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Class Information
Number: 526/171
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 > Polymerizing in the presence of a specified material other than monomer > Material contains transition metal or compound thereof > Transition metal bonded to carbon atom > Transition metal is group viii (fe, co, ni, ru, ph, pd, os, ir, pt)
Description: Subject matter wherein the transition metal is a Group VIII metal.


Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
7615597 Process for the copolymerization of ethylene Nov. 10, 2009
7592498 Metathesis catalysts Sep. 22, 2009
7563848 Crosslinked polycyclooctene Jul. 21, 2009
7547783 Transition metal complexes Jun. 16, 2009
7541413 Olefin polymerization catalysts, their synthesis and use Jun. 2, 2009
7524911 Adhesive and marking compositions made from interpolymers of ethylene/.alpha.-olefins Apr. 28, 2009
7479531 Olefin polymerization catalyst system useful for polar monomers Jan. 20, 2009
7465773 Polymerizable composition and formed article using the same Dec. 16, 2008
7442819 Catalysts for olefin polymerization or oligomerization Oct. 28, 2008
7439205 Tridentate metal catalyst for olefin polymerization Oct. 21, 2008
7439314 Catalysts for olefin polymerization Oct. 21, 2008
7425599 Polyvinyl ethers having silicon-containing functional groups or atomic groups at the end and process for production thereof Sep. 16, 2008
7402646 Polymerization of diisopropenylbenzene Jul. 22, 2008
7399874 Catalyst compound containing divalent tridentate ligand Jul. 15, 2008
7381781 Process for the preparation of low molecular weight hydrogenated nitrile rubber Jun. 3, 2008
7378528 Alkylidene complexes of ruthenium containing N-heterocyclic carbene ligands; use as highly active, selective catalysts for olefin metathesis May. 27, 2008
7365140 Transition metal carbene complexes containing a cationic substituent as catalysts of olefin metathesis reactions Apr. 29, 2008
7345129 Polymerisation catalysts Mar. 18, 2008
7339006 Metathesis-active adhesion agents and methods for enhancing polymer adhesion to surfaces Mar. 4, 2008
7332609 PEG-substituted pyridine ligands and related water-soluble catalysts Feb. 19, 2008
7329758 Imidazolidine-based metal carbene metathesis catalysts Feb. 12, 2008
7312285 Method for preparing norbornene based addition polymer containing ester or acetyl functional group Dec. 25, 2007
7309805 Method and system to contact an ionic liquid catalyst with oxygen to improve a chemical reaction Dec. 18, 2007
7297747 Polymerization process and polymer composition Nov. 20, 2007
7294717 Alkylidene complexes of ruthenium containing N-heterocyclic carbene ligands; use as highly active, selective catalysts for olefin metathesis Nov. 13, 2007
7294679 Catalyst support method and polymerization with supported catalysts Nov. 13, 2007
7285593 Polyolefin compositions optionally having variable toughness and/or hardness Oct. 23, 2007
7285598 Polymer and process for producing the same Oct. 23, 2007
7285609 Olefin polymerization catalyst system useful for polar monomers Oct. 23, 2007
7276574 Process for producing vinyl polymer Oct. 2, 2007
7276616 Phosphorous containing ligands for metathesis catalysts Oct. 2, 2007
7271231 Polymerization of olefins Sep. 18, 2007
7268196 Process for producing cycloolefin addition polymer Sep. 11, 2007
7262244 Polymer composites comprising low molecular weight nitrile rubber Aug. 28, 2007
7259214 Metal catalyst for olefin polymerization and co-polymerization with functional monomers Aug. 21, 2007
7247687 Late transition metal catalysts for olefin polymerization and oligomerization Jul. 24, 2007
7241847 Process for producing cycloolefin addition polymer Jul. 10, 2007
7241903 Metallocenes, use in catalyst system for producing olefin polymers Jul. 10, 2007
7235601 Hydrogenated nitrile rubber compositions with improved processability Jun. 26, 2007
7199074 Catalytic composition and its preparation and use for preparing polymers from ethylenically unsaturated monomers Apr. 3, 2007
7179871 Non-symmetrical ligands and catalyst systems thereof for ethylene oligomerization to linear alpha olefins Feb. 20, 2007
7176266 Catalyst for vinyl compound polymerization and process for producing vinyl polymer Feb. 13, 2007
7173097 Metathesis-curable composition with a reaction control agent Feb. 6, 2007
7173096 Crosslinked polycyclooctene Feb. 6, 2007
7172986 Catalytic composition and its preparation and use for preparing polymers from ethylenically unsaturated monomers Feb. 6, 2007
7172755 Methods for making functionalized polymers Feb. 6, 2007
7169863 Salts of lewis acid/acid adducts and catalyst activators therefrom Jan. 30, 2007
7153916 Transition metal compound, catalyst for polymerization of olefin, and process for polymerization of ofelin using the catalyst Dec. 26, 2006
7132491 Chain transfer reagent, free radical polymerization employing the same and resulting polymers Nov. 7, 2006
7129304 Dimine metal complexes, methods of synthesis, and methods of using in oligomerization and polymerization Oct. 31, 2006

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