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. 20, 2021
Filed:
Nov. 16, 2018
Shin-etsu Chemical Co., Ltd., Tokyo, JP;
Takuya Yokosawa, Joetsu, JP;
SHIN-ETSU CHEMICAL CO., LTD., Tokyo, JP;
Abstract
A composition which is used for the production of a solid preparation exhibiting a small variation of dissolution even at a low content of hydroxypropyl methyl cellulose (HPMC), and others. More specifically, provided are a composition for a solid preparation, the composition including HPMC having a polydispersity of 4.0 or more, as determined by absolute molecular weight measurement, and having a viscosity at 20° C. of 1,500 to 15,0000 mPa·s, as determined in a 2% by mass aqueous solution thereof, and an active ingredient; the solid preparation including the composition; and a method for producing a tablet including a step of dry-mixing said HPMC with an active ingredient to obtain a mixture, or granulating a mixture including said HPMC and an active ingredient to obtain a granulated product, and a step of tableting the mixture or the granulated product to obtain a tablet.