Invention Grant
- Patent Title: Preparation of nanoparticles-releasing enteric microparticles
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Application No.: US15522530Application Date: 2015-10-15
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Publication No.: US10561622B2Publication Date: 2020-02-18
- Inventor: Andrea Hanefeld , Markus Weigandt , Stefan Schiller , Marc Schneider , Michael C. Lehr
- Applicant: Merck Patent GmbH
- Applicant Address: DE Darmstadt
- Assignee: Merck Patent GmbH
- Current Assignee: Merck Patent GmbH
- Current Assignee Address: DE Darmstadt
- Agency: Millen White Zelano & Branigan
- Priority: EP14003650 20141028
- International Application: PCT/EP2015/002033 WO 20151015
- International Announcement: WO2016/066249 WO 20160506
- Main IPC: A61K9/50
- IPC: A61K9/50 ; A61K9/51

Abstract:
The present invention is directed to a process for the preparation of enteric microparticles comprising nanoparticles, wherein the nanoparticles comprise a matrix and an active ingredient. The microparticles obtained by such process are usable various multiparticulate pharmaceutical formulations such as extemporaneous dosage forms (powder for reconstitution).
Public/Granted literature
- US20170312229A1 PREPARATION OF NANOPARTICLES-RELEASING ENTERIC MICROPARTICLES Public/Granted day:2017-11-02
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