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:
Aug. 15, 2017
Filed:
Feb. 14, 2013
Applicant:
William E. Brewer, Columbia, SC (US);
Inventor:
William E. Brewer, Columbia, SC (US);
Assignee:
Other;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 1/40 (2006.01); B01L 3/02 (2006.01);
U.S. Cl.
CPC ...
G01N 1/405 (2013.01); B01L 3/0275 (2013.01); B01L 2200/0631 (2013.01); B01L 2300/0681 (2013.01); B01L 2400/086 (2013.01); Y10T 436/255 (2015.01);
Abstract
A pipette tip device for use in dispersive SPE. The device includes a pipette tip having a lower barrier, loose sorbent that is freely moveable during the extraction process, and a baffle system that is shaped to disrupt the flow of liquid sample that is aspirated into the pipette tip. The baffle system includes an insert that may be separate from or monolithic with the interior of the pipette tip.