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. 13, 1976
Filed:
Dec. 17, 1973
Applicant:
Inventor:
Frederick Davis, Dublin, CA (US);
Assignee:
RPR, Inc., Dublin, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01K / ; C09K / ;
U.S. Cl.
CPC ...
252299 ; 2323 / ; 73356 ; 3501 / ; 428-1 ;
Abstract
Thin stable, substantially uniform, liquid crystal containing films are provided by coating onto an inert, normally darkened substrate, an ink comprising an oil in water latex, a small amount of an organic solvent, usually a polar moderately water soluble organic solvent, liquid crystals and a thickening agent. The film can be used as an ornamental article of manufacture, for photographic reproduction, for temperature determination, as well as other utilitarian applications.