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. 04, 1982
Filed:
Sep. 29, 1980
Applicant:
Inventor:
Kenneth J Harrison, Malvern Link, GB;
Assignee:
Minnesota Mining and Manufacturing Company, Saint Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; G02F / ;
U.S. Cl.
CPC ...
25229963 ; 25229964 ; 25229966 ; 3503 / ;
Abstract
In accordance with the invention, a liquid crystal composition for multiplexed twisted nematic displays which exists in a nematic mesophase from at least about -20.degree. C. to 50.degree. C., comprises: