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. 23, 2010
Filed:
May. 15, 2006
Donald L. Shelly, Jr., Lewistown, PA (US);
Phillip Spraker, Max Meadows, VA (US);
William L. Ozanich, Jr., Reedsville, PA (US);
Michael J. Telepchak, Yardley, PA (US);
Donald L. Shelly, Jr., Lewistown, PA (US);
Phillip Spraker, Max Meadows, VA (US);
William L. Ozanich, Jr., Reedsville, PA (US);
Michael J. Telepchak, Yardley, PA (US);
United Chemical Technologies, Inc., Bristol, PA (US);
Abstract
An method for sample preparation using solid phase extraction. Using an apparatus comprising a SPE cartridge and a sorbent-containing gas filter which contains a sorbent and is detachably connected to the SPE cartridge the gas used to dry the SPE cartridge is purified by passage through the gas filter, thereby preventing contamination of the SPE sorbent by airborne contaminants.