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:
Jul. 01, 2014
Filed:
Jan. 31, 2003
Applicants:
Michael J. Sailor, San Diego, CA (US);
Thomas Schmedake, Charlotte, NC (US);
Frederique Cunin, Cardiff, CA (US);
Jamie Link, La Jolla, CA (US);
Inventors:
Michael J. Sailor, San Diego, CA (US);
Thomas Schmedake, Charlotte, NC (US);
Frederique Cunin, Cardiff, CA (US);
Jamie Link, La Jolla, CA (US);
Assignee:
The Regents of the University of California, Oakland, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 33/50 (2006.01); G01N 33/552 (2006.01); G01N 21/55 (2014.01); G01N 37/00 (2006.01); C12Q 1/68 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention concerns a particle having a code embedded in its physical structure by refractive index changes between different regions of the particle. In preferred embodiments, a thin film possesses porosity that varies in a manner to produce a code detectable in the reflectivity spectrum.