Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Organic compound containing
Reexamination Certificate
2005-06-14
2005-06-14
Harlan, Robert D. (Department: 1713)
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Organic compound containing
C502S167000, C526S172000
Reexamination Certificate
active
06905999
ABSTRACT:
Olefins, such as ethylene, are polymerized using as a polymerization catalyst a complex of a selected transition metal with an anionic ligand that has at least three atoms that may coordinate to the transition metal. Also disclosed are the above selected transition metal complexes, and intermediates thereto.
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Ittel Steven Dale
Wang Ying
E. I. Du Pont de Nemours and Company
Harlan Robert D.
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