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US Patent 11230625 End-group isomerization of poly(alkylene carbonate) polymers

Patent 11230625 was granted and assigned to Saudi Aramco on January, 2022 by the United States Patent and Trademark Office.

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Patent abstract

Described herein are methods of preparing poly(alkylene carbonate) polymers comprising an increased ratio of primary hydroxyl end groups to secondary hydroxyl end groups, and compositions thereof.

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Patent Inventor Names
Christopher A. Simoneau0
James Eagan0
Jay J. Farmer0
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=112306250
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Patent Citations Received
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US Patent 11535706 Polycarbonate polyol compositions and methods
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Website URL
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 US Patent 11230625 End-group isomerization of poly(alkylene carbonate) polymers

Infobox
Is a
Patent
Patent
Patent applicant
Saudi Aramco
Saudi Aramco
Current assignee
Saudi Aramco
Saudi Aramco
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
11230625
Date of patent
January 25, 2022
Patent application number
16387788
Date Filed
April 18, 2019
Patent citations
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US Patent 10047188 High strength polyurethane foam compositions and methods
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US Patent 10138369 Polymer compositions and methods
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US Patent 10308759 Aliphatic polycarbonate polyol compositions
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US Patent 10301426 Polycarbonate polyol compositions and methods
Patent primary examiner
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Terressa Boykin

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