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:
Jan. 17, 2012
Filed:
Dec. 03, 2004
Applicants:
Huarui He, Alpharetta, GA (US);
Mark A. Mortellaro, Frederick, MD (US);
Susanne T. Young, Norcross, GA (US);
Inventors:
Huarui He, Alpharetta, GA (US);
Mark A. Mortellaro, Frederick, MD (US);
Susanne T. Young, Norcross, GA (US);
Assignee:
Roche Diagnostics Operations, Inc., Indianapolis, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 221/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a chemical compound that has applications as a luminescent indicator dye, and to an optical sensor, typically employed for determination of near-neutral pH values of aqueous samples. The optical sensor has particular application in the pH determination of body liquids such as, for example, blood, plasma and serum.