Patent · US Expired

Films containing liquid crystalline polymers

US4963402A · kind A · utility

10Cited by
7References
37Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 21, 1987
Grant dateOct 16, 1990
Priority date
Expiry dateAug 21, 2007

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31786
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A film comprising a combination of a thermotropic liquid crystalline polymer and a host polymer. The surface of the film comprises a plurality of discrete protrusions or peaks whose height can be tailored to provide a desired surface roughness.

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