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. 09, 1976
Filed:
May. 04, 1973
Applicant:
Inventors:
Johann Cziska, Erftstadt Lechenich, DT;
George Strauss, Hurth-Hermulheim, DT;
Wilhelm Portz, Erftstadt Kierdorf, DT;
Klaus Komorniczyk, Turnich-Balkhausen, DT;
Joachim Kandler, Erftstadt Lechenich, DT;
Assignee:
Hoechst Aktiengesellschaft, Knapsack near Cologne, DT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29F / ; C09K / ; B03B / ; B03D / ;
U.S. Cl.
CPC ...
252 60 ; 2091725 ;
Abstract
The invention provides the use of an iron/silicon/phosphorus-alloy containing between 8 and 25 weight % of silicon and between 0.3 and 2.5 weight % of phosphorus as heavy medium for making heavy pulps for the heavy media separation of minerals.