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:
Mar. 09, 1993
Filed:
Jan. 09, 1991
Applicant:
Inventor:
Cole L Woolley, Centre Hall, PA (US);
Assignee:
Supelco, Bellefonte, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ; B01D / ;
U.S. Cl.
CPC ...
2041801 ; 2642 / ;
Abstract
The walls of fused-silica capillary columns used for capillary zone electrophoresis and micellar electrokinetic capillary chromatography may be deactivated with polysiloxanes, polysilazanes and other silicone polymers to permit more effective separations without eliminating electro-osmotic flow within the columns.