Palladium catalyst systems for selective hydrogenation of dienes
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United States of America Patent
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Dec 12, 1995
Issued Date -
N/A
app pub date -
Sep 22, 1994
filing date -
Jul 19, 1990
priority date (Note) -
Expired
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Abstract
A catalyst precursor is provided that is useful in the selective hydrogenation of olefinic unsaturation in polymers or copolymers. The precursor comprises a palladium salt that is complexed with a complexing agent selected from the group consisting of organic phosphates, dialkylidene acetones, and tetraalkyl ammonium hydroxides. The catalyst precursor may be used in batch, step-wise addition, or continuous systems.
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