C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/189, 402/33
C08G 63/68 (2006.01) C08G 63/193 (2006.01) C08G 63/688 (2006.01)
Patent
CA 1169192
Abstract of the Disclosure: Aromatic polyesters are obtained by copoly- condensing isophthalic acid and terephthalic acid or derivatives thereof with bis(hydroxyphenyl) sulfone and 2,2-bis(4'-hydroxyphenyl)propane. These aromatic polyesters have excellent mechani- cal and electrical properties and improved heat resistance.
401913
Fujikake Shiro
Kawamata Motoo
Tsuboi Hikotada
Kirby Eades Gale Baker
Mitsui Toatsu Chemicals Inc.
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