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:
Oct. 19, 1976
Filed:
Nov. 05, 1974
Gerhart Griss, Biberach an der Riss, DT;
Rudolf Hurnaus, Biberach an der Riss, DT;
Wolfgang Grell, Biberach an der Riss, DT;
Robert Sauter, Laupheim, DT;
Richard Reichl, Ingelheim am Rhein, DT;
Boehringer Ingelheim GmbH, Ingelheim am Rhein, DT;
Abstract
Compounds of the formula ##SPC1## Wherein ##EQU1## where R.sub.1 is hydrogen, straight or branched aliphatic acyl of 1 to 12 carbon atoms, methoxy-substituted straight or branched aliphatic acyl of 1 to 12 carbon atoms, benzoyl, halo-benzoyl, carbalkoxy of 2 to 7 carbon atoms, carbcycloalkoxy of 4 to 7 carbon atoms, benzyl, methylbenzyl, phenylsulfonyl, halo-phenylsulfonyl, tolylsulfonyl, alkenyl of 2 to 6 carbon atoms, phenyl, trifluoroacetyl, amidino, amido, thioamido, phenoxycarbonyl, benzyloxycarbonyl, methylsulfonyl or