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:
Dec. 25, 1979
Filed:
Jul. 11, 1978
Herbert Scholz, Ludwigshafen, DE;
BASF Aktiengesellschaft, , DE;
Abstract
A process for the manufacture of N-[3,4-dimethylphenyl]-D-ribamine, in which (a) a mixture of 3,4-dimethylaniline and/or 3,4-dimethylnitrobenzene and a D-ribonic acid derivative of the formula ##STR1## where each R' is hydrogen or one of the R's together with R' is a single bond, R' is hydroxyl, R'' --O-- or, together with R', a single bond, and R'' is a hydrocarbon radical of 1 to 10 carbon atoms which may or may not be substituted by hydroxyl groups, or (b) D-ribonic acid 3,4-dimethylanilide is catalytically hydrogenated in an inert solvent at from above 100.degree. C. to 155.degree. C.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile