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. 10, 2006
Filed:
Jun. 25, 2002
Applicants:
Helmuth Domes, Obertshausen, DE;
Thomas Gutermuth, Maintal, DE;
Herbert Feisel, Hofheim, DE;
Lutz Urban, Schmitten, DE;
Inventors:
Helmuth Domes, Obertshausen, DE;
Thomas Gutermuth, Maintal, DE;
Herbert Feisel, Hofheim, DE;
Lutz Urban, Schmitten, DE;
Assignee:
MG Technologies AG, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 1/14 (2006.01); C07D 307/89 (2006.01);
U.S. Cl.
CPC ...
Abstract
Process for generating a homogeneous gas mixture of o-xylene and air for the production of phthalic anhydride wherein o-xylene is completely evaporated in the absence of oxygen, superheated and then mixed with air and supplied to a phthalic anhydride reactor.