Fire extinguishant materials

US4406797A · kind A · utility

Assignee

• The United States of America as represented by the Administrator of the National Aeronautics and Space Administration · US

Inventors

• Robert L. Altman · Berkeley, US
• Ludwig Mayer · San Jose, US
• Alan C. Ling · San Jose, US

Key dates

• Filing date: Nov 3, 1981
• Grant date: Sep 27, 1983
• Expiry date: Nov 3, 2001

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A62D1/0014
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

Fire extinguishant composition comprising a mixture of a finely divided aluminum compound and alkali metal, stannous or plumbous halide. Aluminum compound may be aluminum hydroxide, alumina or boehmite but preferably it is an alkali metal dawsonite. The metal halide may be an alkali metal, e.g. potassium iodide, bromide or chloride or stannous or plumbous iodide, bromide or chloride. Potassium iodide is preferred.