Patent · US Expired

Polymerizable liquid-crystalline siloxanes

US5605649A · kind A · utility

8Cited by
7References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 22, 1994
Grant dateFeb 25, 1997
Priority date
Expiry dateDec 22, 2014

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K2323/03
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Polymerizable liquid-crystalline siloxanes of a defined composition which are distinguished by low viscosity and pronounced thermochromic properties. The liquid-crystalline siloxanes of the present invention are used for the production of membranes in the optical display of electromagnetic field, opto-electronics, information storage and in particular in the production of optical filters and reflectors.

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