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:
Jan. 14, 1997
Filed:
Jun. 07, 1995
Applicant:
Inventors:
Bruce A Nerad, Oakdale, MN (US);
George F Vesley, Hudson, WI (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; G02F / ;
U.S. Cl.
CPC ...
25229901 ; 349 89 ;
Abstract
An optically responsive film that includes liquid crystal dispersed in a polymer matrix that includes the reaction product of (1) one or more polymerizable matrix reactants other than an acid reactant and (2) at least one copolymerizable acid reactant.