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:
Oct. 24, 2017
Filed:
Apr. 24, 2012
Hiroshi Shiratani, Osaka, JP;
Masahito Sekiguchi, Osaka, JP;
Yasuo Uekita, Osaka, JP;
SUMITOMO CHEMICAL COMPANY, LIMITED, Chuo-ku, Tokyo, JP;
Abstract
A process for producing particles, the process including pulverizing particles of a compound represented by formula (I) with a median diameter (50% D) of over 100 μm by using a pulverizer in the presence of at least one member selected from the group consisting of silica, talc and clay, to obtain particles of the compound represented by formula (I) with a median diameter (50% D) of 100 μm or less, in formula (I), Rand Reach independently represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, or alternatively, Rand Rare inked to each other to form a ring together with the nitrogen atom to which they are bound, m represents an integer of 2 to 9, Mrepresents Hor an n-valent metal ion, and n represents an integer of 1 or 2.