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:
Aug. 08, 2023
Filed:
Apr. 01, 2020
Shin-etsu Chemical Co., Ltd., Tokyo, JP;
Shogo Warashina, Niigata, JP;
Yasuyuki Hirama, Niigata, JP;
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Abstract
There are provided an enteric coating composition having an excellent film-forming property, being capable of forming a film at a lower temperature than conventional compositions, and/or being capable of avoiding decomposition of a drug due to a high temperature and operational troubles due to or nozzle clogging; and others. More specifically, there are provided an enteric coating composition containing hypromellose acetate succinate having a molar substitution of hydroxypropoxy groups of 0.40 or more, and water; a method for producing a solid preparation including steps of coating a drug-containing core with the enteric coating composition to obtain a coating layer, and drying the coating layer; and a solid preparation containing a drug-containing core, and a coating layer directly or indirectly on the core, the coating layer containing a hypromellose acetate succinate having a molar substitution of hydroxypropoxy groups of 0.40 or more.