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:
Mar. 05, 2013
Filed:
Feb. 11, 2009
Applicants:
Peter William DE Oliveira, Saarbruecken, DE;
Michael Veith, St.-Ingbert, DE;
Peter Rogin, Saarbruecken, DE;
Hechun Lin, Saarbruecken, DE;
Marcus Geerkens, Quierschied, DE;
Inventors:
Peter William de Oliveira, Saarbruecken, DE;
Michael Veith, St.-Ingbert, DE;
Peter Rogin, Saarbruecken, DE;
Hechun Lin, Saarbruecken, DE;
Marcus Geerkens, Quierschied, DE;
Assignee:
Leibniz-Institut fuer Neue Materialien Gemeinnuetzige GmbH, Saarbruecken, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/46 (2006.01);
U.S. Cl.
CPC ...
Abstract
Optical elements, in particular for holographic applications, have a gradient structure formed by a refractive index gradient and include one or more organic polymers and at least one ionic liquid.