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:
Nov. 09, 1993
Filed:
Aug. 30, 1991
Applicant:
Inventor:
Fu-Tai A Chen, Brea, CA (US);
Assignee:
Beckman Instruments, Inc., Fullerton, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ;
U.S. Cl.
CPC ...
2041801 ; 2042 / ;
Abstract
Disclosed herein is a dynamic coating buffer useful in the analysis of samples by open-tube capillary electrtophoretic methods using untreated fused silica capillary columns. The dynamic coating buffer comprises at least one agent having at least two dissociation constants, and high ionic strength characteristics, said agent having a molarity range of from about 0.2M and about 1.0M and a pH range of from between about 3.0 and 11.0. A particularly preferred dynamic coating buffer comprises 0.5M sodium phosphate.