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:
Sep. 10, 1991
Filed:
Jun. 12, 1989
Applicant:
Inventors:
Ralf Hemel, Lampertheim, DE;
Friedrich Linhart, Heidelberg, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ;
U.S. Cl.
CPC ...
356440 ;
Abstract
A flow cell through which the sample stream is passed surrounded by an enveloping stream is equipped with a laser-optical measuring means. For use in pressurized systems the inlet of the cell for the enveloping stream medium is connected on the upstream side to a constant pressure and flow means and the outlet from the cell is connected on the downstream side to a regulating means for the sample and enveloping stream flow rate.