US Patent 11180590 Copolymer and preparation method therefor
Patent 11180590 was granted and assigned to LG Chem on November, 2021 by the United States Patent and Trademark Office.
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Patent abstract
The present invention relates to a copolymer including 20 to 65 wt % of units derived from an alkyl styrene-based monomer; 10 to 40 wt % of units derived from a (meth)acrylate-based monomer; and 20 to 40 wt % of units derived from vinyl cyan-based monomer, based on the total weight of the copolymer, wherein the residual monomer content is 780 ppm or less, and a method for preparing the same.
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Patent Inventor Names
Dae Woo Lee0
Gyu Sun Kim0
Jae Bum Seo0
Ji Uk Jang0
Jung Tae Park0
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Official Website
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US Patent 11180590 Copolymer and preparation method therefor
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Is a
Patent applicant
Current assignee
Patent jurisdiction
Patent number
11180590
Date of patent
November 23, 2021
Patent application number
16339705
Date Filed
July 26, 2018
Patent primary examiner
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