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:
Mar. 03, 1981
Filed:
Aug. 13, 1979
Applicant:
Inventors:
Jean A Gauthier, Montreal, CA;
Ivo L Jirkovsky, Montreal, CA;
Assignee:
Ayerst, McKenna & Harrison Inc., Montreal, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
42424855 ; 42424857 ; 544101 ;
Abstract
3-Oxo-5H-pyrimido[2,1-c][1,4]benzoxazine derivatives, optionally substituted with a hydroxymethyl, carboxy or loweer alkoxycarbonyl at position 1 and optionally substituted at positions 8 or 9, with a lowr alkyl or halo are disclosed. The derivatives are antiallergy agents and methods for their preparation and use are given.