Patent · US Expired

Sulfonated polyaniline compositions, ammonium salts thereof, process for their preparation and uses thereof

US5208301A · kind A · utility

18Cited by
15References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 25, 1990
Grant dateMay 4, 1993
Priority date
Expiry dateMay 25, 2010

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/10
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

Sulfonic acid-substituted polyaniline compositions, ammonium salts thereof, and uses therefor are disclosed. The ammonium salts of the sulfonic acid-substituted polyaniline compositions are used as interim materials in the processing of conducting sulfonated polyaniline compositions. The ammonium salts of the sulfonic acid-substituted polyaniline compositions are also used to either reversible or irreversible NH.sub.3 filters, sensors, temperature indicators and the like.

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