Sulfonamide derivatives of xanthene compounds

US7745645B2 · kind B2 · utility

Assignee

• Pierce Biotechnology, Inc. · US

Inventors

• Wilhelm Frank · Echterdingen, DE
• Matthias S. Wenzel · Jena, DE
• Peter T. Czerney · Weimar, DE
• Surbhi Desai · Rockford, US
• Greg Hermanson · Loves Park, US

Key dates

• Filing date: Jan 22, 2007
• Grant date: Jun 29, 2010
• Expiry date: Apr 14, 2029

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S436/80
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

Compounds having the general of formula I and/or formula IIwherein R1 and R2 are the same or different and are independently selected from the group consisting of —H, —C1-C18-alkyl or -ω-sulfoalkyl;