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. 28, 1997
Filed:
May. 24, 1994
Applicant:
Inventors:
Assignee:
Kemrhone France, Courbevoie Cedex, FR;
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
252175 ; 252178 ; 210716 ; 210723 ;
Abstract
Coagulant compositions, advantageously solvent (water) solution thereof, well suited for the treatment/purification of impure aqueous media, e.g., surface waters, wastewaters, effluents, etc., via sedimentation technique, comprise (i) at least one basic aluminum polychloride or polychlorosulfate, (ii) at least one iron(II) and/or iron(III) compound, and (iii) at least one alkali metal and/or alkaline earth metal halide.