Invention Grant
- Patent Title: Method for the preparation of copolymers of alkyl methacrylates and maleic anhydride
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Application No.: US15537180Application Date: 2015-12-16
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Publication No.: US10465027B2Publication Date: 2019-11-05
- Inventor: Rhishikesh Gokhale , Sandra Muehling , Miriam Kathrin Stihulka , Klaus Schimossek , Frank-Olaf Maehling
- Applicant: Evonik Oil Additives GmbH
- Applicant Address: DE Darmstadt
- Assignee: Evonik Oil Additives GmbH
- Current Assignee: Evonik Oil Additives GmbH
- Current Assignee Address: DE Darmstadt
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: EP14198787 20141218
- International Application: PCT/EP2015/080074 WO 20151216
- International Announcement: WO2016/097039 WO 20160623
- Main IPC: C08F220/18
- IPC: C08F220/18 ; C08F2/10 ; C08F222/06 ; C10M145/16 ; C10M145/14
Abstract:
A method for the preparation of a sulfur-free copolymer proceeds by solution polymerization in the presence of a radical initiator, wherein the copolymer contains at least one alkyl methacrylate and maleic anhydride having a number average molecular weight of 3000 to 9000 g/mol.
Public/Granted literature
- US20170369615A1 METHOD FOR THE PREPARATION OF COPOLYMERS OF ALKYL METHACRYLATES AND MALEIC ANHYDRIDE Public/Granted day:2017-12-28
Information query
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