logo

For the Inventor, By the Inventor

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.:

US 4115401 B1

PDFFull Text
Date of Patent:
Sep. 19, 1978

Filed:

Mar. 31, 1977

Prostaglandin derivatives and process for preparing the same

Applicant:
Inventors:

Souli Nanthavong, Grenoble, FR;

Charles Pigerol, Saint-Quen, FR;

Pierre Eymard, Fontaine, FR;

Jacques Simiand, Noyarey, FR;

Assignee:

Labaz, Paris, FR;

Attorney:

Mason, Kolehmainen, Rathburn & Wyss

Primary Examiner:

Donald G Daus

Assistant Examiner:

Lisa Jones

Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
26032643 ; 260961 ; 424274 ;
Abstract

Prostaglandin derivatives corresponding to the general formula: ##STR1## wherein R.sub.1 represents hydrogen, methyl or ethyl, R.sub.2, R.sub.3 and R.sub.4, which are the same or different, each represent hydrogen or methyl and R is selected from the groups consisting of: ##STR2## in which R.sub.5 represents hydrogen, methyl or ethyl, R.sub.6 represents methyl, ethyl or acetyl and R.sub.7 and R.sub.8, when they are different, each represent hydrogen or a branched- or straight-chain alkyl group having from 1 to 7 carbon atoms or R.sub.7 and R.sub.8, when they are identical, each represent hydrogen or a straight-chain alkyl group having from 1 to 3 carbon atoms with the provisos that:

Find Patent Forward Citations

Nanthavong, Souli. (1978). Prostaglandin derivatives and process for preparing the same (U.S. Patent No. 4115401). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4115401

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…