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. 14, 2006
Filed:
Nov. 14, 2003
Applicants:
Hans Christian Alt, Gelnhausen-Meerholz, DE;
Andreas Gölz, Rodenbach, DE;
Alfred Alig, Geiselbach-Omersbach, DE;
Inventors:
Hans Christian Alt, Gelnhausen-Meerholz, DE;
Andreas Gölz, Rodenbach, DE;
Alfred Alig, Geiselbach-Omersbach, DE;
Assignee:
Degussa AG, Düsseldorf, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B 17/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process and a device for producing anhydrous alkali sulfide, wherein an alkali sulfide solution, alkali sulfide suspension, alkali sulfide dispersion or alkali water of crystallization melt is dried by spray drying with inert drying gas loaded with water vapor.