US Patent 11939434 Polymeric dispersants from phenyl glycidyl ether
Patent 11939434 was granted and assigned to Stepan Company on March, 2024 by the United States Patent and Trademark Office.
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US Patent 11939434 Polymeric dispersants from phenyl glycidyl ether
Article
Patent abstract
Copolymers comprising recurring units of a phenyl glycidyl ether and alkylene oxides are disclosed. Some of the copolymers comprise a di- or polyfunctional nucleophilic initiator and recurring units of the phenyl glycidyl ether and an alkylene oxide. The di- or polyfunctional nucleophilic initiator is an alcohol, phenol, amine, thiol, thiophenol, sulfinic acid, or deprotonated species thereof. Other copolymers comprise a monofunctional nucleophilic initiator selected from thiols, thiophenols, aralkylated phenols, sulfinic acids, secondary amines, C
Infobox
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Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
E. Carolina Rojas0
Gary Luebke0
Paul W. Knox0
Renee Luka0
Timothy A. Boebel0
Xue Min Dong0
Date of Patent
March 26, 2024
0Patent Application Number
168365440
Date Filed
March 31, 2020
0Patent Citations
Patent Primary Examiner
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