Filter and method of forming

US5372380A · kind A · utility

Assignee

• Ultramet · US

Inventors

• Andrew J. Duffy · La Cañada Flintridge, US
• Richard B. Kaplan · West Hollywood, US
• Stanley A. Racik · West Hollywood, US
• Edwin P. Stankiewicz · Calabasas, US
• Robert H. Tuffias · Los Angeles, US
• Brian E. Williams · Struthers, US

Key dates

• Filing date: May 20, 1993
• Grant date: Dec 13, 1994
• Expiry date: May 20, 2013

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S55/42
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

An airbag assembly including an inflatable airbag, an ignitable propellant charge for generating inflating gas and a filter between the interior of the airbag and the propellant charge. The filter comprising a porous carbon foam substrate coated substantially throughout with a thermally and structurally stable material which has been formed in situ by chemical vapor deposition techniques.