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:
Sep. 21, 1993
Filed:
Dec. 23, 1991
Applicant:
Inventors:
Gunilla E Gillberg-LaForce, Summit, NJ (US);
Hartmann Leube, Summit, NJ (US);
Leroy McKenzie, Newark, NJ (US);
Elizabeth A Reeder, Summit, NJ (US);
Josefina Pruksarnukul, Montclair, NJ (US);
Bettina E Bonsall, Bridgewater, NJ (US);
Assignee:
Hoechst Celanese Corp., Somerville, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
428-1 ; 428 64 ; 4284111 ; 428913 ;
Abstract
Optical media formed from a water soluble polymer and liquid crystal forming amphiphile are disclosed and claimed. The polymer and amphiphile are cast into a film which exhibits an optical axis of symmetry perpendicular to the film surface.