Invention Grant
- Patent Title: Solid dispersion comprising a highly substituted hydroxyalkyl methylcellulose
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Application No.: US14413241Application Date: 2013-07-12
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Publication No.: US09962446B2Publication Date: 2018-05-08
- Inventor: Nicholas S. Grasman , Steven J. Guillaudeu , Mark J. Hall , Uma Shrestha , Maureen L. Rose , William W. Porter, III , Wesley J. Spaulding , Kevin P. O'donnell , True L. Rogers
- Applicant: DOW GLOBAL TECHNOLOGIES LLC
- Applicant Address: US MI Midland
- Assignee: Dow Global Technologies LLC
- Current Assignee: Dow Global Technologies LLC
- Current Assignee Address: US MI Midland
- International Application: PCT/US2013/050213 WO 20130712
- International Announcement: WO2014/014752 WO 20140123
- Main IPC: A61K9/14
- IPC: A61K9/14 ; A61K47/38 ; A61K9/16 ; A61K9/48 ; A61K31/343 ; A61K31/58 ; A61K31/4166
Abstract:
A solid dispersion comprising at least one active ingredient in at least one hydroxyalkyl methylcellulose having a DS of from 1.0 to 2.7 and an MS of from 0.40 to 1.30, wherein DS is the degree of substitution of methoxyl groups and MS is the molar substitution of hydroxyalkoxyl groups, can be produced by extrusion or spray-drying.
Public/Granted literature
- US20150140091A1 SOLID DISPERSION COMPRISING A HIGHLY SUBSTITUTED HYDROXYALKYL METHYLCELLULOSE Public/Granted day:2015-05-21
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