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:
Jul. 18, 1978
Filed:
Mar. 24, 1977
Applicant:
Inventors:
Johannes Keck, Biberach, Riss, DE;
Klaus-Reinhold Noll, Warthausen-Oberhofen, DE;
Helmut Pieper, Biberach, Riss, DE;
Gerd Kruger, Biberach, Riss, DE;
Sigfrid Puschmann, Biberach, Riss, DE;
Assignee:
Boehringer Ingelheim GmbH, Ingelheim am Rhein, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
424330 ; 2602 / ; 424324 ; 544106 ; 2602 / ; 544107 ; 544121 ; 560 19 ; 26029353 ; 544402 ; 26029377 ; 42424856 ; 42424853 ; 26029379 ; 2603264 ; 2602433 ; 2603 / ; 26032685 ; 2604 / ; 2604 / ; 2605011 ; 2605 / ; 2605 / ; 260519 ; 2605 / ; 2605 / ; 2605 / ; 2605 / ; 2605 / ; 2605 / ; 2605 / ; 424244 ; 424253 ; 42424854 ; 424250 ; 42424855 ; 424253 ; 424267 ; 544398 ; 544399 ; 424274 ; 544400 ; 544401 ; 424304 ; 544372 ; 544360 ; 424310 ; 424316 ;
Abstract
Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen or aliphatic or aromatic carboxylic acyl,