The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 12, 2026
Filed:
Oct. 01, 2021
Asahi Kasei Kabushiki Kaisha, Tokyo, JP;
Yasufumi Kawai, Tokyo, JP;
ASAHI KASEI KABUSHIKI KAISHA, Tokyo, JP;
Abstract
Provided is a polycarbonate polyol composition including an unmodified polycarbonate polyol having a carbonate structure represented by the following formula (A), and a modified polycarbonate polyol having a carbonate structure represented by the following formula (A) and a urethane structure represented by the following formula (B), wherein 90% by mol or more of the total quantity of terminal groups of all the compounds in the composition is hydroxy groups, and the number of functional groups calculated according to the following expression (II) is 2.00 to 10.00:The number of functional groups=Mn×OHV/56.11/1000 (II)
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