Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
【発明の名称】メタロセン化合物
Document Type and Number:
Japanese Patent JP2000514433
Kind Code:
A
Abstract:
Metallocene compounds of the formulawhereCpI and CpII are carbanions having a cyclopentadienyl-containing structure,D is a donor atom andA is an acceptor atom,where D and A are linked by a reversible coordinative bond in such a way that the donor group takes on a positive (partial) charge and the acceptor group takes on a negative (partial) charge,M represents a transition metal of transition group III, IV, V or VI of the Periodic Table of the Elements (Mendeleev),X is one anion equivalent andn is, depending on the charge of M, zero, one, two, three or four,are new and can be used as catalysts for the (co)polymerization of olefins, i-olefins, alkines and/or diolefins or for ring-opening polyaddition.A typical X-ray structure analysis is represented by formula 18a.

Inventors:
Ostoya Shyutarzevski, Karl-Heinz Alexander
Kelly, Warren Mark
Application Number:
JP50474298A
Publication Date:
October 31, 2000
Filing Date:
July 02, 1997
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Bayer Actien Gezershyaft
International Classes:
C07F9/50; C07F9/6568; C07F17/00; C07F17/02; C07F7/00; C08F4/602; C08F4/64; C08F4/642; C08F10/00; C08F10/02; C08F32/00; C08F210/02; C08F4/619; C08F4/6192; C08F4/659; C08F110/02; C08F110/06; C08F210/16; C08F210/18; (IPC1-7): C07F17/00; C07F7/00; C08F4/64; C08F10/00
Attorney, Agent or Firm:
Heiyoshi Odashima (1 person outside)