Metallocene catalysts containing an idenyl moiety...

Details Metallocene catalysts containing an idenyl moiety... Metallocene catalysts containing an idenyl moiety...

2006-07-11

2006-07-11

Lu, Caixia (Department: 1713)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S160000, C526S161000, C526S165000, C526S172000, C526S943000, C502S152000, C502S158000, C556S410000, C556S482000

Reexamination Certificate

active

07074863

ABSTRACT:
A metallocene catalyst in which the metal is coordinated by a η5 cyclopentadienyl ligand which forms part of an indenyl or indenyloid moiety, characterized in that said moiety is directly or indirectly substituted at the 4-, 5-, 6- or 7-position by a pendant siloxy or germyloxy group.

REFERENCES:
patent: 5304614 (1994-04-01), Winter et al.
patent: 5483002 (1996-01-01), Seelert et al.
patent: 5504232 (1996-04-01), Winter et al.
patent: 5672668 (1997-09-01), Winter et al.
patent: 6160184 (2000-12-01), McMorris
patent: 0 705 281 (1998-03-01), None
patent: 93/11258 (1993-06-01), None
patent: WO 93/11258 (1993-06-01), None
patent: WO 94/28034 (1994-12-01), None
patent: WO 96/00243 (1996-01-01), None
patent: WO 96/32423 (1996-10-01), None
patent: WO 96/38458 (1996-12-01), None
patent: WO 97/28170 (1997-08-01), None
patent: WO 98/46616 (1998-10-01), None
Linnolahti et al, “Theoretical Study on the Factors Controlling the Accessibility of Cationic Metal Centers in Zirconocene Polymerization Catalysts”, Macromolecules 2000, 33, 9205-9214; XP-002187589.
Luttikhedde et al, “Bis(triisopropylsiloxyindenyl) zirconocenes”, Journal of Organometallic Chemistry, 555 (1998) 127-134.
Tanaka et al, “Synthetic Studies on a Picrotoxane Sesquiterpene, Coriamyrtin. II.1)An Effective Stereocontrolled Synthesis of the Picrotoxane Skeleton Except for a C1Unit at the C9Position and Functionalziation of the Five-Membered Ring”, Chem. Pharm. Bull. 31(6)1958-1971(1983); XP-001108954.
Leino et al, “Isospecific Propylene Polymerization with a Novel 2-Substituted Bis(indeny)ansa-Zirconocene”, Organometallics 1996, 15, 2450-2453.
Leino et al, “Homogeneous α-Olefin Polymerizations over Racemic Ethylene-Bridgedansa-Bis(2-tert-butyldimethylsiloxy)-1-indenyl) andansa-Bis(2-tert-butyldimethylsiloxy)-4,5,6,7-tetrahydro-1-indenyl) Metallocene Dichlorides”, Macromolecules 1997, 30, 3477-3483.
Linnolahti et al; “Theoretical Study on the Factors Controlling the Accessibility of Cationic Metal Centers in Zirconocene Polymerization Catalysts”; 2000, 33 (25), 92-0-9214, XP002187589.
Luttikhedde et al; “Bis(Triisopropylsiloxyindenyl) Zirconocenes”; Journal of Organometallic Chemistry, Elsevier-Sequoia S.A. Lausanne, CH, vol. 555, No. 1, Mar. 25, 1998, pp. 127-134, XP004128622.
Tanaka et al; “Synthetic Studies on a Picrotoxane Sesquiterpene, Coriamyrtin. II. An Effective Stereocontrolled Synthesis of the Picrotoxane Skeleton Except for a C1 Unit at the C9 Position and Functionalization of the Five-Membered Ring”; Chem. Pharm. Bull., 1983, 31(6), 1958-71 XP001108954.

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