Patent · US Expired

Method for suppression of electrification

US5256454A · kind A · utility

18Cited by
0References
19Claims
0Family size

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Inventors

Key dates

Filing dateMay 30, 1991
Grant dateOct 26, 1993
Priority date
Expiry dateMay 30, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31504
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Electrification is suppressed with a water-soluble electrification-suppressing film having an electron conductivity and comprising a polymer resin. A high electrification-suppressing effect which is also high in vacuum can be easily obtained by using the electrification-suppressing film with less contamination.

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