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:
Dec. 13, 2016

Filed:

Jul. 10, 2013
Applicant:

Takeda Pharmaceutical Company Limited, Osaka-shi, Osaka, JP;

Inventors:

Seitaro Mizukami, Osaka, JP;

Naoki Choda, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/52 (2006.01); A61K 9/50 (2006.01); B04C 5/13 (2006.01); A61K 38/24 (2006.01); A61K 38/00 (2006.01); A61J 3/07 (2006.01);
U.S. Cl.
CPC ...
A61K 9/5089 (2013.01); A61K 9/5026 (2013.01); A61K 9/5031 (2013.01); A61K 38/24 (2013.01); B04C 5/13 (2013.01); A61J 3/077 (2013.01); A61K 38/00 (2013.01); F04C 2270/0421 (2013.01);
Abstract

A method for producing a microcapsule powder includes a concentration step. In the concentration step, an aqueous dispersion of a microcapsule is supplied into a cyclone, and the aqueous dispersion is then concentrated. The concentration step includes an aqueous dispersion-supplying step and a concentrated dispersion-recovering step. In the aqueous dispersion-supplying step, the aqueous dispersion is supplied into a cylindrical member inlet. In the concentrated dispersion-recovering step, a microcapsule dispersion is recovered. The microcapsule dispersion is discharged through a conical member outlet.


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