Main > POLYMERS > Oligomer > Olefin Oligomer > Catalyst > Molecular Sieve. Zeolite. > Patent > Claims > Claim 1: Core. Surface Layer (SL). > Core is Zeolite Contg Si & Ga & SL > is Zeolite Contg Si & Al. > Same Crystalline Structure. > (Si:Al)SL>(Si:Ga)Core. Claim 2: > (Si:Ga)Core>120:1. Claim 3: (Si:Al
(Si:Ga)Core>120:1. Claim 3: (Si:Al's subsections
)SL>150:1. Claim 4: Molecular Siev
(Si:Ga)Core>120:1. Claim 3: (Si:Al's products
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