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. 29, 2002
Filed:
Jul. 03, 2000
Applicant:
Inventor:
Holger Heidenreich, Quarnbek/Flemhude, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/52 ;
U.S. Cl.
CPC ...
C02F 1/52 ;
Abstract
Process for removing heavy metal ions from aqueous media, characterized in that, to precipitate out the heavy metal ions, a sulphide precipitation is carried out in the presence of iron oxide.