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.

Date of Patent:
Nov. 04, 1997

Filed:

May. 05, 1995
Applicant:
Inventors:

Oliver Kratzschmar, Munchen, DE;

Thilo Gebhard, Munchen, DE;

Silvia Ehmann, Puchheim, DE;

Franz-Heinrich Kreuzer, Martinsried, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09K / ; F21V / ;
U.S. Cl.
CPC ...
25229901 ; 252585 ;
Abstract

Wavelength-selective and polarization-selective optical elements contain pigments embedded in a transparent binder, in which the pigments include at least one three-dimensionally crosslinked substance having a liquid-crystalline structure with a chiral phase.


Find Patent Forward Citations

Quick Actions:

Kratzschmar, Oliver. (1997). Optical elements having color-selective and polarization-selective (U.S. Patent No. 5683622). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5683622

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…