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:
Jul. 15, 2025
Filed:
Jun. 19, 2020
Daicel Corporation, Osaka, JP;
Shintarou Hatanaka, Tokyo, JP;
Takashi Konno, Tokyo, JP;
DAICEL CORPORATION, Osaka, JP;
Abstract
Provided is a novel polycarbonate polyol derivative having a terminal amino group. The polycarbonate polyol derivative of the present disclosure is represented by Formula (1) below. In Formula (1), A denotes a group having a polycarbonate skeleton, and n and m are average values and are numbers satisfying n≥2 and n−m>0. The group A in Formula (1) is a group in which all hydroxyl groups are removed from the structural formula of a polycarbonate polyol having a number average molecular weight from 300 to 10000, and preferably includes a group having a repeating unit represented by Formula (a) below.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile