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1. 发明授权

US10577432B2 Cellulose ether powders 有权
公开(公告)号：US10577432B2
公开(公告)日：2020-03-03
申请号：US15574497
申请日：2016-05-26
申请人： Dow Global Technologies LLC
发明人： Roland Adden , Tirtha Chatterjee , Matthias Knarr , Meinolf Brackhagen
IPC分类号： C08B11/20 , B01J2/04
摘要： Provided is a method of making methylcellulose-type ether in powder form, said method comprising (a) providing a solution of said methylcellulose-type ether in water, and (b) then separating said methylcellulose-type ether from said water to produce dried methylcellulose-type ether, with the proviso that either (i) step (b) produces said methylcellulose-type ether in powder form, or (ii) after step (b), said method additionally comprises a step (c) of subjecting said dried methylcellulose-type ether to mechanical stress to produce said methylcellulose-type ether in powder form.

2. 发明授权

US09782356B2 Capsule shells comprising an esterified cellulose ether 有权
公开(公告)号：US09782356B2
公开(公告)日：2017-10-10
申请号：US15308767
申请日：2015-04-28
申请人： Dow Global Technologies LLC
发明人： Jin Zhao , Roland Adden , Brian Koblinski , Robert L. Schmitt
IPC分类号： A61K9/48 , B29C41/14 , B29C41/00 , B29C41/46 , B29K1/00 , B29L31/00
CPC分类号： A61K9/4816 , B29C41/003 , B29C41/14 , B29C41/46 , B29K2001/12 , B29L2031/7174
摘要： A polymeric capsule shell of high quality is prepared from an aqueous composition which comprises (A) at least one esterified cellulose ether comprising aliphatic monovalent acyl groups and groups of the formula —C(O)—R—COOH, R being a divalent aliphatic or aromatic hydrocarbon group, wherein at least a part of the groups —C(O)—R—COOH are neutralized with an ammonium salt of carbonic acid, formic acid or acetic acid, and (B) from 0 to 7 weight percent of a non-polymeric plasticizer, based on the weight of the esterified cellulose ether, wherein the weight of said at least one esterified cellulose ether is at least 80 percent of the total polymer weight in the aqueous composition.

3. 发明申请

US20170181977A1 DISPERSION COMPRISING A PARTIALLY NEUTRALIZED ESTERIFIED CELLULOSE ETHER 审中-公开
公开(公告)号：US20170181977A1
公开(公告)日：2017-06-29
申请号：US15308792
申请日：2015-04-28
申请人： Dow Global Technologies LLC
发明人： Jin Zhao , Roland Adden , Neal J. Fetner , David L. Malotky
IPC分类号： A61K9/48 , B29C41/14
CPC分类号： A61K9/4816 , B29C41/14
摘要： An aqueous composition comprising at least 10 weight percent of a dispersed esterified cellulose ether, based on the total weight of the aqueous composition, wherein the esterified cellulose ether comprises (i) groups of the formula —C(O)—R—COOH or (ii) a combination of aliphatic monovalent acyl groups and groups of the formula —C(O)—R—COOH, R being a divalent aliphatic or aromatic hydrocarbon group, and at least a part of the groups —C(O)—R—COOH are neutralized with an ammonium salt of carbonic acid, formic acid or acetic acid, and wherein d90 of the dispersed esterified cellulose ether particles is up to 10 micrometers, d90 being the diameter where 90 mass percent of the particles have a smaller equivalent diameter and the other 10 mass percent have a larger equivalent diameter, is useful for preparing coating dosage forms including tablets, capsules and others, or for the formation of capsules shells.

4. 发明申请

US20170181976A1 CAPSULE SHELLS COMPRISING AN ESTERIFIED CELLULOSE ETHER 有权
公开(公告)号：US20170181976A1
公开(公告)日：2017-06-29
申请号：US15308767
申请日：2015-04-28
申请人： Dow Global Technologies LLC
发明人： Jin Zhao , Roland Adden , Brian Koblinski , Robert L. Schmitt
IPC分类号： A61K9/48 , B29C41/14 , B29C41/46 , B29C41/00
CPC分类号： A61K9/4816 , B29C41/003 , B29C41/14 , B29C41/46 , B29K2001/12 , B29L2031/7174
摘要： A polymeric capsule shell of high quality is prepared from an aqueous composition which comprises (A) at least one esterified cellulose ether comprising aliphatic monovalent acyl groups and groups of the formula —C(O)—R—COOH, R being a divalent aliphatic or aromatic hydrocarbon group, wherein at least a part of the groups —C(O)—R—COOH are neutralized with an ammonium salt of carbonic acid, formic acid or acetic acid, and (B) from 0 to 7 weight percent of a non-polymeric plasticizer, based on the weight of the esterified cellulose ether, wherein the weight of said at least one esterified cellulose ether is at least 80 percent of the total polymer weight in the aqueous composition.

