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:
Apr. 07, 1981
Filed:
Apr. 25, 1979
Applicant:
Inventors:
Valentino J Stella, Lawrence, KS (US);
Kenneth B Sloan, Eudora, KS (US);
Assignee:
INTERx Research Corporation, Lawrence, KS (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
548112 ;
Abstract
Novel 5,5-diphenylhydantoins useful as anticonvulsants, antiepileptics and antiarrhythmics have the structural formula: ##STR1## wherein each R is hydrogen or --CH(R.sub.1)--X--P(O)(OH).sub.2, R.sub.1 is hydrogen or C.sub.1 -C.sub.7 straight or branched chain alkyl, and X is O or S, with the proviso that both R's cannot simultaneously be hydrogen.