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. 11, 1996
Filed:
Sep. 26, 1994
Applicant:
Inventors:
Hidetsugu Takagaki, Chiba, JP;
Masayoshi Abe, Chiba, JP;
Yasuo Aoki, Chiba, JP;
Yoshiyuki Sano, Chiba, JP;
Mitsuru Sakai, Chiba, JP;
Nobuyuki Kimura, Chiba, JP;
Assignee:
Dainippon Ink and Chemicals, Inc., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
514 27 ; 514 25 ; 514826 ; 514829 ; 514885 ; 514455 ; 514457 ; 536-11 ; 536-41 ; 536 181 ;
Abstract
There are provided novel compounds of the formulae I and II: ##STR1## and their physiologically acceptable salts. The compounds according to the present invention and their physiologically acceptable salts exhibit an antiallergic activity and are useful for treating allergic diseases.