Dual catalyst on a single support

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...

Reexamination Certificate

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C502S129000, C526S120000, C526S118000, C526S119000, C526S121000, C526S172000, C526S161000, C526S134000

Reexamination Certificate

active

07064096

ABSTRACT:
Bimodal polyolefins having a reverse or partial reversed comonomer incorporation may be prepared in the presence of a dual catalyst on the same support wherein each catalyst has a different response to temperature, ethylene partial pressures, partial pressure of non-polymerizable hydrocarbons present in the reaction mixture and hydrogen partial pressure.

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