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:
Oct. 28, 1997
Filed:
Oct. 19, 1995
Applicant:
Inventors:
Christoph Holzner, Koln, DE;
Hans-Dieter Block, Leverkusen, DE;
Hans-Heinrich Moretto, Leverkusen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G / ;
U.S. Cl.
CPC ...
423 10 ; 423 215 ; 423 22 ; 423 24 ; 423 49 ; 423 54 ; 423 63 ; 423 70 ; 423 89 ; 423 99 ; 423112 ; 423139 ; 4236585 ;
Abstract
Use of diethyl dodecylphosphonate (DEDP) for the extraction of acids and metal salts from aqueous solutions.