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:
Sep. 30, 1997
Filed:
Jul. 20, 1993
Applicant:
Inventors:
Assignee:
Kureha Chemical Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07K / ; C07K / ;
U.S. Cl.
CPC ...
5303917 ; 5303871 ; 5303911 ; 530861 ; 530866 ;
Abstract
A composition comprising as an active ingredient a compound consisting of an immunoglobulin F.sub.c fragment and an alkylating, antibiotic, or antimetabolic antitumor substance bound thereto, and a pharmaceutically acceptable carrier is disclosed. The Fc fragment moiety in the compound is stable in a living body, and thus the activity of the antitumor substance therein is maintained over a long period.