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:
May. 17, 1994
Filed:
Dec. 09, 1992
Applicant:
Inventors:
Paul Jaeger, Bad Hoenningen, DE;
Hans-Hermann Riechers, Bad Hoenningen, DE;
Karl Koehler, Diekholzen, DE;
Martin Wulff, Bad Hoenningen, DE;
Assignee:
Kali-Chemie AG, Hanover, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01F / ;
U.S. Cl.
CPC ...
423155 ; 423170 ; 423178 ; 423554 ;
Abstract
A process for working-up waste materials from barium sulfide or strontium sulfide leaching in which the amount of waste material to be disposed of is substantially decreased.