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:
Nov. 17, 1981
Filed:
Jun. 30, 1980
Applicant:
Inventors:
Assignee:
Uhde GmbH, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C05B / ;
U.S. Cl.
CPC ...
71 25 ; 71 33 ; 210751 ; 210907 ;
Abstract
A method for processing waste sludge from wet phosphoric acid purification facilities wherein steelworks slag is separately ground, the ground slag then is force-mixed and granulated together with the waste sludge.