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:
Jun. 07, 1988
Filed:
May. 04, 1984
Dieter Berger, Viernheim, DE;
Gunter Frey, Ellerstadt, DE;
Wolfgang-Reinhold Knappe, Burstadt, DE;
Manfred Kuhr, Mannheim, DE;
Walter Rittersdorf, Mannheim, DE;
Wolfgang Werner, Mannheim, DE;
Boehringer Mannheim GmbH, Mannheim, DE;
Abstract
Esters and agents including the esters, useful as substrates for esterolytic and/or proteolytic enzymes, said esters being compounds of the general formula: ##STR1## in which R'.sub.1, R'.sub.2, R'.sub.3 and R'.sub.4, which may be the same or different, are hydrogen atoms or lower alkyl, lower alkoxy, alkylamino or dialkylamino radicals or in which two adjacent substituents can also represent a fused benzene ring, A is a residue of an amino acid or of a peptide and B is a nitrogen protective group conventional in peptide chemistry or derived therefrom and the method of preparation and use.