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. 08, 1977
Filed:
Mar. 28, 1975
Applicant:
Inventors:
Yasuho Nishii, Tokyo, JA;
Shun-ichi Hata, Tokyo, JA;
Kiyoshige Wakabayashi, Tokyo, JA;
Koji Mizuno, Tokyo, JA;
Akio Yoshida, Tokyo, JA;
Minoru Shindo, Tokyo, JA;
Assignee:
Chugai Seiyaku Kabushiki Kaisha, Tokyo, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602 / ; 424250 ;
Abstract
Phthalazine derivatives represented by the formula ##STR1## and salts thereof which are useful for a luminescence immuno assay, or a process for preparing the same are disclosed.