Patent · US Expired

Process for producing liquid crystalline composites

US4944895A · kind A · utility

4Cited by
10References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 24, 1988
Grant dateJul 31, 1990
Priority date
Expiry dateAug 24, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K2323/053
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

This invention provides an optical medium which consists of a composite of a homogeneous inorganic oxide glass monolith with a microporous structure containing a liquid crystalline component. In one embodiment this invention provides a sol-gel process for producing a composite of a transparent homogeneous microporous inorganic oxide glass monolith and a liquid crystalline compound.

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