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:
Aug. 01, 1995
Filed:
Apr. 16, 1993
Applicant:
Inventors:
Eugene P Janulis, Mahtomedi, MN (US);
Gilbert C Johnson, Anoka, MN (US);
Patricia M Savu, Maplewood, MN (US);
Terence D Spawn, Maplewood, MN (US);
Marc D Radcliffe, Woodbury, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; C09K / ; C07D / ; C07C / ; G07F / ;
U.S. Cl.
CPC ...
25229901 ; 25229961 ; 25229966 ; 544298 ; 568647 ; 568649 ; 359104 ;
Abstract
Fluorine-containing liquid crystal compounds are provided. The compounds comprise a fluorocarbon terminal portion having at least one catenary ether oxygen and a hydrocarbon terminal portion, the terminal portion being connected by a central core, the compounds having smectic mesophases or having latent smectic mesophases.