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.

Date of Patent:
Aug. 11, 2015

Filed:

Mar. 16, 2007
Applicants:

Pierre Buisson, Lagord, FR;

Claude Chesse, La Rochelle, FR;

Inventors:

Pierre Buisson, Lagord, FR;

Claude Chesse, La Rochelle, FR;

Assignee:

INNOV′IA, La Rochelle, FR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 31/7016 (2006.01); C07H 3/04 (2006.01); B01D 1/18 (2006.01); B01J 2/02 (2006.01); B01J 2/30 (2006.01);
U.S. Cl.
CPC ...
B01J 2/02 (2013.01); A61K 31/7016 (2013.01); B01D 1/18 (2013.01); B01J 2/30 (2013.01); C07H 3/04 (2013.01);
Abstract

Method of preparing a non-hygroscopic pulverulent composition, includes a step for the spray drying, without an atomization support, of an aqueous solution containing at least one initially hygroscopic product, having a glass transition temperature ranging from 10° C. to 110° C., and a cryogenic fluid, especially a food-grade cryogenic fluid, or a mixture of cryogenic fluids, particularly chosen from liquid air, nitrogen and carbon dioxide, the aqueous solution being obtained by dissolving the cryogenic fluid in an initial aqueous solution containing the initially hygroscopic product.


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