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. 19, 1984
Filed:
Sep. 24, 1981
Applicant:
Inventors:
Claude Guillemin, Paris, FR;
Jean Lissot, Brie Comte Robert, FR;
Jean-Pierre Vasseur, Longjumeau, FR;
Assignee:
Prolabo, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
73 231 ; 73 6 / ; 7386481 ;
Abstract
For a fluid chromatography apparatus including a precolumn and an analytical column, a device is provided with means for operably connecting said precolumn and column, said connecting means comprising a body member provided with support surfaces for a column inlet and a precolumn outlet, and said body member including a plurality of passages adapted to independently functionally interconnect said precolumn outlet and said column inlet with each other, and individually independently with fluid inlet and/or outlet means, either internally or externally.