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:
Jun. 10, 1980
Filed:
Aug. 31, 1978
Applicant:
Inventors:
Takao Tsuda, Aichi, JP;
Kiyokatsu Hibi, Ohgaki, JP;
Toyohide Takeuchi, Tokoname, JP;
Tomohiko Nakanishi, Kariya, JP;
Daido Ishii, Nagoya, JP;
Koichi Mochizuki, Tsushima, JP;
Assignee:
Japan Spectroscopic Co. Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
2101 / ; 55386 ;
Abstract
An open tubular capillary column, for high-speed micro liquid chromatography made of a glass tube of the inner diameter not more than 0.10 mm, having the net inside capacity not less than 0.5 .mu.l, the inner surface of which hollow glass tube being chemically bonded, in order to provide a stationary phase there, with at least one silane or its derivative such as octadecylsilane to form a polymeric layer. This invention includes the manufacturing method of such a column.