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. 30, 1979
Filed:
Aug. 04, 1978
Harold E Zaugg, Lake Forest, IL (US);
Cheuk M Lee, Libertyville, IL (US);
Abbott Laboratories, North Chicago, IL (US);
Abstract
A compound of the formula ##STR1## wherein R.sub.1 is H or loweralkyl; R.sub.2 is H, loweralkyl, phenyl or substituted phenyl; R is C.sub.3 -C.sub.20 alkyl, phenyl alkyl or substituted phenyl alkyl; R.sub.3 is H or ##STR2## where X is a straight or branched chain alkylene group of 3 to 4 carbon atoms, and R.sub.4 and R.sub.5 are the same or different members of the group consisting of H or loweralkyl; or R.sub.4 and R.sub.5 taken together form a 6- or 6- member heterocyclic ring and containing no more than one additional heterocyclic atom, with or without .alpha.-loweralkyl substituents, and the acid addition salts thereof. The compounds of this invention are useful as analgesics, tranquilizers, sedative-hypnotics and anti-glaucoma agents.