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:
Dec. 15, 1981
Filed:
Feb. 07, 1980
Applicant:
Inventors:
Horst Bechthold, Erftstadt-Friesheim, DE;
Ulrich Mohn, Bergisch-Gladbach, DE;
Assignee:
Maschinenfabrik Buckau R. Wolf AG, Grevenbroich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C05C / ;
U.S. Cl.
CPC ...
71 61 ; 71 63 ; 71 646 ; 2331 / ; 159 / ;
Abstract
Ammonium sulfate in dissolved form is dried in a gas current to obtain the ammonium sulfate in finely divided form. Thereafter the ammonium sulfate is quickly placed into a pelletizing device, subjected to a fine water spray, pelletized to substantially uniform grain size, and dried if necessary and/or desired.