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. 15, 2024
Filed:
Oct. 04, 2019
Fuji Chemical Industries Co., Ltd., Nakaniikawa-gun, JP;
Koji Hoda, Nakaniikawa-gun, JP;
Hiroshi Kawaguchi, Nakaniikawa-gun, JP;
Teppei Shibata, Nakaniikawa-gun, JP;
Tadashi Fukami, Nakaniikawa-gun, JP;
Tadashi Yoshigai, Nakaniikawa-gun, JP;
Tatsuki Ueno, Nakaniikawa-gun, JP;
Yo Nakashima, Nakaniikawa-gun, JP;
Tetsuya Oonuki, Nakaniikawa-gun, JP;
Hitoshi Sakai, Nakaniikawa-gun, JP;
FUJI CHEMICAL INDUSTRIES CO., LTD., Nakaniikawa-gun, JP;
Abstract
A silica that is superior in terms of fluidity, oil absorption ability, and compression moldability to conventional silica used as a pharmaceutical additive, and is suitable as an additive for formulations such as pharmaceuticals. A porous silica particle composition having the following properties: (1) a BET specific surface area from 250 to 1,000 m/g; (2) an average particle diameter from 1 to 150 μm; (3) a pore volume from 0.1 to 8.0 cm/g; and (4) an oil absorption capacity from 2.2 to 5.0 mL/g.