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:
May. 02, 2000
Filed:
Jun. 11, 1998
Applicant:
Inventors:
Assignee:
Consortium fur elekrochemische Industrie GmbH, Munchen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; G02F / ; G02B / ; G02B / ; F21V / ;
U.S. Cl.
CPC ...
428-11 ; 2522997 ; 252582 ; 252585 ; 252589 ; 349115 ; 349176 ; 349194 ; 359500 ;
Abstract
Process for broadening cholesteric reflection bands of photopolymerizable cholesteric liquid crystals, and optical elements produced by this process. The invention relates to a process for broadening the cholesteric reflection bands of photopolymerizable cholesteric liquid crystals, which comprises the following process steps: