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:
Jan. 20, 2004
Filed:
Aug. 20, 2001
Applicant:
Inventors:
Joachim Thiel, Neustadt, DE;
Jürgen Schröder, Ludwigshafen, DE;
Gerhard Nestler, Ludwigshafen, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
B01D 4/714 ;
U.S. Cl.
CPC ...
B01D 4/714 ;
Abstract
In a process for the fractional condensation of an acrylic acid-containing product gas mixture of a gas-phase partial oxidation of C precursors of acrylic acid with molecular oxygen under heterogeneous catalysis, the separation column used contains both dual-flow trays and hydraulically sealed cross-flow trays as baffles having separation activity.
Quick Actions:
Thiel, Joachim. (2004). Fractional condensation of a product gas mixture containing acrylic acid (U.S. Patent No. 6679939). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6679939
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile