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:
Aug. 16, 1994
Filed:
Dec. 14, 1993
Applicant:
Inventors:
Berndt-Ullrich Kohler, Krefeld, DE;
Haruki Kurokawa, Hiroshima, JP;
Assignee:
Bayer AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09C / ;
U.S. Cl.
CPC ...
106457 ; 252 6259 ; 423633 ;
Abstract
The present invention relates to a method of preparing Si-containing goethite (.alpha.-FeOOH) by the precipitation of Fe(II) salts with an excess of base, and subsequent oxidation in the presence of a silicate solution.
Kohler, Berndt-Ullrich. (1994). Method of preparing goethite (U.S. Patent No. 5338355). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5338355
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile