Patent · US Expired

Near infrared absorbing composition and material and product containing same

US5354514A · kind A · utility

12Cited by
1References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 22, 1992
Grant dateOct 11, 1994
Priority date
Expiry dateMay 22, 2012

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B7/244
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Near infrared absorbing composition and material comprising a specific thioamide compound and a copper compound and/or a lead compound. The composition and material of this invention provide an uniform absorption over a near IR-region without decreasing other properties.

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