C.sub.3 to C.sub.5 polyfluorcalkanes propellants

US5624970A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Claus-Dieter Sommerfeld · Pittsburgh, US
• Wilhelm Lamberts · Cologne, DE
• Dietmar Bielefeldt · Ratingen, DE
• Albrecht Marhold · Leverkusen, DE
• Michael Negele · Cologne, DE

Key dates

• Filing date: Jan 26, 1996
• Grant date: Apr 29, 1997
• Expiry date: Jan 26, 2016

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S521/902
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Polyfluoroalkanes are used as propellants in sprayable compositions or in the preparation of plastic foams and in the electrical industry as cleansing and degreasing agents.