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. 04, 2001
Filed:
Apr. 27, 2000
Applicant:
Inventor:
Thomas Schäfer, Heppenheim, DE;
Assignee:
Axiva GmbH, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 1/14 ;
U.S. Cl.
CPC ...
G01N 1/14 ;
Abstract
The invention relates to a process for the on-line analysis of a reactive gas mixture, in particular of a gas mixture comprising ketene and/or diketene and/or acetic anhydride and/or acetic acid, which gas mixture is situated in a vessel, which comprises expanding a portion of the gas mixture instantaneously into a sampling line via a probe which is integrated into the vessel and which has an orifice whose clear cross sectional area is less than or equal to 1 mm,and feeding it to a mass-spectrometric analysis.