Water based liquid foam extinguishing formulation

US6814880B1 · kind B1 · utility

Assignee

• Cognis Deutschland GmbH & Co. KG · DE

Inventors

• Robert Graf · Babenhausen, DE
• Stefan Keipl · Bellenberg, DE

Key dates

• Filing date: Feb 25, 1999
• Grant date: Nov 9, 2004
• Expiry date: Feb 25, 2019

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A62D1/0057
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

A liquid foam extinguishing formulation comprising a water soluble ammonium salt, a film-forming amphoteric fluorine surfactant, a foam-forming amphoteric co-surfactant, and a frostproofing agent, wherein the formulation is a stable, storable, ready to use, and frostproof single solution.