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. 15, 1982
Filed:
Jul. 12, 1979
Hamao Umezawa, Tokyo, JP;
Tomio Takeuchi, Tokyo, JP;
Takaaki Aoyagi, Fujisawa, JP;
Masaaki Ishizuka, Tokyo, JP;
Hajime Morishima, Tokyo, JP;
Takuzo Yamamoto, Tokyo, JP;
Junji Yoshizawa, Tokyo, JP;
Masaaki Hosoi, Kawasaki, JP;
Ikuo Matsumoto, Tokyo, JP;
Banyu Pharmaceutical Co., Ltd., Tokyo, JP;
Abstract
A new compound is produced which has the general formula: ##STR1## wherein R represents hydrogen atom or a lower alkyl group and which exhibits an immunopotentiating activity. This new compound as well as its pharmaceutically acceptable salts and hydrates are useful for immunotherapy and treatment of immune diseases and disorders in living animals including human beings. The new compound can be produced by reduction of a hydroxyterephthalic acid alkyl ester or by esterification of the corresponding 3-hydroxy-4-(hydroxymethyl)-benzoic acid.