Invention Application
- Patent Title: ALKALINE-SWELLABLE EMULSION POLYMERS
- Patent Title (中): 碱性可溶性乳液聚合物
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Application No.: US14782119Application Date: 2014-04-04
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Publication No.: US20160046747A1Publication Date: 2016-02-18
- Inventor: Fanwen Zeng , Sylvie Doulut
- Applicant: ROHM AND HAAS COMPANY
- Priority: EP13290079.6 20130404
- International Application: PCT/US2014/032991 WO 20140404
- Main IPC: C08F220/10
- IPC: C08F220/10 ; A61K8/06 ; A61Q5/02 ; A61Q19/10 ; A61Q19/00 ; A61Q5/06 ; A61Q5/04 ; A61Q17/04 ; A61Q19/04 ; A61K8/81 ; A61Q5/10
Abstract:
Emulsion polymer particles comprising from 25 to 45 wt % polymerized residues of at least one C3-C6 carboxylic acid monomer and from 0.1 to 3 wt % polymerized residues of at least one crosslinker, wherein percentage of crosslinker increases continuously from particle centers to particle surfaces.
Public/Granted literature
- US09587057B2 Alkaline-swellable emulsion polymers Public/Granted day:2017-03-07
Information query
IPC分类:
