Research/Patents/US 4898783
US 4898783

SOUND AND THERMAL INSULATION

Assignee

DOW CHEMICAL COMPANY, THE, A CORP. OF DE.

Filed

Oct 13, 1987

Granted

Feb 6, 1990

Location

LAKE JACKSON TX US

Abstract

A thermal insulating and/or sound absorbing structure comprising a batting of resilient, elongatable, non-flammable non-linear carbonaceous fibers, said fibers having a reversible deflection ratio of greater than 1.2:1, an aspect ratio greater than 10:1 and an LOI value greater than 40.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Jul 26, 1988

Rescinded

Sep 30, 1988

Duration

2 months

Inventor

  • 1FRANCIS P. MC CULLOUGH

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