Patent · US Expired

Process for producing surfactant having a low metal ion level and developer produced therefrom

US5750031A · kind A · utility

6Cited by
32References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 26, 1995
Grant dateMay 12, 1998
Priority date
Expiry dateSep 26, 2015

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F7/32
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The present invention provides a process for producing a developer containing a surfactant which contains a very low level of metal ions.

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