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:
Jul. 17, 1979
Filed:
Mar. 23, 1978
Applicant:
Inventors:
Fred K Suzuki, Arlington Heights, IL (US);
Thomas W Davison, Streamwood, IL (US);
Assignee:
Liquid Crystal Products, Inc., Arlington Heights, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B44F / ;
U.S. Cl.
CPC ...
428-1 ; 252299 ; 350350 ; 428 40 ; 428437 ; 428500 ; 428522 ; 428913 ;
Abstract
An alkyd-type polymeric plasticizing resin or castor oil is incorporated in a mixture of a polyvinyl butyral film-forming polymer and a cholesteric liquid crystalline phase material, to provide a composition which when in the form of a film exhibits accentuated intensity and contrast of visible light waves reflected by the material.