Research/Patents/US 5786785
US 5786785

ELECTROMAGNETIC RADIATION ABSORPTIVE COATING COMPOSITION CONTAINING METAL COATED MICROSPHERES

Assignee

CAROLINA SOLVENTS, INC.

Filed

Nov 24, 1986

Granted

Jul 28, 1998

Location

HICKORY NC US

Abstract

A strong lightweight composition containing metal coated microspheres has very broad band absorption properties for electromagnetic radiation and is useful as a thin coating or as a structural composite material in various applications. The microspheres have a diameter of from 1 to 350 microns and contain at least one radiation absorbing material selected from the group consisting of carbon, ferrites, magnetite, iron, nickel and cobalt, and have a thin-coating of metal on the microsphere surface. The metal coating is present at a weight percentage of 0.01 percent to 22 percent.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Jun 15, 1987

Rescinded

Jan 21, 1998

Duration

10 years, 7 months

Inventor

  • 1WAYNE L. GINDRUP

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Back to patent indexSource: USPTO 35 USC §181 secrecy order records