Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Organic compound containing
Reexamination Certificate
2005-01-18
2005-01-18
Lu, Caixia (Department: 1713)
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Organic compound containing
C502S103000, C502S123000, C526S159000, C526S172000
Reexamination Certificate
active
06844290
ABSTRACT:
An oligomerization catalyst for olefins is obtainable froma) a chromium compound CrX3and the at least equimolar amount, based on the chromium compound CrX3, of a ligand L or from an existing chromium complex CrX3L, in which the groups X are, independently of one another, abstractable counterions and L is a 1,3,5-triazacyclohexane of the formula I where the groups R1to R9are, independently of one another: hydrogen or organosilicon or substituted or unsubstituted carboorganic groups having from 1 to 30 carbon atoms, where two geminal or vicinal radicals R1to R9may also be joined to form a five—or six-membered ring, andb) at least one activating additiveand also a process for preparing oligomers of olefins using these catalysts, the oligomers thus obtainable, and the oxo alcohols obtainable from these oligomers.
REFERENCES:
patent: 5750816 (1998-05-01), Araki et al.
patent: 780 353 (1997-06-01), None
Köhn Randolf
Maas Heiko
Mihan Shahram
Seifert Guido
Tropsch Jürgen
BASF - Aktiengesellschaft
Keil & Weinkauf
Lu Caixia
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