B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
252/10, 260/372.
B01J 29/04 (2006.01) B01J 29/89 (2006.01) C07D 301/12 (2006.01) C07D 301/19 (2006.01)
Patent
CA 2282584
Useful catalyst compositions are produced by treating substituted molecular sieves with reactive titanium compounds such as titanium tetrahalides, preferably in the vapor phase at elevated temperatures. The molecular sieve starting materials contain tellurium, boron or germanium oxides in addition to silicon and titanium oxides. Olefins are efficiently transformed to epoxides using these catalyst compositions and an oxidizing agent such as hydrogen peroxide or an organic hydroperoxide.
Selon l'invention, on produit des compositions de catalyseur utiles en traitant des tamis moléculaires substitués, au moyen de composés de titane réactifs comme des tétrahalogénures de titane, de préférence en phase vapeur et à températures élevées. Les matériaux de départ des tamis moléculaires contiennent des oxydes de tellure, de bore ou de germanium, en plus des oxydes de silicium et de titane. On transforme efficacement des oléfines en époxydes en utilisant ces compositions de catalyseur ainsi qu'un agent d'oxydation comme du peroxyde d'hydrogène ou un hydroperoxyde organique.
Arco Chemical Technology L.p.
Osler Hoskin & Harcourt Llp
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