Invention Grant
- Patent Title: Method for making an amino-functional polydiorganosiloxane using a removable solid catalyst
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Application No.: US16652699Application Date: 2019-04-03
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Publication No.: US11028233B2Publication Date: 2021-06-08
- Inventor: Nisaraporn Suthiwangcharoen , Kimmai Nguyen , Hannah Wedge
- Applicant: Dow Silicones Corporation
- Applicant Address: US MI Midland
- Assignee: Dow Silicones Corporation
- Current Assignee: Dow Silicones Corporation
- Current Assignee Address: US MI Midland
- Agent Catherine U. Brown
- International Application: PCT/US2019/025498 WO 20190403
- International Announcement: WO2019/231558 WO 20191205
- Main IPC: C08G77/08
- IPC: C08G77/08 ; C08G77/388 ; C08G77/16 ; C08K5/544 ; C08L83/08
Abstract:
A method for preparing an amino-functional polydiorganosiloxane employs a removable catalyst. The method differs from previous methods in the selection of catalyst, order of addition of catalyst with respect to other starting materials, and catalyst removal.
Public/Granted literature
- US20210070946A1 METHOD FOR MAKING AN AMINO-FUNCTIONAL POLYDIORGANOSILOXANE USING A REMOVABLE SOLID CATALYST Public/Granted day:2021-03-11
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