Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate
2006-01-24
2011-12-27
Lee, Rip A. (Department: 1762)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C526S170000, C526S943000, C526S941000, C526S129000, C526S348000, C526S352000, C526S134000, C556S053000, C556S051000, C502S113000, C502S114000
Reexamination Certificate
active
08084559
ABSTRACT:
A transition metal complex represented by formula [1], and its production process; a substituent-carrying fluorene compound represented by formula [2], and its production process; an olefin polymerization catalyst component comprising the complex; an olefin polymerization catalyst obtained by contacting the catalyst component with a defined aluminum compound and/or a defined boron compound; and a production process of an olefin polymer using the catalyst:
REFERENCES:
patent: 4542199 (1985-09-01), Kaminsky et al.
patent: 6090961 (2000-07-01), Hanaoka et al.
patent: 6329478 (2001-12-01), Katayama et al.
patent: 7211537 (2007-05-01), Fujita et al.
patent: 7615660 (2009-11-01), Senda et al.
patent: 0 754 698 (1997-01-01), None
patent: 4-69394 (1992-03-01), None
patent: 5-51393 (1993-03-01), None
patent: 7-247309 (1995-09-01), None
patent: 2004-155739 (2004-06-01), None
patent: 2004-189869 (2004-07-01), None
patent: WO 92/05204 (1992-04-01), None
patent: WO 97/03992 (1997-02-01), None
patent: WO 98/02469 (1998-01-01), None
patent: WO 02/12358 (2002-02-01), None
Alt, et al., Syndiospezifische Polymerisation von Propylen: Synthese CH2-und CHR—verbrückter fluorenylhaltiger Ligandvorstufen für Metallocenkomplexe des Typs (C13H8-nR'nCHR-C5H4)ZrCI2(n = 0,2; R = H, Alkyl; R' = H, Hai), Journal of Organometallic Chemistry, vol. 526, pp. 295-301, 1996.
Busico, et al., Syndiotactic Poly(propylene) from [Me2Si(3,6-di-tert-butyl-9-fluorenyl)(N-tert-butyl)]TiCL2—Based Catalysts: Chain-End or Enantiotopic-Sites Stereocontrol, Macromol. Chem. Phys., vol. 204, pp. 1269-1274, 2003.
Razavi, et al., Preparation and crystal structures of the complexes (η5-C5H3TMS-CMe2-η5-C13H8)MCI2and [3,6-di'ButC13H6-SiMe2-N'Bu]MCI2(M = Hf, Zr or Ti): mechanistic aspects of the catalytic formation of a isotactic-syndiotactic stereoblock-type polypropylene, Journal of Organometallic Chemistry, vol. 621, pp. 267-276, 2001.
Schmid, et al., Unverbrückte (Pentamethylcyclopentadienyl) (fluorenyl)—Komplexe des Zirconiums und Hafniums. Die Molekülstrukturen von (C5Me5) (2,7-Me2-C13H7) MCI2(M = Zr, Hf), Journal of Organometallic Chemistry, vol. 525, pp. 9-14, 1996.
Hanaoka Hidenori
Nakahara Shinya
Senda Taichi
Sogoh Kenji
Foley & Lardner LLP
Lee Rip A.
Sumitomo Chemical Company Limited
LandOfFree
Transition metal complex, process for producing said... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Transition metal complex, process for producing said..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Transition metal complex, process for producing said... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4254765