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:
Aug. 02, 2022
Filed:
Aug. 16, 2019
Showa Denko K.k., Tokyo, JP;
Norihito Nishimura, Kawasaki, JP;
Katsutoshi Ohno, Aizuwakamatsu, JP;
SHOWA DENKO K.K., Tokyo, JP;
Abstract
The invention relates to a composition excellent in stability during storage and stability during utilization, and relates to a method of producing the composition. The composition includes a compound (A) represented by general formula (1) and a compound (B) represented by general formula (2), and includes 0.00002 to 0.2 parts by mass of the compound (B) with respect to 100 parts by mass of the compound (A),(R—COO)—R—(NCO)  (1)(R—COO)—R—(R—R)  (2)wherein in general formulae (1) and (2), Ris an ethylenically unsaturated group having 2 to 7 carbon atoms; Ris a (m+n)-valent hydrocarbon group having 1 to 7 carbon atoms and optionally contains an ether group; Rand Rin the general formula (1) are the same as Rand Rin the general formula (2); in general formula (2), Ris —NHC(═O)—; and n and m each represent an integer of one or two.