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 7537639 B1

PDF
Full Text
Expired
Date of Patent:
May. 26, 2009

Filed:

Nov. 10, 2004
Applicants:

Paul Alexander DE Vries, Heemstede, NL;

Huibrecht Adriaan Wouters, Leiden, NL;

Martinus Leonardus Rutten, Arnhem, NL;

Volker Gerhard Aurich, Oosterbeek, NL;

Johannes Hendrikus Ten Have, Bemmel, NL;

Inventors:
Assignee:

Aleris Switzerland GmbH, Schaffhausen, CH;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22B 9/02 (2006.01); C22B 21/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

Method of cooling an at most partially solidified molten metal during fractional crystallization wherein metal crystals formed have a purer composition than that of the molten metal. Salt in solid form is used to cool the at most partially solidified molten metal.


Find Patent Forward Citations

De Vries, Paul. (2009). Method of cooling molten metal during fractional crystallisation (U.S. Patent No. 7537639). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7537639

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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