METHOD FOR PRODUCING EXTENDED-RELEASE PREPARATION COMPOSITION

Title:

METHOD FOR PRODUCING EXTENDED-RELEASE PREPARATION COMPOSITION

Document Type and Number:

WIPO Patent Application WO/2010/004730

Kind Code:

A1

Abstract:

Disclosed is a method for producing an extended-release preparation composition which is characterized by comprising a spray-drying step wherein a composition containing (1) an active component, (2) a resin component and (3) a solvent is spray-dried using a spray dryer, while controlling the outlet temperature of the spray dryer. The method is also characterized in that the solvent content in the composition after the spray drying is not more than 5% by mass and the composition after the spray drying substantially contains no decomposition products of the active component.

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Inventors:

ENDO YOSHIHISA (JP)
NAKAMURA YOSHIO (JP)
FUKUHARA SHINYA (JP)

Application Number:

PCT/JP2009/003154

Publication Date:

January 14, 2010

Filing Date:

July 07, 2009

Export Citation:

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Assignee:

NIPPON SODA CO (JP)
ENDO YOSHIHISA (JP)
NAKAMURA YOSHIO (JP)
FUKUHARA SHINYA (JP)

International Classes:

A01N25/10; A01N47/40; A01P7/02; A01P7/04

Domestic Patent References:

WO2006013972A1	2006-02-09
WO2006013972A1	2006-02-09
WO2006013972A1	2006-02-09

Foreign References:

JP2007091716A	2007-04-12
JP2007031334A	2007-02-08
JPS63192702A	1988-08-10
JPH08295638A	1996-11-12
JP2008181653A	2008-08-07
JP2005187452A	2005-07-14

Other References: