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. 10, 2025
Filed:
Jun. 18, 2021
Nissan Chemical Corporation, Tokyo, JP;
Yoshiomi Hiroi, Funabashi, JP;
Hiroyuki Nakajima, Shiraoka, JP;
Taito Nishino, Shiraoka, JP;
Miya Hiroi, Funabashi, JP;
Yuki Ueda, Funabashi, JP;
NISSAN CHEMICAL CORPORATION, Tokyo, JP;
Abstract
The invention provides a composition for forming a coating film containing a phosphoric acid group-containing polymer capable of forming a film on a substrate by a simple process and capable of maintaining film properties under a solvent environment containing water, and a coating film which is a cured product of the composition. In particular, the composition for forming a coating film contains (a) a polymer (P) containing a hydroxyl group, and the hydroxyl group is derived only from a phosphoric acid group, (b) a polycarbodiimide (C) containing a structure represented by the following formula (c-1):—N═C═N— (c-1),and (c) a solvent.