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:
Jan. 03, 1989
Filed:
Jun. 11, 1987
Applicant:
Inventors:
Sandor Bauer, Nagykanizsa, HU;
Sandor Doleschall, Budapest, HU;
Andras Gal, Budapest, HU;
Gyula Milley, Nagykanizsa, HU;
Gyula Nagy, Nagykanizsa, HU;
Tibor Paal, Nagykanizsa, HU;
Assignee:
Magyar Szenhidrogenipari Kutato-Fejleszto Intezet, Szazhalombatta, HU;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210665 ; 210712 ; 210723 ; 210726 ; 210778 ;
Abstract
The invention relates to a process for improving the sedimentation and filtering properties of waste waters and/or slurries and muds containing clay minerals. The waste waters and/or slurries obtained in the various technologies and containing clay minerals and optionally also other solid components are treated with compounds containing ions having a hydrated ionic diameter of from 0.12 to 0.15 nm and a co-ordination number of 12.