Patent · US Expired

Light-absorbing polymers

US5254625A · kind A · utility

14Cited by
1References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 26, 1992
Grant dateOct 19, 1993
Priority date
Expiry dateMay 26, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B69/105
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Provided are polymers containing methine linkages. Also provided are shaped or formed articles comprised of the light absorbing polymers either alone or admixed with other thermoplastic polymers to form a light absorbing thermoplastic polymer composition.

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