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:
Apr. 30, 2013
Filed:
Sep. 24, 2010
Frank Castillo-welter, Friedrichsdorf, DE;
Christoph Steden, Oberursel, DE;
Dominic Walter, Darmstadt, DE;
Georg Ehring, Frankfurt, DE;
Martin Müller-hasky, Heusenstamm, DE;
Frank Castillo-Welter, Friedrichsdorf, DE;
Christoph Steden, Oberursel, DE;
Dominic Walter, Darmstadt, DE;
Georg Ehring, Frankfurt, DE;
Martin Müller-Hasky, Heusenstamm, DE;
Lurgi GmbH, Frankfurt am Main, DE;
Abstract
A process for the continuous production of melamine from urea by means of a fluidized-bed reactor, wherein process gas guided in the process circuit is used as fluidizing gas and wherein the temperature of the process gas at the inlet of the conveying means for the fluidizing gas is adjusted by adjusting the mixing ratio of a process gas stream guided over a scrubber and of a process gas stream guided past the scrubber.