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:
Jan. 15, 1991
Filed:
Feb. 20, 1990
Applicant:
Inventors:
Shigenobu Nakayama, Mihara, JP;
Fumiaki Ikeda, Mobara, JP;
Assignee:
Mitsui Toatsu Chemicals, Incorporated, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
514533 ;
Abstract
A pharmaceutical composition for the treatment of regressive disorders of the central nervous system treatable by inducing the production and secretion of nerve growth factor, containing as an active ingredient a catechol derivative of the formula ##STR1## where R.sub.6 is a lower alkyl group having 2 to 5 carbon atoms. The catechol derivatives provide preventative and remedial effects for regressive disorders in the central nervous system including senile dementia of the alzheimer type.