Patent EP0220670A2 successfully refreshed from Google Patents.
EP0220670A2
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EP
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Multilayer granule
Assignee: Eisai Co Ltd
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Filing: 1986-10-22
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Granted: —
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Expires: 2006-10-22
Abstract
Abstract A multilayer granule of the invention comprises a core, a slow-release layer, a rapid-release layer to be provided outer of said slow-release layer and a film layer containing a metal stearate and being deposited between the slow-release layer and the rapid-release layer. A pharmacologically effective component is kept to discharge for long.
Inventors
- 👤 Sumio Watanabe
- 👤 Ichiro Yamakawa
- 👤 Hidenobu Ando
- 👤 Nobutaka Noda
- 👤 Yasuo Miyake
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 15:26
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/48; A61K9/50; A61K9/5073; A61K9/5078; A61K9/14; A61K9/16; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2984; Y10T428/2985; Y10T428/2989; Y10T428/2991; Y10T428/2998
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
37 words
Process for preparing a multilayer granule comprising providing a core, a slow-release layer, a rapid-release layer around said slow-release layer and depositing a film layer containing a metal stearate between the slow-release layer and the rapid-release layer.
Claim 2
Dependent Claim
37 words
Process for preparing a multilayer granule comprising providing a core, a slow-release layer, a rapid-release layer around said slow-release layer and depositing a film layer containing a metal stearate between the slow-release layer and the rapid-release layer.
Claim 3
Dependent Claim
40 words
Process for preparing a multilayer granule as claimed in claim 1, in which said film layer comprises a film-forming component selected from ethyl cellulose, hydroxypropylmethyl cellulose, shellac and wax and a metal stearate selected from calcium stearate and magnesium stearate.
Claim 4
Dependent Claim
40 words
Process for preparing a multilayer granule as claimed in claim 1 or 2, in which said film layer comprises 10 to 80 percent by weight of said metal stearate and 90 to 20 percent by weight of a film-forming component.
References Cited (Backward Citations)
No citation records indexed.
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