired

Development system coatings

US5300339A · kind A · utility

57Cited by
13References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 29, 1993
Grant dateApr 5, 1994
Priority date
Expiry dateMar 29, 2013

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31678
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A coated toner transport roll containing a core with a coating thereover of transporting molecules dispersed in a binder and an oxidizing agent selected from the group consisting of ferric chloride and trifluoroacetic acid. These oxidizing agents can be selected in an amount of from about 1 to about 50 weight percent. Also, the coating possesses a relaxation time of from about 0.0099 millisecond to about 3.5 milliseconds, and a residual voltage of from about 1 to about 10 volts.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.