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Title:
ENTERIC HARD CAPSULE
Document Type and Number:
WIPO Patent Application WO/2019/245031
Kind Code:
A1
Abstract:
The present invention provides a hard capsule that can be formed by means of a cold gelation process and comprises a hard capsule coating that is enterosoluble. Provided is an enteric hard capsule comprising a coating which contains (a) a first component and a second component or (b) contains a first component and a second component and further contains at least one component from among a third component and a fourth component, wherein: the first component is methylcellulose and/or hydroxypropyl methylcellulose having a viscosity value of 6 mPa·s or higher, the second component is an enterosoluble methacrylic acid copolymer, the third component is a water-insoluble alkyl (meth)acrylate copolymer and/or ethylcellulose, and the fourth component is at least one compound selected from the group consisting of plasticizers that are acceptable pharmaceutically and as food additives and surfactants; and when 100 mass% is the total mass of the first component, the second component, the third component, and the fourth component included in the coating, the ratio of the first component is 30–70 mass%, the ratio of the second component is 30–60 mass%, and the total of the ratios of the first component and the second component is 70 mass% or higher.

Inventors:
OSAKI YOSHIRO (JP)
ASO MAKOTO (JP)
UENO KOKI (JP)
Application Number:
PCT/JP2019/024713
Publication Date:
December 26, 2019
Filing Date:
June 21, 2019
Export Citation:
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Assignee:
QUALICAPS CO LTD (JP)
International Classes:
A61K47/38; A61K9/48; A61K31/381; A61K31/4439; A61K31/616; A61K47/32; A61P1/00; A61P25/24; A61P29/00
Domestic Patent References:
WO2019013260A12019-01-17
WO2011036601A12011-03-31
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See also references of EP 3811976A4
Attorney, Agent or Firm:
SAEGUSA & PARTNERS (JP)
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