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:
Apr. 11, 2023
Filed:
Nov. 25, 2020
Dow Silicones Corporation, Midland, MI (US);
Gyuyoung Lee, Chungcheongbuk-do, KR;
Juyoung Yook, Chungcheongbuk-do, KR;
DOW SILICONES CORPORATION, Midland, MI (US);
Abstract
A photocurable silicone composition is disclosed. The composition comprises at least one photochromic pigment. The at least one photochromic pigment is selected from the group consisting of 4,4',4″-methylidynetris(N,N-dimethylaniline), 3,3-bis(p-dimethylaminophenyl)-6-dimethylaminophthalide, 4-4′-benzylidenebis(N,N-dimethylaniline), 2-[(2,4-dinitrophenyl)methyl] pyridine, and combinations thereof. The at least one photochromic pigment is present in an amount of from about 0.001 to about 0.05 mass % of a total amount of the composition. The composition can indicate a cure point thereof by coloring.