5. 发明授权

US09616036B2 Sustained release dosage forms 有权
公开(公告)号：US09616036B2
公开(公告)日：2017-04-11
申请号：US14390046
申请日：2013-04-08
申请人： Dow Global Technologies LLC
发明人： Meinolf Brackhagen , Roland Adden , Oliver Petermann , Robert L. Sammler , David E. Wallick
IPC分类号： A61K31/167 , A61K9/20 , C08B11/08 , C08B11/193 , C08L1/28
CPC分类号： A61K31/167 , A61K9/2018 , A61K9/2054 , A61K9/2095 , C08B11/08 , C08B11/193 , C08L1/284
摘要： A sustained release dosage form comprises an active ingredient blended with a polymeric matrix. At least a portion of the polymeric matrix is formed by a cellulose ether having an onset dissolution temperature of at least 40° C., having anhydroglucose units joined by 1-4 linkages and having methyl groups, hydroxyalkyl groups, and optionally alkyl groups being different from methyl as substituents such that the cellulose ether has an MS (hydroxyalkyl) of 0.05 to 1.00, and hydroxyl groups of anhydroglucose units are substituted with methyl groups such that [s23/s26−0.2*MS(hydroxyalkyl)] is 0.31 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.

6. 发明授权

US09580517B2 Process for manufacturing lithium carboxymethyl cellulose 有权
标题翻译：制备羧甲基纤维素锂的方法
公开(公告)号：US09580517B2
公开(公告)日：2017-02-28
申请号：US14781322
申请日：2014-05-28
申请人： Dow Global Technologies LLC
发明人： Alexandra Hild , Hans-Juergen Juhl , Roland Adden
IPC分类号： C08B11/12 , C08B15/00
CPC分类号： C08B11/12 , C08B15/00
摘要： Prepare lithium carboxymethyl cellulose by treating sodium carboxymethyl cellulose with a weak acid to form an acid from of carboxymethyl cellulose and then treating the acid form of the carboxymethyl cellulose with lithium chloride.
摘要翻译：通过用弱酸处理羧甲基纤维素钠，由羧甲基纤维素形成酸，然后用氯化锂处理酸形式的羧甲基纤维素，制备羧甲基纤维素钠。

7. 发明申请

US20160330990A1 LIQUID COMPRISING ANIMAL PROTEIN AND A CARBOXY-C1-C3-ALKYL CELLULOSE 审中-公开
公开(公告)号：US20160330990A1
公开(公告)日：2016-11-17
申请号：US15220589
申请日：2016-07-27
申请人： Dow Global Technologies LLC
发明人： Anne Adden , Roland Adden , Britta Huebner-Keese
IPC分类号： A23C9/154 , A23L33/19 , A23C3/00
CPC分类号： A23C9/1544 , A23C3/00 , A23L33/19 , A23V2002/00 , A23V2200/254 , A23V2250/51088 , A23V2250/5424
摘要： An animal protein can be stabilized in a liquid of a pH of 5.5 to 8.0 against precipitation induced by heat-treatment or bivalent cations or both by incorporating into the liquid a carboxy-C1-C3-alkyl cellulose, having a particle size such that no more than 15 weight percent of the particles pass a 63 micrometer mesh screen, no more than 40 weight percent of the particles pass a 200 micrometer mesh screen and not more than 10 weight percent of the particles are retained on a 1000 micrometer mesh screen, in an amount of 0.005 to 0.055 g of carboxy-C1-C3-alkyl cellulose per g of animal protein.

8. 发明授权

US09364546B2 Melt-extruded composition comprising a cellulose ether 有权
标题翻译：包含纤维素醚的熔融挤出组合物
公开(公告)号：US09364546B2
公开(公告)日：2016-06-14
申请号：US14389838
申请日：2013-04-08
申请人： Dow Global Technologies LLC
发明人： Nicholas S. Grasman , True L. Rogers , Oliver Petermann , Meinolf Brackhagen , Roland Adden
IPC分类号： A61K9/14 , A61K47/38 , C08B11/193 , C08L1/28 , A61K9/16 , A61K9/20 , A61K31/192 , B29C47/00 , B29K1/00 , B29K105/00
CPC分类号： A61K47/38 , A61K9/1652 , A61K9/2095 , A61K31/192 , B29C47/004 , B29C47/0066 , B29C2793/009 , B29K2001/08 , B29K2105/0035 , C08B11/193 , C08L1/28 , C08L1/284
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.
摘要翻译：一种熔融挤出的聚合物组合物，其包含a）至少一种纤维素醚，b）一种或多种活性成分和c）一种或多种任选的添加剂，其中所述至少一种纤维素醚具有0.05至0.55的MS（羟烷基）和羟基脱水葡萄糖单元的基团被甲基取代，使得[s23 / s26-0.2 * MS（羟烷基）]为0.32以下，其中s23是脱水葡萄糖单元的摩尔分数，其中只有2位和3位的两个羟基，脱水葡萄糖单元的位置被甲基取代，其中s26是脱水葡萄糖单元的摩尔分数，其中脱水葡萄糖单元的2-和6-位上的两个羟基仅被甲基取代。

