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.:

US 7217400 B1

PDF
Full Text
Expired
Date of Patent:
May. 15, 2007

Filed:

Aug. 18, 2003
Applicants:

Edgar Evert Steenwinkel, Haarlem, NL;

Johannes Petrus Jozef Verlaan, Deventer, NL;

Marieke Paulyne Renate Spee, Utrecht, NL;

Erik Jeroen Laheij, Amsterdam, NL;

Paul O'connor, Hoevelaken, NL;

Dennis Stamires, Newport Beach, CA (US);

Inventors:

Edgar Evert Steenwinkel, Haarlem, NL;

Johannes Petrus Jozef Verlaan, Deventer, NL;

Marieke Paulyne Renate Spee, Utrecht, NL;

Erik Jeroen Laheij, Amsterdam, NL;

Paul O'Connor, Hoevelaken, NL;

Dennis Stamires, Newport Beach, CA (US);

Assignee:

Albemarle Netherlands B.V., Amersfoort, NL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G 1/00 (2006.01); C01G 49/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An apparatus and continuous process for the conversion of one solid iron compound to another solid iron compound in a heterogeneous suspension wherein the suspension is formed by dispersing a solid starting iron compound in a liquid that is continuously fed through one or more agitated conversion vessels under hydrothermal conditions and converted to a solid product iron compound having different physical, chemical, or structural properties from the solid starting iron compound.


Find Patent Forward Citations

Steenwinkel, Edgar. (2007). Preparation of iron compounds by hydrothermal conversion (U.S. Patent No. 7217400). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7217400

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