Patent · US Expired

Laminated light-polarizing sheet

US4230768A · kind A · utility

32Cited by
5References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 29, 1979
Grant dateOct 28, 1980
Priority date
Expiry dateMar 29, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31928
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A laminated light-polarizing sheet having an excellent humidity resistance with dimensional stability under a high humidity as well as an excellent light resistance comprising a light-polarizing film of a halogenated vinyl or vinylidene polymer containing polyene chains formed by partial dehydrohalogenation and a film or sheet of an acrylate or methacrylate polymer laminated on at least one surface of the light-polarizing film.

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