C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
402/187
C08L 67/03 (2006.01) C08G 63/19 (2006.01) C08K 5/098 (2006.01)
Patent
CA 1329297
ABSTRACT OF THE DISCLOSURE Improved polyarylate color is achieved by dissolving in the polyarylate-forming reaction mixture a cobalt salt of an ester of a C3 to C20 aliphatic or iso-aliphatic hydrocarbon. The cobalt salt is preferably predissolved prior to addition to the reaction mixture.
612983
Hoechst Celanese Corporation
Smart & Biggar
LandOfFree
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