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:
Feb. 04, 1997
Filed:
Nov. 02, 1994
Applicant:
Inventors:
Daniel A Buttry, Laramie, WY (US);
Thomas C Vogelmann, Laramie, WY (US);
Guoying Chen, Laramie, WY (US);
Richard Goodwin, Bethesda, MD (US);
Assignee:
The University of Wyoming, Laramie, WY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ; G02B / ; G01J / ;
U.S. Cl.
CPC ...
356128 ; 356133 ; 25022714 ; 385 12 ;
Abstract
The present invention relates to a refractive index detector for a dynamic liquid sample having a fiber optic filament of a predetermined diameter with an unclad sensor region, wherein the sensor region comprises a longitudinally tapered zone wherein the diameter continuously decreases from the predetermined diameter to a minimum diameter. The invention finds use as a detector for high performance liquid chromatography and capillary zone electrophoresis.