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:
Sep. 27, 1977
Filed:
Oct. 15, 1976
Applicant:
Inventors:
Vittorio Ambrogi, Bresso, Milan, IT;
Willy Logemann, Milan, IT;
Marc'Antonio Parenti, Milan, IT;
Raffaele Tommasini, Milan,, IT;
Assignee:
Carlo Erba, S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
424250 ; 2602 / ;
Abstract
Compounds of the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 are hydrogen, C.sub.1-6 alkyl or alkoxy, at least one of R.sup.1, R.sup.2 and R.sup.3 is other than hydrogen, R.sup.4 is carboxy, carbalkoxy or a carboxamide group, or a pharmaceutically acceptable salt when R.sup.4 is carboxy are disclosed.
Quick Actions:
Ambrogi, Vittorio. (1977). Pyrazine 4-oxide derivatives and process for their preparation (U.S. Patent No. 4051245). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4051245
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile