Patent · US Expired

Thermostable polarizers

US5705267A · kind A · utility

6Cited by

3References

16Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Karl-Heinz Aleksander Ostoja Starzewski · Bad Vilbel, DE
Siegfried Thurm · Meerbusch, DE

Key dates

Filing date	Jan 23, 1996
Grant date	Jan 6, 1998
Priority date	—
Expiry date	Jan 23, 2016

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31667
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

Thermostable, flexible polarizers having a polarizing layer of a polymer with conjugated double bondings are obtained when their surfaces are sealed by a protective layer of SiO.sub.x where x is from 1 to 2.

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