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:
Jan. 15, 1980
Filed:
Jul. 24, 1978
Applicant:
Inventors:
Gianfederico Doria, Milan, IT;
Ciriaco Romeo, Serino, IT;
Francesco Lauria, Milan, IT;
Maria L Corno, Milan, IT;
Piernicola Giraldi, Milan, IT;
Marcello Tibolla, Canale d'Agordo, IT;
Assignee:
Carlo Erba S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
424283 ; 546340 ; 2603452 ; 424263 ; 542441 ;
Abstract
Substituted 2-vinyl-chromones are disclosed, wherein the chromone ring has an alkyl or alkenyl substituent at the 3-position, and a styryl substituent at the 2-position. The compounds exhibit anti-allergy activity and can be used to treat allergic conditions.