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:
May. 08, 1979
Filed:
Jan. 19, 1978
Applicant:
Inventor:
Theodore M Resnick, Bala Cynwyd, PA (US);
Assignee:
SmithKline Corporation, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
424283 ; 2603 / ;
Abstract
3-Acyl-5-alkyltetrahydro-2,4,6-pyrantriones are prepared by catalytic hydrogenation of their 3,5-diacyl congeners. They have been found to have anti-allergic activity useful for treating the symptoms of asthma.
Resnick, Theodore. (1979). 3-acyl-5-alkyl-2h-pyran-2,4,6-(3h,5h)-triones and their 4-hydroxy (U.S. Patent No. 4153720). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4153720
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile