Title:
触媒系およびメタセシス反応のためのその使用
Document Type and Number:
Japanese Patent JP5235561
Kind Code:
B2
Abstract:
Catalyst system (I) comprising a metathesis catalyst containing a complex catalyst on basis of a 6th or 8th group metals and exhibits at least one carbene group at the metal bonded ligands, and an alkaline earth metal chloride, preferably calcium chloride or magnesium chloride, is new. An independent claim is included for the molecular weight degradation of the nitrile rubber, where co- or ter-polymer containing at least a conjugated diene, at least an alpha ,beta -unsaturated nitrile and optionally one or more further copolymerizable monomer is used as nitrile rubber, comprising contacting the nitrile rubber with (I) optionally in the presence of a co-olefin.
Inventors:
Werner Obrecht
Kirsten Langfeld
Martin Schneider
Oscar Nuyken
Kirsten Langfeld
Martin Schneider
Oscar Nuyken
Application Number:
JP2008212061A
Publication Date:
July 10, 2013
Filing Date:
August 20, 2008
Export Citation:
Assignee:
LANXESS Deutschland Gamebecher
International Classes:
B01J31/24; B01J31/22; C08C19/08; C08G61/00
Domestic Patent References:
JP2007523914A | ||||
JP2008517966A | ||||
JP2003190807A | ||||
JP2004149460A |
Attorney, Agent or Firm:
Masatake Shiga
Takashi Watanabe
Yasuhiko Murayama
Shinya Mitsuhiro
Takashi Watanabe
Yasuhiko Murayama
Shinya Mitsuhiro
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