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:
Mar. 22, 2005
Filed:
Nov. 02, 2001
Applicant:
Gerhard Coufal, Linz, AT;
Inventor:
Gerhard Coufal, Linz, AT;
Assignee:
Agrolinz Melamin GmbH, Linz, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D251/60 ; C07D251/62 ;
U.S. Cl.
CPC ...
Abstract
A process for purifying gaseous melamine containing ammonia is provided. The method comprises partly condensing the gaseous melamine-containing ammonia to form melamine in liquid NHand purified NHgas. The melamine and purified NHgas are taken off.