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    PARTIALLY CROSS-LINKED ESTERIFIED CELLULOSE ETHERS
    2.
    发明申请
    PARTIALLY CROSS-LINKED ESTERIFIED CELLULOSE ETHERS 有权
    部分交联的蛋白质酯

    公开(公告)号：US20150203597A1

    公开(公告)日：2015-07-23

    申请号：US14420985

    申请日：2013-08-15

    Applicant: Dow Global Technologies LLC

    Inventor： Meinolf Brackhagen ,  Nicholas S. Grasman ,  Yongfu Li ,  David M. Meunier ,  Oliver Petermann ,  Matthias Sprehe

    IPC: C08B13/00 ,  C08B11/20 ,  A61K9/10

    CPC classification number: C08B13/00 ,  A61K9/10 ,  A61K9/146 ,  A61K9/2866 ,  C08B11/20

    Abstract: A partially cross-linked esterified cellulose ether having A) groups of the formula —C(O)—R—COOA or a combination of aliphatic monovalent acyl groups and groups of the formula —C(O)—R—COOA, wherein R is a divalent aliphatic or aromatic hydrocarbon group and A is hydrogen or a cation, and B) having a molecular weight distribution such that [Wf(>100 k)−Wf(>100 k)XL]/Wf(>100 k)XL is at least 0.20, wherein Wf(>100 k) is the total weight fraction of the esterified cellulose ether that exceeds 100,000 g/mol, and Wf(>100 k)XL is the weight fraction that exceeds 100,000 g/mol of the methylated esterified cellulose ether is useful as enteric polymer for pharmaceutical dosage forms.

    Abstract translation: 具有A）基团的式-C（O）-R-COOA或脂族一价酰基和式-C（O）-R-COOA基团的部分交联的酯化纤维素醚，其中R为 二价脂族或芳族烃基，A是氢或阳离子，B）分子量分布使得[Wf（> 100k）-Wf（> 100k）XL] / Wf（> 100k）XL为 至少0.20，其中Wf（> 100k）是超过100,000g / mol的酯化纤维素醚的总重量分数，Wf（> 100k）XL是甲基化酯化的超过100,000g / mol的重量分数 纤维素醚可用作药物剂型的肠溶性聚合物。

    POLYMER OIL BLEND
    7.
    发明申请
    POLYMER OIL BLEND 有权

    公开(公告)号：US20220151908A1

    公开(公告)日：2022-05-19

    申请号：US17440402

    申请日：2020-04-16

    Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

    Inventor： Luqing Qi ,  Liang Chen ,  Lu Bai ,  Lyndsay M. Leal ,  David M. Meunier ,  Yunshen Chen ,  Fanwen Zeng

    IPC: A61K8/81 ,  A61K8/37 ,  A61K8/92 ,  A61Q19/00 ,  A61Q5/00

    Abstract: A polymer oil blend is provided comprising (a) a cosmetically acceptable long chain hydrophobic ester oil, wherein the cosmetically acceptable long chain hydrophobic ester oil comprises aliphatic C>12-24 alkyl triglycerides; (b) a thickening polymer powder, wherein the thickening polymer powder comprises: (i) 96 to 99.9 wt %, based on weight of the thickening polymer powder, of structural units of C4-8 alkyl (meth)acrylate monomer; (ii) 0.1 to 2 wt %, based on weight of the thickening polymer powder, of structural units of (meth)acrylic acid monomer; (iii) 0 to 2 wt %, based on weight of the thickening polymer powder, of structural units of multi-ethylenically unsaturated crosslinking monomer; and (c) a silica powder; and wherein the weight ratio of silica powder/thickening polymer powder is ≥0.25. Also provided are personal care compositions containing same and methods of using same.

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