发明名称 |
MELT-EXTRUDED COMPOSITION COMPRISING A CELLULOSE ETHER |
摘要 |
A melt-extruded polymer composition comprising a) at least one cellulose ether, b) one or more active ingredients and c) one or more optional additives, wherein said at least one cellulose ether has an MS (hydroxyalkyl) of 0.05 to 0.55 and hydroxyl groups of anhydroglucose units are substituted with methyl groups such that [s23/s26−0.2*MS(hydroxyalkyl)] is 0.32 or less, wherein s23 is the molar fraction of anhydroglucose units wherein only the two hydroxyl groups in the 2- and 3-positions of the anhydroglucose unit are substituted with a methyl group and wherein s26 is the molar fraction of anhydroglucose units wherein only the two hydroxyl groups in the 2- and 6-positions of the anhydroglucose unit are substituted with a methyl group. |
申请公布号 |
EP2836517(B1) |
申请公布日期 |
2016.07.27 |
申请号 |
EP20130717678 |
申请日期 |
2013.04.08 |
申请人 |
DOW GLOBAL TECHNOLOGIES LLC |
发明人 |
GRASMAN, NICHOLAS, S.;ROGERS, TRUE, L.;PETERMANN, OLIVER;BRACKHAGEN, MEINOLF;ADDEN, ROLAND |
分类号 |
C08B11/193;A61K9/50;C08L1/28 |
主分类号 |
C08B11/193 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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