Compositions – Liquid crystal compositions
Reexamination Certificate
2011-03-29
2011-03-29
Salvatore, Lynda (Department: 1786)
Compositions
Liquid crystal compositions
C264S172110, C264S176100, C264S171210
Reexamination Certificate
active
07914699
ABSTRACT:
A liquid crystal resin comprises structural units derived from at least two types of aromatic diols. The liquid crystal resin generates 100 ppm or less of acetic acid gas, less than 20 ppm of phenol gas, and less than 100 ppm of carbon dioxide gas when the liquid crystal resin is retained at a melting point +10° C. (or at 335° C. when the melting point is less than 325° C.) for 30 minutes in a helium gas atmosphere. The present invention provides a liquid crystal resin or a composition containing this resin by which metal corrosion, clouding of glass, bulging of molded articles, and the like are reduced.
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Matsubara Satoshi
Tachikawa Koji
Yamanaka Toru
Birch & Stewart Kolasch & Birch, LLP
Salvatore Lynda
Toray Industries Inc.
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