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. 16, 2005
Filed:
Feb. 09, 2001
Eiichi Yamamoto, Ibaraki, JP;
Kaoru Murata, Ibaraki, JP;
Yasushi Ishihama, Ibaraki, JP;
Naoki Asakawa, Ibaraki, JP;
Eiichi Yamamoto, Ibaraki, JP;
Kaoru Murata, Ibaraki, JP;
Yasushi Ishihama, Ibaraki, JP;
Naoki Asakawa, Ibaraki, JP;
Eisai Co., Ltd., Tokyo, JP;
Abstract
The present invention provides a packing for chromatography. Specifically, it provides a packing for chromatography in which a hydrophilic polymeric material is bound to the surface of a porous carrier, and a carbon chain is chemically bound inside the pore. By the use of the packing according to the present invention for analysis of low molecular weight compounds in a biological sample, a pretreatment such as removal of proteins etc. becomes unnecessary, and the biological sample can be directly analyzed.