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. 02, 2019
Filed:
Mar. 30, 2016
Adeka Corporation, Tokyo, JP;
Takashi Ayabe, Saitama, JP;
Takashi Usui, Saitama, JP;
ADEKA CORPORATION, Tokyo, JP;
Abstract
Provided are: a photostabilizer masterbatch in which the problems of the occurrence of blocking over time due to the effect of temperature fluctuations in the environment and the difficulty in handling due to the resulting solidification in aggregates are overcome; and a method of producing the same. The photostabilizer masterbatch is obtained by adding and mixing 80 to 300 parts by mass of (B) a hindered amine compound represented by the following Formula (1) with respect to 100 parts by mass of (A) a silica produced by a wet process and subsequently further adding and mixing 5 to 50 parts by mass of (C) a silica produced by a dry process: