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Class Information
Number: 422/132
Name: Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing > Chemical reactor > Organic polymerization > Closed loop
Description: Apparatus wherein the reactor is of the closed-loop type; i.e., one wherein substantially all of the reaction mass is continuously recycled during operation.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7588735 |
Production of polyethylene |
Sep. 15, 2009 |
| 7575724 |
Continuous slurry polymerization apparatus |
Aug. 18, 2009 |
| 7572866 |
Slurry phase polymerisation process |
Aug. 11, 2009 |
| 7553916 |
Loop reactor with varying diameter for olefin polymerization |
Jun. 30, 2009 |
| 7547750 |
Apparatus and method for removing polymer solids from slurry loop reactor |
Jun. 16, 2009 |
| 7524904 |
Process and apparatus for separating polymer solids, hydrocarbon fluids, and purge gas |
Apr. 28, 2009 |
| 7517938 |
Loop reactor with varying diameter for olefin polymerization |
Apr. 14, 2009 |
| 7504077 |
Method of producing ethylene (di) chloride (EDC) |
Mar. 17, 2009 |
| 7494627 |
Device and method for the optimization of the injection of reactants into a reactor |
Feb. 24, 2009 |
| 7482411 |
Gas-phase olefin polymerization process |
Jan. 27, 2009 |
| 7473744 |
Process for the production of polymers using a loop reactor |
Jan. 6, 2009 |
| 7442748 |
Continuous polymerization reactor |
Oct. 28, 2008 |
| 7414098 |
Gas-phase catalytic polymerization of olefins |
Aug. 19, 2008 |
| 7410620 |
Apparatus for continuous production of polymers in carbon dioxide |
Aug. 12, 2008 |
| 7268194 |
Continuous slurry polymerization process and apparatus |
Sep. 11, 2007 |
| 7261863 |
Closed loop continuous polymerization reactor and polymerization process |
Aug. 28, 2007 |
| 7226565 |
Gas-phase fluidized-bed reactor |
Jun. 5, 2007 |
| 7094846 |
Stirred tube reactor and method of using the same |
Aug. 22, 2006 |
| 7057007 |
Process for continuously producing polybutylene terephthalate |
Jun. 6, 2006 |
| 7033545 |
Slurry polymerization reactor having large length/diameter ratio |
Apr. 25, 2006 |
| 7025938 |
Fluid recycle apparatus for fluidized bed polyolefin reactor |
Apr. 11, 2006 |
| 7014821 |
Pumping apparatus for slurry polymerization in loop reactors |
Mar. 21, 2006 |
| 6969491 |
Stirred tube reactor and method of using the same |
Nov. 29, 2005 |
| 6964754 |
Polymerization reactor |
Nov. 15, 2005 |
| 6953553 |
Process and apparatus for separating diluent from polymer solids |
Oct. 11, 2005 |
| 6951908 |
Device for feeding reactor initiators |
Oct. 4, 2005 |
| 6930291 |
Adhesive or sealant composition including high efficiency heating agents and methods of use |
Aug. 16, 2005 |
| 6926868 |
Continuous slurry polymerization volatile removal |
Aug. 9, 2005 |
| 6921804 |
Cascaded polyolefin slurry polymerization employing disengagement vessel between reactors |
Jul. 26, 2005 |
| 6911504 |
Apparatus and process for gas phase fluidized-bed polymerization |
Jun. 28, 2005 |
| 6899852 |
Tubular polymerization reactors and polymers made therein |
May. 31, 2005 |
| 6887954 |
Polymerization catalyst |
May. 3, 2005 |
| 6884867 |
Precondition for inverting, mixing, and activating polymers |
Apr. 26, 2005 |
| 6881800 |
Processes and apparatus for continuous solution polymerization |
Apr. 19, 2005 |
| 6872363 |
Production of polyethylene |
Mar. 29, 2005 |
| 6858668 |
Method for masking polyisocyanates in emulsion |
Feb. 22, 2005 |
| 6858188 |
Apparatus for preparing polyolefin products and methodology for using the same |
Feb. 22, 2005 |
| 6818186 |
System for removing heavies from diluent recycled to a slurry polymerization reactor |
Nov. 16, 2004 |
| 6818187 |
Apparatus for gas-phase polymerization |
Nov. 16, 2004 |
| 6787112 |
Parallel reactor with internal sensing and method of using same |
Sep. 7, 2004 |
| 6734282 |
Method and device for separating solids from polymer solutions |
May. 11, 2004 |
| 6723826 |
Production process and production apparatus for polybutylene terephthalate |
Apr. 20, 2004 |
| 6720393 |
Melt flow index determination in polymer process control |
Apr. 13, 2004 |
| 6689845 |
Process and apparatus for the gas-phase polymerization |
Feb. 10, 2004 |
| 6677408 |
Method for producing ethylene homo-and copolymers by intensively mixing a reactive reaction component with a mobile flow medium |
Jan. 13, 2004 |
| 6673878 |
Tubular polymerization reactors and polymers made therein |
Jan. 6, 2004 |
| 6630112 |
Process and unit for carrying out a reaction on an organic feed, such as dimerization or metathesis, in the presence of a polar phase containing a catalyst |
Oct. 7, 2003 |
| 6623703 |
Process for preparing polynucleotides on a solid support and apparatus permitting its implementation |
Sep. 23, 2003 |
| 6596823 |
Process for manufacturing a polyolefin resin |
Jul. 22, 2003 |
| 6596241 |
Tubular polymerization reactors and polymers made therein |
Jul. 22, 2003 |
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