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
2003-07-28
2009-11-03
Harlan, Robert D. (Department: 1713)
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Plural component system comprising a - group i to iv metal...
C502S152000, C502S167000, C502S155000, C526S072000, C526S281000
Reexamination Certificate
active
07612008
ABSTRACT:
The invention relates to polymeric transition metal catalysts, to processes for preparing them, to intermediates and also to the use of the transition metal catalysts as catalysts in organic reactions, in particular in olefin metathesis reactions.
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DATABASE WPI Section Ch, Week 198708 Derwent Publications Ltd., London, GB: Class A26, AN 1987-054598, XP002265197 & JP 62 011720 A (Mitsui Toatsu Chem Inc) Jan. 20, 1987 Zusammenfassung.
T.M. Tmka, R.H. Grubbs, Acc. Chem. Res. 2001, 34, 18-29, “The Development of L2X2Ru=CHR Olefin Metathesis Catalysts: An Organometallic Success Story”.
Van Veldhuizen et al., J. Am. Chem. Soc. 2002, 124, 4954-4955, “A Recycable Chiral Ru Catalysts for Enantioselective Olefin Metathesis. Efficient Catalytic Asymmetric Ring-Opening/Cross Metathesis in Air”: Supporting info pp. 1-32.
Gessler et al., Tetrahedron Letters 41 (month unavailable) (2000) 9973-9976; “Synthesis and metathesis reactions of a phosphine-free dihydroimidazole carbene ruthenium complex”.
Blechert Siegfried
Connon Stephen
Harlan Robert D.
LANXESS Deutschland GmbH
Miller Michael A.
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