Methods of using azo dyes and their derivatives

US5468469A · kind A · utility

Assignee

• The United States of America, as represented by the Department of Health and Human Services · US

Inventors

• Adorjan Aszalos · Princeton, US
• James Weaver · Corvallis, US
• P. Scott Pine · Rockville, US

Key dates

• Filing date: Feb 28, 1994
• Grant date: Nov 21, 1995
• Expiry date: Feb 28, 2014

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K31/655
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Pharmaceutical compositions containing the azo dyes Direct Orange 26, Direct Red 23, Direct Red 24, Direct Red 26, and similar dyes, as well as the use of such azo dyes to inhibit the binding of a virus to the CD4 glycoprotein, in detecting or quantitating CD4-positive T4 lymphocytes, and in the protection against or treatment of viral infections.