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:
Aug. 03, 1993
Filed:
Apr. 22, 1991
Applicant:
Inventors:
Nobuyuki Fukazawa, Yokohama, JP;
Kengo Otsuka, Kamakura, JP;
Shimada Shizuo, Mobara, JP;
Yukio Miyama, Chiba, JP;
Fumiaki Ikeda, Mobara, JP;
Tatsuo Kaiho, Chiba, JP;
Assignee:
Mitsui Toatsu Chemicals, Incorporated, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
5142375 ; 514255 ; 514330 ; 514423 ; 544171 ; 544173 ; 544386 ; 546226 ; 548540 ;
Abstract
Catechol derivatives which produce nerve growth factor in particular tissues of the brain are disclosed. These derivatives provide preventive and therapeutic effects for regressive disorders of the central nervous system including senile dementia of the Alzheimer type.