C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/188, 402/200
C08G 63/68 (2006.01) C08G 63/82 (2006.01) C08G 63/87 (2006.01) C08G 79/04 (2006.01)
Patent
CA 1087797
Abstract of the Disclosure The reaction for the manufacture of linear polyesters by polycondensing dicarboxylic acids, hydroxycarboxylic acids or the esters and diols thereof is speeded up by the addition of 1 to 25% by weight of esters of phosphoric and/or phosphorous acid.
270691
Ag Ciba-Geigy
Fetherstonhaugh & Co.
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