Patent · US Expired

Gels with thermotropic properties

US6140387A · kind A · utility

4Cited by
1References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 8, 1998
Grant dateOct 31, 2000
Priority date
Expiry dateJul 8, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/0147
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Gels for thermotropic layers, obtainable by irradiating a mixture comprising PA1 a) an uncrosslinked polymer in amounts of less than 5% by weight, based on the sum of a), b) and c), PA1 b) monomers which can be polymerized by means of free radicals, and PA1 c) water or an organic solvent, or a mixture thereof, with high-energy light.

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