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:
Oct. 04, 1977
Filed:
May. 06, 1975
Applicant:
Inventors:
Barbara Joyce Broughton, Croydon, EN;
Bryan John Large, Ilkley, EN;
Stuart Malcolm Marshall, Stanford-le-Hope, EN;
David Lord Pain, Upminster, EN;
Kenneth Robert Wooldridge, Brentwood, EN;
Assignee:
May & Baker Limited, , EN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
544118 ; 2602 / ; 424 45 ; 4242485 ; 424251 ; 424253 ; 42424852 ;
Abstract
8-Azapurin-6-ones substituted in the 2-position by a phenyl group carrying in a meta-position a sulphamoyl substituent, and also a hydroxy, alkoxy or alkylthio substituent para with respect to the said sulphamoyl grouping, and pharmaceutically acceptable salts thereof, possess pharmacological properties useful in the treatment of allergic respiratory disorders, for example allergic bronchial asthma.