The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 19, 1998
Filed:
Jun. 02, 1995
Applicant:
Inventors:
Chia-Chi Teng, Piscataway, NJ (US);
Hyun Nam Yoon, New Providence, NJ (US);
Mohammad Mortazavi, Sunnyvale, CA (US);
Assignee:
Hoecst Celanese Corp., Somerville, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V / ; C09K / ;
U.S. Cl.
CPC ...
252585 ; 25229901 ; 2522991 ;
Abstract
This invention provides novel liquid crystalline polymers which, when blended with a suitable dye at a suitable high temperature and extruded, yields polarizer films with superior thermal and hygroscopic stability and polarizing efficiency. The invention further provides a process to prepare such polarizer films.