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:
May. 05, 1998
Filed:
Feb. 02, 1996
Applicant:
Inventors:
John M Lindberg, Grayslake, IL (US);
Robert Eric Heinz, Lake Bluff, IL (US);
Assignee:
Abbott Laboratories, Abbott Park, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01J / ; G01J / ;
U.S. Cl.
CPC ...
356310 ; 356326 ; 356328 ;
Abstract
The present invention provides a programmable filter for use as a standard in correlation spectrometers. Also provided is the use of the programmable standard in a process for determining the concentration of an optically absorbing compound. Also provided is a method and apparatus for noninvasively determining the concentration of an optically absorbing biological sample which incorporates the programmable standard of the invention.