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:
Apr. 08, 2008
Filed:
Aug. 18, 2005
Applicants:
Hideyo Sugimura, North Oaks, MN (US);
Xuzhi Qin, Hacienda Heights, CA (US);
Michael S. Boulineau, Forest Lake, MN (US);
Inventors:
Hideyo Sugimura, North Oaks, MN (US);
Xuzhi Qin, Hacienda Heights, CA (US);
Michael S. Boulineau, Forest Lake, MN (US);
Assignee:
Insight Equity A.P.X., L.P., Ramsey, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02C 7/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention is directed to the incorporation of melanin in an optical article with polarization properties. Such an article includes a first polymer layer containing a polarizing agent, a second polymer layer containing melanin and wherein the second polymer layer is disposed upon the first polymer layer.