Organic compounds -- part of the class 532-570 series – Organic compounds – Heavy metal containing
Reexamination Certificate
2006-05-24
2010-11-16
Lu, Caixia (Department: 1796)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heavy metal containing
C502S152000
Reexamination Certificate
active
07834204
ABSTRACT:
Provided is a transition metal compound represented by the general formula [III]:wherein R23, R24, R25, R26, R27, and R28are each independently selected from hydrogen, a hydrocarbon group, a silicon-containing group, a sulfur-containing group, an oxygen-containing group, a nitrogen-containing group, and a halogen-containing group, adjacent substituents of R23to R28are optionally bonded to each other to form a ring, M is a Group 4 transition metal, Y is carbon atom, Q is selected from halogen, a hydrocarbon group, an anionic ligand and a neutral ligand capable of coordinating with a lone electron pair, which is selected in the same combination or different combination, j is an integer of 1 to 4, and Z is a fluorenylidene group comprising a fluorene derivative formula [I] or formula [II]
REFERENCES:
patent: 5036034 (1991-07-01), Ewen
patent: 5416228 (1995-05-01), Ewen et al.
patent: 5565592 (1996-10-01), Patsidis et al.
patent: 5616752 (1997-04-01), Patsidis et al.
patent: 5710224 (1998-01-01), Alt et al.
patent: 5731254 (1998-03-01), Winter et al.
patent: 6316558 (2001-11-01), Kaneko et al.
patent: 6369175 (2002-04-01), Ewen
patent: 6559089 (2003-05-01), Razavi et al.
patent: 6939928 (2005-09-01), Kawai et al.
patent: 2003/0143422 (2003-07-01), Chen
patent: 1 304 319 (2003-04-01), None
patent: 2-274703 (1990-11-01), None
patent: 3-193796 (1991-08-01), None
patent: 6-122718 (1994-05-01), None
patent: 9-240149 (1997-09-01), None
patent: 10-226694 (1998-08-01), None
patent: 11-228588 (1999-08-01), None
patent: 2001-526730 (2001-12-01), None
patent: 2003-49044 (2003-02-01), None
patent: 2005-513713 (2005-05-01), None
patent: WO 01/27124 (2001-04-01), None
J.A. Ewen et al., “Syndiospecific Propylene Polymerizations with Group 4 Metallocenes,” Journal of the American Chemical Society, vol. 110 (1988), pp. 6255-6256.
W. Kaminsky et al., “Polymerization of Propene and Butene with a Chiral Zirconocene and Methylalumoxane as Cocatalyst,” Angewandte Chemie, vol. 24, No. 6, (1985), pp. 507-508.
S. Miller et al., “Isotactic—Hemiisotactic Polypropylene from C1-Symmetricansa-Metallocene Catalysts: A New Strategy for the Synthesis of Elastomeric Polypropylene,” Organometallics, vol. 21, No. 5, Mar. 4, 2002, pp. 934-945.
Erik W. Thulstrup et al., “Orientation and linear dichroism of symmetrical aromatic molecules imbedded in stretched polyethylene”, Journal of the American Chemical Society, vol. 104, No. 21, (1982), pp. 5594-5604.
Michele Regimbald-Krnel et al., “On the Di-1-naphthylcarbene-Dibenzofluorene Rearragement and the Ethylenization of Diarylcarbinols”, Journal of Organic Chemistry, vol. 63, No. 23, (1998), pp. 8417-8423.
Search Report mailed Jun. 8, 2009 in corresponding Singapore Application No. 200718075-5.
Endo Koji
Funaya Munehito
Hirota Naritoshi
Kawai Koji
Yamamura Yuichi
Foley & Lardner LLP
Lu Caixia
Mitsui Chemicals Inc.
LandOfFree
Fluorene derivative, transition metal compound, catalyst for... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Fluorene derivative, transition metal compound, catalyst for..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fluorene derivative, transition metal compound, catalyst for... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4184162