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. 18, 1977
Filed:
Sep. 26, 1975
Applicant:
Inventor:
Richard Merrill Scribner, Wilmington, DE (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2603262 ; 2602 / ; 424274 ; 26032647 ; 26032645 ;
Abstract
Certain 1,5-disubstituted 3-pyrrolidinones and 2,4-pyrrolidindiones have biological properties which resemble those of the natural prostaglandins. Exemplary is 7[N(3-hydroxy-n-octyl)-2,4-dioxopyrrolidin-5-yl] heptanoic acid methyl ester of the formula