Method and apparatus for decreasing polymer deposition

Details Method and apparatus for decreasing polymer deposition Method and apparatus for decreasing polymer deposition

2008-07-22

2008-07-22

Teskin, Fred M (Department: 1796)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S064000, C526S206000, C526S210000, C526S212000, C526S920000, C422S131000

Reexamination Certificate

active

11728324

ABSTRACT:
The disclosure provides a slurry polymerization system and method to decrease polymer deposition on reactor surfaces using an oxygenate such as alcohol (16) supplied to the polymerization medium (32) separate from the catalyst feed (34).

REFERENCES:
patent: 2534698 (1950-12-01), Calfee et al.
patent: 2548415 (1951-04-01), Welch et al.
patent: 2553426 (1951-05-01), Schutze
patent: 2644809 (1953-07-01), Saylor
patent: 3161628 (1964-12-01), Dost et al.
patent: 3177184 (1965-04-01), Cottle
patent: 3269997 (1966-08-01), Lyons et al.
patent: 3470143 (1969-09-01), Schrage et al.
patent: 3660160 (1972-05-01), Powers et al.
patent: 3808187 (1974-04-01), Steigerwald et al.
patent: 4391959 (1983-07-01), Fauth et al.
patent: 4551509 (1985-11-01), Takayuki et al.
patent: 5028674 (1991-07-01), Hatch et al.
patent: 5191044 (1993-03-01), Rath et al.
patent: 5417930 (1995-05-01), McDonald, Jr. et al.
patent: 5527870 (1996-06-01), Maeda et al.
patent: 5624878 (1997-04-01), Devore et al.
patent: 5625012 (1997-04-01), Hussein et al.
patent: 5691431 (1997-11-01), Chen et al.
patent: 5723429 (1998-03-01), Mahler et al.
patent: 5744662 (1998-04-01), Moallemi
patent: 5830325 (1998-11-01), Mahler et al.
patent: 6156161 (2000-12-01), Miller
patent: 6307115 (2001-10-01), Guiraud et al.
patent: 6527917 (2003-03-01), Kohno et al.
patent: 2004/0015029 (2004-01-01), Lange et al.
patent: 2005/0101751 (2005-05-01), Shaffer et al.
patent: 2005/0107536 (2005-05-01), Shaffer et al.
patent: 2006/0079655 (2006-04-01), Chung et al.
patent: 2006/0084770 (2006-04-01), Milner et al.
patent: 2006/0094847 (2006-05-01), Milner et al.
patent: 2006/0100398 (2006-05-01), Shaffer et al.
patent: 2006/0111522 (2006-05-01), McDonald et al.
patent: 1134710 (1996-10-01), None
patent: 1417234 (2003-05-01), None
patent: 1 003 699 (2000-05-01), None
patent: 57 016009 (1982-01-01), None
patent: WO 98/20046 (1998-05-01), None
patent: WO 00/04061 (2000-01-01), None
patent: WO 02/34794 (2002-05-01), None
patent: WO 02/096964 (2002-12-01), None
patent: WO 2004/058827 (2004-07-01), None
patent: WO 2004/058828 (2004-07-01), None
patent: WO 2004/058829 (2004-07-01), None
patent: WO 2004/067577 (2004-08-01), None
patent: WO 2006/009550 (2006-01-01), None
patent: WO 2006/009553 (2006-01-01), None
patent: WO 2006/011868 (2006-02-01), None
Morrison, R.T. et al, “Macromolecules, Polymers and Polymerization”, Chapter 31, Organic Chemistry, 6th Edition, Prentice Hall Inc., Engelwood Cliffs, NJ, pp. 1084-1085, (1991).
Kennedy, Joseph P., “Olefin Polymerizations and Copolymerizations with Aluminum Alkyl-Cocatalyst Systems”, Journal of Polymer Science, Polymer Chemistry Edition (1986), 6(11), pp. 3139-3150.

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