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:
Mar. 05, 1991
Filed:
Nov. 13, 1989
Applicant:
Inventors:
Takao Izawa, Koga, JP;
Tadashi Fujii, Iwatsuki, JP;
Yukio Chikui, Tokyo, JP;
Kazuo Ohtsuki, Tokyo, JP;
Assignee:
Nippon Kayaku Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07H / ; C07H / ; C07H / ;
U.S. Cl.
CPC ...
536 172 ; 536-41 ; 536 181 ; 536127 ;
Abstract
The present invention provides novel dihydrate crystals of etoposide-2-dimethylamino compound hydrochloride [4'-demethylepipodophillotoxin 9-(4,6-O-ethylidene-2-dimethylamino-2-deoxy-.beta.-D-glucopyranoside hydrochloride] used as a carcinostatic agent and a process for production thereof.