The Dow Chemical Company

Marvin E Winquist

Thomas M Knobel

Arthur E Gurgiolo

Dale C Teeters

An electromagnetic shielded body comprising laminating or adhering to the surface of the body or incorporating as an internal lamina of a multiple laminar body a layer of film or powder of an electroconductive material which consists of a dehydrohalogenated haloorganic polymer or copolymeric material prepared by dehydrohalogenating said haloorganic polymeric material in the presence of at least one-half mole of a liquid or solution of an amine per mole of halogen moiety in said polymeric material at from 15.degree. C. to about 250.degree. C. for from about 2 minutes to about 14 days.

Electromagnetic shielded body

An electromagnetic shielded body comprising laminating or adhering to the surface of the body or incorporating as an internal lamina of a multiple laminar body a layer of film or powder of an electroconductive material which consists of a dehydrohalogenated haloorganic polymer or copolymeric material prepared by dehydrohalogenating said haloorganic polymeric material in the presence of at least one-half mole of a liquid or solution of an amine per mole of halogen moiety in said polymeric material at from 15.degree. C. to about 205.degree. C. for from about 2 minutes to about 14 days.

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Lake Jackson, TX, United States of America

Marvin E Winquist