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:
Jun. 30, 2026
Filed:
Sep. 17, 2021
Applicant:
Nof Corporation, Shibuya-ku, JP;
Inventors:
Shota Mori, Ebina, JP;
Masaki Ota, Ota-ku, JP;
Assignee:
NOF CORPORATION, Shibuya-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08G 65/333 (2006.01);
U.S. Cl.
CPC ...
C08G 65/33341 (2013.01);
Abstract
The present invention provides a method for producing a maleimide polyethylene glycol lipid, and the method includes a reaction step of deprotecting a maleimide polyethylene glycol lipid having a protective group by heating the maleimide polyethylene glycol lipid having a protective group in a solvent in the presence of silica gel. According to the present invention, a production method of preventing deterioration of a maleimide group and improving a maleimidation rate can be provided.