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:
Dec. 22, 1998
Filed:
May. 01, 1995
Applicant:
Inventors:
Christoph Muller-Rees, Pullach, DE;
Silvia Jung, Munchen, DE;
Johann Doppelberger, Emmerting, DE;
Walter Goeblmeier, Rogglfing, DE;
Assignee:
Consortium fur elektrochemische Industrie GmbH, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; C09B / ;
U.S. Cl.
CPC ...
428-1 ; 25529901 ; 428327 ; 428333 ; 428402 ; 428447 ; 428910 ; 428913 ; 428916 ;
Abstract
The invention relates to interference pigments comprising molecules fixed in a cholesteric configuration, and to the use thereof. The pigments of the invention have a plateletlike structure and a thick ness of from 1 .mu.m to 20 .mu.m. They contain oriented, crosslinked substances with a liquid-crystalline structure having a chiral phase.