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:
Jun. 09, 1987
Filed:
Aug. 29, 1985
Applicant:
Inventors:
Toshiyuki Hamaoka, Nara-shi, Nara, JP;
Hiromi Fujiwara, Hyogo, JP;
Tsuneo Kusama, Tokyo, JP;
Masahiro Komiya, Tokyo, JP;
Assignees:
Other;
Daiichi Seiyaku Co., Ltd., both of, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ;
U.S. Cl.
CPC ...
530331 ; 536 53 ;
Abstract
Muramylpeptide active ester derivatives represented by the formula: ##STR1## wherein R.sub.1 represents a hydrogen atom or a fatty acid residue having from 2 to 10 carbon atoms; --COR.sub.2 represents an active ester group; R.sub.3 represents a fatty acid residue having from 1 to 10 carbon atoms; X represents an alanine, N-methylalanine or valine residue; 'Acyl' represents a fatty acid residue having from 2 to 6 carbon atoms; and n represents an integer of from 1 to 6. These compounds are applicable as haptens for the immunotherapy and exhibit antitumor activity.