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. 22, 1980
Filed:
May. 19, 1978
Gunther Schmidt, Biberach an der Riss, DE;
Matyas Leitold, Biberach an der Riss, DE;
Boehringer Ingelheim GmbH, Ingelheim am Rhein, DE;
Abstract
Compounds of the formula ##STR1## wherein R.sub.1 is alkyl of 3 to 12 carbon atoms; unsaturated aliphatic hydrocarbyl of 3 to 20 carbon atoms comprising 1 to 3 double bonds and/or one triple bond; phenyl(alkyl of 2 to 4 carbon atoms); methylenedioxybenzyl; chlorobenzyl; indan-5-ylmethyl; indan-3-ylmethyl; phenyl(alkenyl of 2 to 4 carbon atoms); cycloalkyl of 5 to 7 carbon atoms; (cycloalkyl of 3 to 10 carbon atoms)methyl; (methylcycloalkyl of 4 to 11 carbon atoms)methyl; morpholino(alkyl of 2 to 3 carbon atoms); pyrrolidino(alkyl of 2 to 3 carbon atoms); piperidino (alkyl of 2 to 3 carbon atoms); 4-methylpiperazino(alkyl of 2 to 3 carbon atoms); or, when R.sub.3 and/or R.sub.4 are methyl or ethyl, also methyl or ethyl;