9. 发明授权

US09216191B2 Methods and composition for inducing satiety 有权
标题翻译：诱发饱腹感的方法和组成
公开(公告)号：US09216191B2
公开(公告)日：2015-12-22
申请号：US14350819
申请日：2012-10-11
申请人： Dow Global Technologies LLC
发明人： Roland Adden , Matthias Knarr , Britta Huebner-Keese , Robert L. Sammler
IPC分类号： A61K31/717 , A61K31/7016 , C08B11/02 , A61P3/04 , A23L1/308 , A23L1/00 , A23L1/0534 , A23L1/09 , A23L1/29 , A61K31/7004 , A61K31/702
CPC分类号： A61K31/717 , A23L5/00 , A23L7/00 , A23L9/00 , A23L29/262 , A23L29/30 , A23L33/125 , A23L33/21 , A23L33/24 , A23L33/30 , A23P10/20 , A23V2002/00 , A61K31/7004 , A61K31/7016 , A61K31/702 , A23V2200/228 , A23V2250/28 , A23V2250/51088 , A23V2250/60 , A23V2200/332
摘要： A flowable or spoonable medicament, food, food ingredient or food supplement is useful for inducing satiety. It comprises (a) one or more mono-, di- and/or oligosaccharides and (b) a methylcellulose, wherein the methylcellulose has anhydroglucose units joined by 1-4 linkages wherein hydroxy groups of anhydroglucose units are substituted with methyl groups such that s23/s26 is from 0.17 to 0.36, wherein s23 is the molar fraction of anhydroglucose units wherein only the two hydroxy groups in the 2- and 3-positions of the anhydroglucose unit are substituted with methyl groups and wherein s26 is the molar fraction of anhydroglucose units wherein only the two hydroxy groups in the 2- and 6-positions of the anhydroglucose unit are substituted with methyl groups.
摘要翻译：可流动或可匙取的药物，食物，食物成分或食物补充剂可用于诱导饱腹感。它包含（a）一种或多种单糖，二糖和/或寡糖和（b）甲基纤维素，其中甲基纤维素具有通过1-4键连接的脱水葡萄糖单元，其中脱水葡萄糖单元的羟基被甲基取代，使得s23 / s26为0.17至0.36，其中s23为脱水葡萄糖单元的摩尔分数，其中脱水葡萄糖单元的2-和3-位上的两个羟基仅被甲基取代，并且其中s26是脱葡萄糖单元的摩尔分数其中在脱水葡萄糖单元的2位和6位只有两个羟基被甲基取代。

10. 发明申请

US20150057358A1 NOVEL SUSTAINED RELEASE DOSAGE FORMS 有权
标题翻译：新的持续释放剂型
公开(公告)号：US20150057358A1
公开(公告)日：2015-02-26
申请号：US14390046
申请日：2013-04-08
申请人： Dow Global Technologies LLC
发明人： Meinolf Brackhagen , Roland Adden , Oliver Petermann , Robert L. Sammler , David E. Wallick
IPC分类号： A61K31/167 , A61K9/20
CPC分类号： A61K31/167 , A61K9/2018 , A61K9/2054 , A61K9/2095 , C08B11/08 , C08B11/193 , C08L1/284
摘要： A sustained release dosage form comprises an active ingredient blended with a polymeric matrix. At least a portion of the polymeric matrix is formed by a cellulose ether having an onset dissolution temperature of at least 40° C., having anhydroglucose units joined by 1-4 linkages and having methyl groups, hydroxyalkyl groups, and optionally alkyl groups being different from methyl as substituents such that the cellulose ether has an MS (hydroxyalkyl) of 0.05 to 1.00, and hydroxyl groups of anhydrogluclose units are substituted with methyl groups such that [s23/s26−0.2*MS(hydroxyalkyl)] is 0.31 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.
摘要翻译：持续释放剂型包含与聚合物基质共混的活性成分。聚合物基质的至少一部分由起始溶解温度为至少40℃的纤维素醚形成，其具有通过1-4键连接且具有甲基，羟基烷基和任选的烷基不同的脱水葡萄糖单元由甲基作为取代基，使得纤维素醚具有0.05至1.00的MS（羟基烷基），并且脱甲羟基化单元的羟基被甲基取代，使得[s23 / s26-0.2 * MS（羟烷基）]为0.31以下，其中s23是脱水葡萄糖单元的摩尔分数，其中只有脱水葡萄糖单元的2-和3-位上的两个羟基被甲基取代，并且其中s26是脱水葡萄糖单元的摩尔分数，其中只有两个羟基在脱水葡萄糖单元的2-位和6-位被甲基取代。

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