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. 15, 1977
Filed:
Nov. 24, 1975
Applicant:
Inventors:
Harold Francis Hodson, Hayes, EN;
John Frederick Batchelor, Beckenham, EN;
Assignee:
Burroughs Wellcome Co., Research Triangle Park, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ;
U.S. Cl.
CPC ...
424 46 ; 424 45 ; 424269 ;
Abstract
Fluorenone and anthraquinone compounds substituted by at least one tetrazolyl group in one ring, and further substituted in the other ring, optionally for the fluorenones, have antiallergic activity.