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:
Nov. 01, 1988
Filed:
Nov. 03, 1986
Donald E Butler, Holland, MI (US);
David M Lustgarten, Ann Arbor, MI (US);
Walter H Moos, Ann Arbor, MI (US);
Anthony J Thomas, Ann Arbor, MI (US);
Warner-Lambert Company, Morris Plains, NJ (US);
Abstract
Certain tetrasubstituted alkyl, aryl, pyridinyl, piperidinyl, and piperazinyl urea compounds stimulate the release of acetylcholine and are thus useful analgesic agents for alleviating pain or as cholinergic agents which are useful for the amelioration of the symptoms of cognitive decline in the elderly. These compounds have the general formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.4 are phenyl or substituted phenyl, and R.sub.3 is pyridinyl. Pharmaceutical compositions including these compounds as well as methods for the preparation of the compounds are also disclosed.