Patent · US Expired

Pressure sensitive ink means, and methods of use

US5989700A · kind A · utility

204Cited by
19References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 5, 1996
Grant dateNov 23, 1999
Priority date
Expiry dateJan 5, 2016

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/25
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

Pressure sensitive inks have selected pressure sensitivity designed for use as a pressure sensitive component of a pressure sensitive device. The ink of the device is formed of an elastic polymer binder with a filler therefor of semiconductive nanoparticles preferably uniformly dispersed in the binder.

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