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:
Feb. 11, 2025
Filed:
Jun. 16, 2023
Applicant:
Mitsui Chemicals, Inc., Tokyo, JP;
Inventors:
Takenori Mitamura, Chiba, JP;
Yoko Kosugi, Ichihara, JP;
Assignee:
MITSUI CHEMICALS, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 4/10 (2006.01); C08F 20/10 (2006.01); C08K 5/00 (2006.01); C08K 5/092 (2006.01); C08K 5/14 (2006.01); C08K 5/3445 (2006.01);
U.S. Cl.
CPC ...
C08K 5/3445 (2013.01); C08F 4/10 (2013.01); C08F 20/10 (2013.01); C08K 5/0025 (2013.01); C08K 5/092 (2013.01); C08K 5/14 (2013.01);
Abstract
Provided is a polymerization initiator, which has an excellent curing rate and is an alternative to a polymerization initiator system using a benzoyl peroxide-aromatic amine compound, a curable composition containing the polymerization initiator, a dental material and dental filler material containing the composition, and a kit for preparing the curable composition. The polymerization initiator contains one or more compounds (A) selected from the group consisting of a pyrazolidinedione compound and/or pyrazolidine(di)thione compound (A1), a salt (A2) of the compound (A1), and a malonate compound (A3).