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. 07, 2026
Filed:
Feb. 13, 2023
Applicants:
Tokyo Institute of Technology, Tokyo, JP;
Nof Corporation, Tokyo, JP;
Inventors:
Assignees:
TOKYO INSTITUTE OF TECHNOLOGY, Tokyo, JP;
NOF CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 65/333 (2006.01); A61K 47/60 (2017.01); A61K 47/68 (2017.01); C07C 217/28 (2006.01); C07C 233/18 (2006.01); C07C 271/16 (2006.01); C07D 207/46 (2006.01); C07D 317/10 (2006.01); C07D 317/30 (2006.01); C07D 403/12 (2006.01); C08G 65/26 (2006.01); C08G 65/329 (2006.01); C07C 247/04 (2006.01);
U.S. Cl.
CPC ...
C08G 65/33396 (2013.01); A61K 47/60 (2017.08); A61K 47/68 (2017.08); C07C 217/28 (2013.01); C07C 233/18 (2013.01); C07C 271/16 (2013.01); C07D 207/46 (2013.01); C07D 317/10 (2013.01); C07D 317/30 (2013.01); C07D 403/12 (2013.01); C08G 65/2603 (2013.01); C08G 65/329 (2013.01); A61K 47/6883 (2017.08); C07C 247/04 (2013.01); Y02P 20/55 (2015.11);
Abstract
An intermediate for production of a branched type hetero monodispersed polyethylene glycol which is represented by formula (2), the intermediate being represented by formula (3) or (40): where X, L, L, Y, Y, and n are as defined herein.