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.
Type:
Grant
Filed:
April 16, 1993
Date of Patent:
August 1, 1995
Assignee:
Minnesota Mining and Manufacturing Company
Inventors:
Eugene P. Janulis, Gilbert C. Johnson, Patricia M. Savu, Terence D. Spawn, Marc D. Radcliffe
Abstract: A graphic package comprises a plurality of graphics including at least a first graphic and a second graphic. The package further includes a dual function separating layer which is intermediate the first and second graphics. The separating layer comprises a substrate having an upper surface and a lower surface. A release coating is provided on the upper surface of the substrate for releasably retaining the first graphic on the substrate and an adhesive is provided on the lower surface of the substrate for temporarily bonding the second graphic to the substrate. The graphic package may be a pad or a roll.
Type:
Grant
Filed:
March 18, 1992
Date of Patent:
December 14, 1993
Assignee:
Minnesota Mining and Manufacturing Company