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 7504536 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 17, 2009

Filed:

Aug. 17, 2007
Applicants:

Ashok Premchand Luhadiya, Cincinnati, OH (US);

Timothy William Dake, Cincinnati, OH (US);

Glenn Richard Hudepohl, Cincinnati, OH (US);

Donald Brown Compton, Cincinnati, OH (US);

Inventors:

Ashok Premchand Luhadiya, Cincinnati, OH (US);

Timothy William Dake, Cincinnati, OH (US);

Glenn Richard Hudepohl, Cincinnati, OH (US);

Donald Brown Compton, Cincinnati, OH (US);

Assignee:

The Procter & Gamble Company, Cincinnati, OH (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C 55/00 (2006.01); C07C 51/42 (2006.01);
U.S. Cl.
CPC ...
Abstract

A process for producing a calcium citrate malate composition by the steps of: combining a calcium source, a citrate source, a malate source and water to form a calcium citrate malate mixture. The mixture is reacted until reaching a peak temperature of from about 45° C. to about 70° C., and then cooled at a rate of from about 1° C./minute to about 4° C./minute to reach a final temperature of less than about 40° C. A calcium citrate malate precipitate is formed and then dried to obtain the calcium citrate malate composition.


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