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:
Sep. 17, 2024
Filed:
Jun. 10, 2020
Towa Pharmaceutical Co., Ltd., Osaka, JP;
Tatsuya Honjo, Osaka, JP;
Megumi Murahashi, Osaka, JP;
Masaki Sato, Osaka, JP;
Kayo Yuminoki, Osaka, JP;
Isamu Saeki, Osaka, JP;
Yutaka Okuda, Osaka, JP;
TOWA PHARMACEUTICAL CO., LTD., Osaka, JP;
Abstract
Masking particles which comprise a drug-containing particle containing a drug, an acid, and a carbonate, the drug-containing particle being coated with a coating layer containing a water-insoluble polymer sufficiently suppress drug release in the oral cavity and pharynx, rapidly release a drug after swallowing, and easily control the release suppression time of a drug. The acid may be at least one organic acid. The carbonate may be at least one water-soluble carbonate. Oral pharmaceutical compositions include tablets, granules, fine granules, powders.