Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2007-02-06
2007-02-06
Powers, Fiona T. (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C548S111000, C548S402000, C548S412000, C568S451000, C568S454000, C568S909000, C502S154000, C502S155000
Reexamination Certificate
active
10473216
ABSTRACT:
Pnicogen chelate compounds which have two pnicogen-containing groups joined to one another via a xanthene-like or triptycene-like molecular skeleton and in which at least one pyrrole group is covalently bound via its nitrogen atom to each pnicogen atom form complexes with metals of transition group VIII which are useful as catalysts for the hydroformylation of olefins.
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Ahlers Wolfgang
Hofmann Peter
Paciello Rocco
Vogt Dieter
BASF - Aktiengesellschaft
Novak Druce & Quigg LLP
Powers Fiona T.
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