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. 05, 2003
Filed:
Aug. 21, 2001
Applicant:
Inventors:
Assignee:
Showa Denko Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 3/600 ;
U.S. Cl.
CPC ...
C08F 3/600 ;
Abstract
A packing material for solid phase extraction, which is a particle having an exclusion limit molecular weight of 1×10 to 1.5×10 in gel permeation chromatography using a standard polystyrene as the sample. A column for solid phase extraction and a cartridge for solid phase extraction, a method of using the packing material; and a process for treating a sample using the column or cartridge are also disclosed.