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. 25, 1986
Filed:
Dec. 11, 1984
Anna M Lazzarini, Seregno, IT;
Ugo Scarponi, Arese, IT;
Roberto de Castiglione, Milan, IT;
Roberto Ceserani, Milan, IT;
Renato Castello, Milan, IT;
Fabrizio Vaghi, Villaguardia, IT;
Daniela Toti, Bettola, IT;
Farmitalia Carlo Erba, Milan, IT;
Abstract
A compound of formula I: ##STR1## wherein either (i) each of R.sub.1 and R.sub.2 independently represents a hydrogen atom or an organic group, or (ii) R.sub.1 and R.sub.2 linked together form a heterocyclic ring or (iii) R.sub.2 is hydrogen and R.sub.1 is ##STR2## wherein each of R.sub.6 and R.sub.7 independently represents hydrogen or an organic group, n is 0-3, X is O, S, NH, NR.sub.8, CHNO.sub.2 or CHSO.sub.2 R.sub.4, wherein R.sub.8 and R.sub.4 are organic groups and R.sub.3 represents an organic group. The compound of formula I is effective as an anti-ulcer agent and is highly effective as a histamine H.sub.2 -receptor antagonist.