Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From sulfur-containing reactant
Patent
1992-02-25
1992-10-27
Kight, III, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From sulfur-containing reactant
528171, 528373, C08G 7500, C08G 7518, C08G 7520, C08G 7524
Patent
active
051590573
ABSTRACT:
A method for preparing aromatic polyester comprising reacting carbon monoxide, a diol, and an aromatic trifluoromethane sulfonate reactant having the general formula ##STR1## in the presence of solvent and a catalyst. Ar is selected from the group consisting of aromatic and heteroaromatic moieties having a total of ring carbons and heteroatoms of from 6 to about 30. The catalyst is a compound of a metal selected from the group consisting of platinum, palladium and nickel.
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Eastman Kodak Company
Kight III John
Mosley T.
Walker Robert L.
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