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:
May. 25, 1993
Filed:
Dec. 03, 1991
Applicant:
Inventors:
Shigenobu Nakayama, Mihara, JP;
Fumiaki Ikeda, Takashi, JP;
Assignee:
Mitsui Toatsu Chemicals, Incorporated, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ;
U.S. Cl.
CPC ...
514159 ; 514533 ;
Abstract
Catechol derivatives which relate to the production of nerve growth factor in particular tissues of brain are disclosed. Methods for the synthesis, data on the physiological activity, and data on the toxicity of these derivatives as well as examples of preparation for their administration are also disclosed. The disclosed derivatives provide preventive and remedial effect for regressive disorders in the central nervous system including senile dementia of Alzheimer type.