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:
May. 20, 1980
Filed:
Mar. 06, 1979
Applicant:
Inventors:
Wolfgang Schutt, Rostock, DD;
Hans-Ludwig Jensen, Rostock, DD;
Werner Eberlein, Jena, DD;
Gunter Schoppe, Jena, DD;
Assignee:
JENOPTIK JENA G.m.b.H., Jena, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ;
U.S. Cl.
CPC ...
2041 / ; 2041 / ; 2042 / ; 137 86 ; 137154 ; 1372055 ; 73 6 / ;
Abstract
The invention is in concern of a method and a device for moving a liquid sample material in a measuring chamber, particularly for use in electrophoretic measurements. To permit precise measurements the remaining sample material is prevented from mixing with the sample material under test. The valves employed have to be closed in the course of the sample movement. This is realized in displacing the sample material by means of two pistons rigidly connected to each other and arranged in a by-pass of the measuring chamber.