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Class Information
Number: 526/919
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Catalyst injection technique in addition polymerization processes
Description: Subject matter involving ethylenic polymerization processes wherein a particular technique or injecting catalyst into the reactor is involved, e.g., into a carrier gas, sparged into monomer stream, use of a particular pump, etc.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7572867 |
Polymerization process for producing polydienes |
Aug. 11, 2009 |
| 7527175 |
Metering of catalysts |
May. 5, 2009 |
| 7504462 |
Process for producing olefin polymer |
Mar. 17, 2009 |
| 7321016 |
Method of producing styrene polymers using high speed catalytic dispersion technology |
Jan. 22, 2008 |
| 7288610 |
Method of polymerization and nozzle employed in same |
Oct. 30, 2007 |
| 7235614 |
Methods for injecting catalyst into a polymerization reactor |
Jun. 26, 2007 |
| 7232868 |
Methods of delivering catalyst systems for propylene polymerization |
Jun. 19, 2007 |
| 7071273 |
Tetrafluoroethylene copolymer, its production method and paste extruded product |
Jul. 4, 2006 |
| 6995235 |
Methods of producing polyolefins and films therefrom |
Feb. 7, 2006 |
| 6822060 |
Process for producing a tetrafluoroethylene polymer excellent in strength |
Nov. 23, 2004 |
| 6639048 |
Method for reducing the quantity of residual monomers in aqueous polymerisate dispersions |
Oct. 28, 2003 |
| 6630549 |
Method for producing an olefin homopolymer or an olefin copolymer |
Oct. 7, 2003 |
| 6624266 |
Compositions and methods of using preactivated unsupported catalyst compositions having a given concentration |
Sep. 23, 2003 |
| 6610799 |
Olefin polymerization process |
Aug. 26, 2003 |
| 6462138 |
Method for reducing residual monomers in liquid systems by adding an oxidation-reduction initiator system |
Oct. 8, 2002 |
| 6398463 |
Process for introducing a solid catalyst into a fluidized or agitated vessel |
Jun. 4, 2002 |
| 6365695 |
Ultrasonic catalyst feed for fluid bed olefin polymerization |
Apr. 2, 2002 |
| 5859157 |
Process for gas phase polymerization of olefins |
Jan. 12, 1999 |
| 5187245 |
Method of addition of polymerization initiator |
Feb. 16, 1993 |
| 5019632 |
Polymerization of fluoroolefins in presence of non-volatile polymeric seed |
May. 28, 1991 |
| 4921919 |
Method and apparatus for minimizing polymer agglomerate or lump formation in a gas-phase polypropylene polymerization reactor |
May. 1, 1990 |
| 4698211 |
Catalyst injection for Ziegler polymerization |
Oct. 6, 1987 |
| 4687381 |
Device for introducing a powder with catalytic activity into a fluidized-bed polymerization reactor |
Aug. 18, 1987 |
| 4621124 |
Catalyst system for the polymerization of ethylene |
Nov. 4, 1986 |
| 4210734 |
Controlled ethylene polymerization process |
Jul. 1, 1980 |
| 4158571 |
Novel bingham fluids |
Jun. 19, 1979 |
| 4145498 |
Addition of coupling agent during organolithium initiated polymerizations |
Mar. 20, 1979 |
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