C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 69/75 (2006.01) C07C 67/293 (2006.01) C07C 67/333 (2006.01)
Patent
CA 2146355
Provided is a fixed-bed heterogeneous catalyst that promotes the isomerization of cis/trans-DMCD to trans-DMCD in economical fashion with short reaction times and in high purity. The catalyst is preferably H3PO4 on a metal oxide, said metal oxide selected from a group consisting of ZrO2, TiO2, Al2O3, and HfO2, or a tungsten-modified ZrO2.
Choate William Earl
Sumner Charles Edwan Jr.
Eastman Chemical Company
Gowling Lafleur Henderson Llp
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