Patent · US Expired

Liquid crystalline colorant polymer

US5310837A · kind A · utility

6Cited by
1References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 23, 1992
Grant dateMay 10, 1994
Priority date
Expiry dateOct 23, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K19/3852
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The invention relates to liquid crystalline polymers which form exclusively nematic liquid crystalline phases. The liquid crystalline polymers are comprised of units of at least trinuclear liquid crystalline azo dye monomers M with lateral asymmetry.

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