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:
Jun. 13, 2006
Filed:
Aug. 30, 2004
Applicant:
Sanford Asher, Pittsburgh, PA (US);
Inventor:
Sanford Asher, Pittsburgh, PA (US);
Assignee:
University of Pittsburagh - of the Commonwealth System of Higher Education, Pittsburgh, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
G02C 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A colored contact lens whose color is produced by Bragg diffraction incorporates a crystalline colloidal ordered array of particles to impart vivid sparkling color to the whole lens or a portion of the lens. In some embodiments, for example, only portions of the lens that would be located on the iris of the eye may be colored.