Blowing agents of the tetrazoles and their derivatives
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United States of America Patent
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Sep 13, 1994
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N/A
app pub date -
Sep 8, 1992
filing date -
Nov 26, 1990
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Abstract
Blowing agents of tetrazoles and their derivatives which have a melting point over 200.degree. C. and are used to manufacture the high quality foaming thermoplastic synthetic resin moldings, especially engineering or superengineering plastic moldings and said blowing agents generate no harmful gases and do not cause the deterioration of the thermoplastic synthetic resin moldings.
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