Catalysts for propylene copolymers

Details Catalysts for propylene copolymers Catalysts for propylene copolymers

2004-03-18

2008-10-07

Jagannathan, Vasu (Department: 1796)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S160000, C526S348000, C526S943000, C526S941000, C502S103000, C502S117000, C556S053000, C528S396000

Reexamination Certificate

active

07432336

ABSTRACT:
The present invention relates to propylene based copolymers and to processes for producing propylene based copolymers, particularly propylene-ethylene copolymers. These unique copolymers are prepared using metallocene catalysts.

REFERENCES:
patent: 5017714 (1991-05-01), Welborn, Jr.
patent: 5304614 (1994-04-01), Winter et al.
patent: 5336746 (1994-08-01), Tsutsui et al.
patent: 5504172 (1996-04-01), Imuta et al.
patent: 5679811 (1997-10-01), Winter et al.
patent: 5741563 (1998-04-01), Mehta et al.
patent: 5763080 (1998-06-01), Stahl et al.
patent: 5795946 (1998-08-01), Agarwal et al.
patent: 5830968 (1998-11-01), Sadatoshi et al.
patent: 5846896 (1998-12-01), Ewen
patent: 5986008 (1999-11-01), Matsunaga et al.
patent: 6143846 (2000-11-01), Herrmann et al.
patent: 6143911 (2000-11-01), Fujita et al.
patent: 6156856 (2000-12-01), Saito et al.
patent: 6331590 (2001-12-01), Herrmann et al.
patent: 6350830 (2002-02-01), Gores et al.
patent: 6399533 (2002-06-01), Sacchetti et al.
patent: 6476172 (2002-11-01), Wachowicz et al.
patent: 6794476 (2004-09-01), Machida et al.
patent: 2001/0007896 (2001-07-01), Agarwal et al.
patent: 2002/0013440 (2002-01-01), Agarwal et al.
patent: 2004/0106738 (2004-06-01), Machida et al.
patent: 38 25 814 (1990-02-01), None
patent: 0 284 708 (1988-10-01), None
patent: 0 374 695 (1990-06-01), None
patent: 0 318 049 (1992-04-01), None
patent: 0 575 875 (1993-12-01), None
patent: 0 643 078 (1995-03-01), None
patent: 0 682 042 (1995-11-01), None
patent: 0 890 584 (1999-01-01), None
patent: 1 052 263 (2000-11-01), None
patent: 1 209 165 (2002-05-01), None
patent: WO 97/19991 (1997-06-01), None
patent: WO 00/01766 (2000-01-01), None
patent: WO 02/083753 (2002-10-01), None
patent: 02/090399 (2002-11-01), None
Galimberti et al. Macromolecules 1999, 32, 7968-7976.
Galimberti et al., “Metallocenes for Ethene/Propene Copolymerizations with High Product of Reactivity Ratios”, Macromolecules 1999, 32, 7968-7976, XP-002286818.
Resconi et al., “Diastereoselective Synthesis, Molecular Structure, and Solution Dynamics ofmeso- andrac-{Ethylenebis(4,7-dimethyl-η5-l-indenyl} zirconium Dichloride Isomers and Chain Transfer Reactions in Propene Polymerication with theracIsomer”, Organometallics 1996, 15, 5046-5059.
Kaminsky, W., et al., “Crystal Structure and Propene Polymerization Characteristics of Bridged Zirconocene Catalysts,”Journal of Organometallic Chemistry, v. 497 (1995) pp. 181-193.

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