公开(公告)号：US20190202942A1

公开(公告)日：2019-07-04

申请号：US16308021

申请日：2017-06-12

申请人： E I DU PONT DE NEMOURS AND COMPANY

发明人： Helen S M Lu ,  Robert Dicosimo ,  Rong Guan ,  Weiming Qui

IPC分类号： C08B37/00 ,  C11D3/22 ,  C11D3/386

CPC分类号： C08B37/0009 ,  C08L5/00 ,  C11D3/225 ,  C11D3/227 ,  C11D3/386

摘要： The disclosure relates to compositions comprising a polysaccharide derivative. The polysaccharide derivative is a polysaccharide polymer wherein the polymer is substituted with at least one polyether group and/or polyamine group. Compositions comprising the polysaccharide derivative are useful as detergent compositions.

公开(公告)号：US10059779B2

公开(公告)日：2018-08-28

申请号：US14933128

申请日：2015-11-05

申请人： E I DU PONT DE NEMOURS AND COMPANY

发明人： Rakesh Nambiar ,  Rong Guan ,  Qiong Cheng ,  Robert Dicosimo ,  Jayme L Paullin ,  Yuanfeng Liang ,  Charles R Powley ,  Yefim Brun

IPC分类号： C08B37/02 ,  C12P19/08 ,  C11D3/22 ,  C08L5/02

CPC分类号： C08B37/0021 ,  C08L5/02 ,  C11D3/222 ,  C12P19/08

摘要： Compositions are disclosed herein comprising dextran that comprises (i) 87-93 wt % glucose linked at positions 1 and 6; (ii) 0.1-1.2 wt % glucose linked at positions 1 and 3; (iii) 0.1-0.7 wt % glucose linked at positions 1 and 4; (iv) 7.7-8.6 wt % glucose linked at positions 1, 3 and 6; and (v) about 0.4-1.7 wt % glucose linked at (a) positions 1, 2 and 6, or (b) positions 1, 4 and 6. Aqueous forms of this composition have enhanced viscosity profiles. Further disclosed are methods of using compositions comprising dextran, such as increasing the viscosity of an aqueous composition. Enzymatic reactions for producing dextran are also disclosed.

公开(公告)号：US20160122445A1

公开(公告)日：2016-05-05

申请号：US14933128

申请日：2015-11-05

申请人： E I DU PONT DE NEMOURS AND COMPANY

发明人： RAKESH NAMBIAR ,  Rong Guan ,  Qiong Cheng ,  Robert Dicosimo ,  Jayme L. Paullin ,  Yuanfeng Liang ,  Charles R. Powley ,  Yefim Brun

IPC分类号： C08B37/02 ,  C11D3/22 ,  C12P19/08

CPC分类号： C08B37/0021 ,  C08L5/02 ,  C11D3/222 ,  C12P19/08

摘要： Compositions are disclosed herein comprising dextran that comprises (i) 87-93 wt % glucose linked at positions 1 and 6; (ii) 0.1-1.2 wt % glucose linked at positions 1 and 3; (iii) 0.1-0.7 wt % glucose linked at positions 1 and 4; (iv) 7.7-8.6 wt % glucose linked at positions 1, 3 and 6; and (v) about 0.4-1.7 wt % glucose linked at (a) positions 1, 2 and 6, or (b) positions 1, 4 and 6. Aqueous forms of this composition have enhanced viscosity profiles. Further disclosed are methods of using compositions comprising dextran, such as increasing the viscosity of an aqueous composition. Enzymatic reactions for producing dextran are also disclosed.

摘要翻译： 本文公开的组合物包含葡聚糖，其包含（i）在位置1和6处连接的87-93重量％的葡萄糖; （ii）在1和3位连接的0.1-1.2重量％葡萄糖; （iii）在位置1和4处连接0.1-0.7重量％的葡萄糖; （iv）在1,3和6位连接的7.7-8.6重量％葡萄糖; 和（v）在（a）位置1,2和6处连接的约0.4-1.7重量％的葡萄糖，或（b）第1,4和6位。该组合物的水性形式具有增强的粘度分布。 进一步公开的是使用包含葡聚糖的组合物的方法，例如增加水性组合物的粘度。 还公开了用于生产葡聚糖的酶反应。