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Class Information
Number: 526/86
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Polymers from only ethylenic monomers or processes of polymerizing, polymerizable compositions containing only ethylenic monomers as reactants or processes of preparing > Adding material to an on-going polymerization reaction, said addition being other than the continuous addition of the initial charge > Adding catalyst or catalyst component
Description: Subject matter wherein the added material is the catalyst or a part of the catalyst system.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7582709 |
Process and apparatus for manufacturing ethylene polymers and copolymers |
Sep. 1, 2009 |
| 7579428 |
Process for preparation of polyesters without solid state polymerization |
Aug. 25, 2009 |
| 7491775 |
Polymerization processes |
Feb. 17, 2009 |
| 7435784 |
Method of ethylene polymerization for producing products having various properties with high productivity and a tubular reactor used therefor |
Oct. 14, 2008 |
| 7285597 |
Radical polymerization processes for preparing halogenated polymers, and halogenated polymers |
Oct. 23, 2007 |
| 7276565 |
Continuous miniemulsion polymerization process |
Oct. 2, 2007 |
| 7232867 |
Process for producing vinyl chloride polymer |
Jun. 19, 2007 |
| 7208558 |
Radical polymerization processes for preparing halogenated polymers, and halogenated polymers |
Apr. 24, 2007 |
| 7196142 |
Polyisobutylene-based block anionomers and cationomers and synthesis thereof |
Mar. 27, 2007 |
| 7173095 |
Polymerization process involving the dosing initiators |
Feb. 6, 2007 |
| 7148297 |
Catalytic polymerization process |
Dec. 12, 2006 |
| 7132485 |
Dosing of peroxide to a suspension process wherein styrene is polymerized |
Nov. 7, 2006 |
| 7112637 |
Process for producing vinyl chloride polymer |
Sep. 26, 2006 |
| 7109275 |
Co-metering of organic initiators and protective colloids during polymerization reactions |
Sep. 19, 2006 |
| 7078473 |
Radical polymerization methods and halogenated polymers |
Jul. 18, 2006 |
| 7053157 |
Method for production of multimodal polyolefins of tunable composition, molecular weight, and polydispersity |
May. 30, 2006 |
| 7041750 |
Process and apparatus for making supported catalyst systems for olefin polymerization |
May. 9, 2006 |
| 7009011 |
Copolymers of maleic anhydride by stable free redical polymerization |
Mar. 7, 2006 |
| 6995217 |
Processes for transitioning between metallocene and Ziegler-Natta polymerization catalysts |
Feb. 7, 2006 |
| 6949612 |
Processes for transitioning between metallocene and Ziegler-Natta polymerization catalysts |
Sep. 27, 2005 |
| 6946528 |
Hot melt adhesives |
Sep. 20, 2005 |
| 6943228 |
Ultraclean fluoroelastomer suitable for use in the manufacturing of electronic components |
Sep. 13, 2005 |
| 6916891 |
Attrition resistant inorganic microspheroidal particles |
Jul. 12, 2005 |
| 6884860 |
Fluoroelastomer copolymer based on tetrafluoroethylene, chlorotrifluoroethylene, hexafluoropropylene and vinylidene fluoride |
Apr. 26, 2005 |
| 6864335 |
Process for forming solid pressure sensitive adhesive polymer microspheres |
Mar. 8, 2005 |
| 6858683 |
Process for the preparation of SBR rubbers with an improved processability and a lower rolling resistance |
Feb. 22, 2005 |
| 6858684 |
Processes for transitioning between various polymerization catalysts |
Feb. 22, 2005 |
| 6841630 |
Processes for transitioning between chrome-based and mixed polymerization catalysts |
Jan. 11, 2005 |
| 6838532 |
Method for transitioning from a catalyst to an incompatible catalyst in a gas-phase reactor |
Jan. 4, 2005 |
| 6833416 |
Methods of polymerizing olefin monomers with mixed catalyst systems |
Dec. 21, 2004 |
| 6833417 |
Processes for transitioning between chrome-based and mixed polymerization catalysts |
Dec. 21, 2004 |
| 6777385 |
Low-Molecular (meth)acrylicacid(salt)-based polymer and its production process and uses |
Aug. 17, 2004 |
| 6767974 |
Process forming particles with functional groups |
Jul. 27, 2004 |
| 6759490 |
Method for producing aqueous polymer dispersions |
Jul. 6, 2004 |
| 6657021 |
Liquid nozzle with variable liquid level |
Dec. 2, 2003 |
| 6642306 |
Method for preparing stable (co) polymers dispersions in a polyol |
Nov. 4, 2003 |
| 6627708 |
Compositions comprising functionalized polyphenylene ether resins |
Sep. 30, 2003 |
| 6624261 |
Catalytic polymerization process |
Sep. 23, 2003 |
| 6620894 |
Start-up procedure for multiple catalyst polymerization systems |
Sep. 16, 2003 |
| 6593430 |
Transparent, impact-resistant polystyrene on a styrene-butadiene block copolymer basis |
Jul. 15, 2003 |
| 6486271 |
Method of controlling molecular weight distributions during a polymerization process |
Nov. 26, 2002 |
| 6458903 |
Polymerization method |
Oct. 1, 2002 |
| 6455657 |
Preparation of vinyl aromatic-allylic alcohol copolymers |
Sep. 24, 2002 |
| 6403708 |
Crystalline polypropylenes, process for preparing thereof, polypropylene compositions, and thermoformed products |
Jun. 11, 2002 |
| 6398463 |
Process for introducing a solid catalyst into a fluidized or agitated vessel |
Jun. 4, 2002 |
| 6391986 |
Control of solution catalyst droplets |
May. 21, 2002 |
| 6365684 |
Method of manufacturing fluoropolymers |
Apr. 2, 2002 |
| 6329476 |
Olefin polymerization processes and products thereof |
Dec. 11, 2001 |
| 6319995 |
Method of feeding dry catalyst to a polymerization reactor |
Nov. 20, 2001 |
| 6262193 |
Process for the preparation of polymer particles |
Jul. 17, 2001 |
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