B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 29/06 (2006.01) B01J 29/04 (2006.01) B01J 35/00 (2006.01) B01J 37/02 (2006.01) C07C 2/12 (2006.01)
Patent
CA 2211043
A crystalline molecular sieve, especially a zeolite, each crystallite having a core and an outer layer of the same structure, the Si:Al molar ratio in the core being greater than that in the outer layer, gives lower branching in olefin oligomerization products.
L'invention porte sur un tamis moléculaire cristallin, en particulier une zéolite, dans lequel chaque cristallite présente un noyau et une couche extérieure de même structure, le rapport molaire Si:Al du noyau étant supérieur à celui de la couche extérieure, ce qui permet de réduire les ramifications dans les produits d'oligomérisation des oléfines.
Martens Luc Roger Marc
Verduijn Johannes Petrus
Verrelst Wim Herman
Borden Ladner Gervais Llp
Exxon Chemical Patents Inc.
Exxonmobil Chemical Patents Inc.
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