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:
Nov. 09, 2021
Filed:
Aug. 14, 2020
Applicant:
Shin-etsu Chemical Co., Ltd., Tokyo, JP;
Inventors:
Tsubasa Oguro, Niigata, JP;
Yasuyuki Hirama, Niigata, JP;
Assignee:
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 9/20 (2006.01);
U.S. Cl.
CPC ...
A61K 9/2054 (2013.01); A61K 9/2072 (2013.01); A61K 9/2095 (2013.01);
Abstract
There is provided low-substituted hydroxypropyl cellulose (L-HPC) having good bindability, anti-capping performance and disintegratability. More specifically, there are provided L-HPC having a hydroxypropoxy group content of 5 to 16% by mass and a volume fraction of long fibrous particles of more than 50.0% relative to all of L-HPC particles which are classified, on a basis of dynamic image analysis, into fine particles, spherical particles, the long fibrous particles and short fibrous particles; and a solid preparation containing the L-HPC.