Patent · US Expired

N-(5-thioxo-L-prolyl)-L-cysteine, derivatives thereof, processes for the preparation thereof and pharmaceutical compositions containing them

US5254579A · kind A · utility

6Cited by

0References

15Claims

0Family size

Assignee

Poli Industria Chimica SpA · IT

Inventors

Stefano Poli · Quinto de' Stampi, IT
Germano Coppi · Romano Banco, IT
Giovanni Signorelli · Milano, IT

Key dates

Filing date	May 8, 1992
Grant date	Oct 19, 1993
Priority date	—
Expiry date	May 8, 2012

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K38/00
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

N-(5-thioxo-L-prolyl)-L-cysteine and derivatives thereof, having interesting mucolytic-expectorant, antioxidant (radical-scavenger), antielastase, antiemphysema, immunostimulating and hepatoprotective activities and a low toxicity are described, as well as processes for the preparation thereof and pharmaceutical formulations for the use in therapy.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.