Patent EP0171710A2 successfully refreshed from Google Patents.
EP0171710A2
Expired / Lapsed
EP
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Process for preparing liposome composition
Assignee: Shionogi and Co Ltd
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Filing: 1985-08-01
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Granted: —
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Expires: 2005-08-01
Abstract
Abstract Novel process for liposome compositions capable to retain larger amount of drugs with a small amount of phospholipid and to provide, therefore, safer medications of various drugs, which comprises dispersing multilamella vesicles or small unilamella vesicles in an aqueous medium in the presence of one or more clinically active ingredients at or over a temperature of the gel/liquid crystal-phase transition wherein lyophilization may be made before or after the dispersion.
Inventors
- 👤 Hiroaki Jizomoto
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-06 17:37
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/10; A61K9/127; A61K9/1277
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
49 words
A process for preparing liposome compositions which comprises dispersing multilamella vesicles or small unilamella vesicles in an aqueous medium in the presence of one or more clinically active ingredients at or over a temperature of the gel-phase/liquid crystal-phase transition wherein lyophilization may be made before or after the dispersion.
Claim 2
Dependent Claim
49 words
A process for preparing liposome compositions which comprises dispersing multilamella vesicles or small unilamella vesicles in an aqueous medium in the presence of one or more clinically active ingredients at or over a temperature of the gel-phase/liquid crystal-phase transition wherein lyophilization may be made before or after the dispersion.
Claim 3
Dependent Claim
23 words
A process claimed in claim 1, wherein said active ingredients are admixed before the lyophilization of said multilamella vesicles or small unilamella vesicles.
Claim 4
Dependent Claim
28 words
A process claimed in claim 1, wherein said active ingredients are admixed with said lyophilized multilamella vesicles or small unilamella vesicles and then dispersed in the aqueous medium.
Claim 5
Dependent Claim
18 words
A process claimed in claim 1, wherein the active ingredient is added in advance to the aqueous medium.
References Cited (Backward Citations)
No citation records indexed.
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