Microwave-attenuating composite materials, methods for preparing the same, intermediates for preparing the same, devices containing the same, methods of preparing such a device, and methods of attenuating microwaves

US7125476B2 · kind B2 · utility

Assignee

• United States of America as represented by the Secretary of the Air Force · US

Inventors

• Paul E. Schoen · Alexandria, US
• Ronald R. Price · Stevensville, US
• Joel M. Schnur · Burke, US
• Daniel Zabetakis · Brandywine, US
• Robert F. Brady, Jr. · Gaithersburg, US
• Ann Mera · Huntingtown, US
• Dana Leamann · Frederick, US
• Bor-Sen Chiou · College Park, US
• Walter J. Dressick · Fort Washington, US

Key dates

• Filing date: Jan 30, 2003
• Grant date: Oct 24, 2006
• Expiry date: Jul 24, 2023

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/269
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention provides microwave attenuating, filled composite materials which contain a polymer or ceramic matrix and metallic tubules and processes for making the same and devices which contain such materials.