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:
Apr. 12, 1988
Filed:
Jul. 11, 1986
Christian Klein, Weilheim, DE;
Herbert Von Der Eltz, Weilheim, DE;
Rupert Herrmann, Weilheim, DE;
Martina Junius, Bernried, DE;
Boehringer Mannheim GmbH, Mannheim, DE;
Abstract
The present invention provides N-acylidihydroresorufin derivatives of the general formula: ##STR1## wherein R.sup.1 is a lower alkyl, aryl or aralkyl radical, which can be substituted by carboxyl or sulphonic acid residues, R.sup.2, R.sup.3 and R.sup.4, which can be the same or different, are hydrogen or halogen atoms or lower alkyl or lower alkoxy radicals, Y is an --NR.sup.5 R.sup.6 or --OR.sup.7 group, wherein R.sup.5 and R.sup.6 are, in each case, hydrogen atoms or lower alkyl radicals, which can be substituted by carboxyl or sulphonic acid residues, or together represent a hydrocarbon bridge optionally interrupted by hereto atoms and R.sup.7 is a lower alkyl radical which can be substituted by a lower alkoxy or poly-lower alkoxy radical.