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:
Feb. 25, 2003
Filed:
May. 11, 1999
Applicant:
Inventors:
Sakae Obara, Niigata-ken, JP;
Hiroshi Umezawa, Niigata-ken, JP;
Naosuke Maruyama, Niigata-ken, JP;
Fumie Tanno, Niigata-ken, JP;
Assignee:
Shin-Etu Chemical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08B 1/120 ; C08B 1/1193 ; A61K 3/172 ;
U.S. Cl.
CPC ...
C08B 1/120 ; C08B 1/1193 ; A61K 3/172 ;
Abstract
The present invention provides a low-substituted hydroxypropyl cellulose having a loose bulk density of not less than 0.40 g/mL and a tap bulk density of not less than 0.60 g/mL and a process for producing the same.