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. 09, 1991
Filed:
Dec. 19, 1989
Roger Joyeau, Paris, FR;
Randa Kobaiter, Paris, FR;
Michel Wakselman, Paris, FR;
Michele Reboud, Paris, FR;
Scientifique, Paris, FR;
Abstract
The invention relates to N-aryl-azetidinones, their preparation process and their use as active serine elastase inhibitors. The N-aryl-azetidinones are in accordance with formula: ##STR1## in which R.sup.1 and R.sup.2 can be a halogen atom or an organic radical, R.sup.3 represents a halogen atom or another good starting group and R.sup.4 represents H or an organic radical. The compounds with R.sup.3 .dbd.Cl or OSO.sub.2 CH.sub.3, R.sup.4 .dbd.H and R.sup.1 .dbd.R.sup.2 .dbd.F or R.sup.1 .dbd.F and R.sup.2 .dbd.Br are irreversible and selective elastase inhibitors.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile