US Patent 10968165 Polyaspartic acid ester compositions and method for purification
Patent 10968165 was granted and assigned to Covestro on April, 2021 by the United States Patent and Trademark Office.
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Patent abstract
The present invention relates to a method for purifying polyaspartic acid ester compositions and to the provision of polyaspartic acid ester compositions that contain 0.01 to <2% by weight fumaric acid dialkyl esters.
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Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
109681650
Date of Patent
April 6, 2021
0Patent Application Number
166483660
Date Filed
September 14, 2018
0Official Website
Patent Primary Examiner
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Infobox
Is a
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
109681650
Date of Patent
April 6, 2021
0Patent Application Number
166483660
Date Filed
September 14, 2018
0Official Website
Patent Primary Examiner
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US Patent 10968165 Polyaspartic acid ester compositions and method for purification
Infobox
Is a
Patent applicant
Current assignee
Patent jurisdiction
Patent number
10968165
Date of patent
April 6, 2021
Patent application number
16648366
Date Filed
September 14, 2018
Patent primary examiner
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