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. 10, 1984
Filed:
Feb. 19, 1982
Applicant:
Inventors:
Hans-Juergen Degen, Lorsch, DE;
Wolf Guender, Neustadt, DE;
Friedrich Linhart, Heidelberg, DE;
Werner Auhorn, Frankenthal, DE;
Guenter Frey, Dannstadt-Schauernheim, DE;
Werner Streit, Bobenheim, DE;
Rolf Fikentscher, Ludwigshafen, DE;
Assignee:
BASF Aktiengesellschaft, Rheinland-Pfalz, DE;
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210666 ; 1621641 ; 1621643 ; 1621646 ; 1621681 ; 1621822 ; 1621814 ; 1621815 ; 210667 ; 210712 ; 210727 ; 210728 ; 210917 ;
Abstract
A process for removing anionic compounds from water which is recycled in manufacturing processes, and from waste water, by adding (1) water-soluble products obtained by reacting an alkylating agent, having an aromatic substituent, with a cationic polyelectrolyte and (2) mineral adsorbents and/or a magnesium salt, aluminum salt or iron salt, with formation and flocculation of water-insoluble reaction products.