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Class Information
Number: 526/352
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 > From hydrocarbon > From ethylene only
Description: Subject matter wherein the unsaturated monomer is only ethylene.

Sub-classes under this class:

Class Number Class Name Patents
526/352.2 Low density 122

Patents under this class:

Patent Number Title Of Patent Date Issued
8710163 Pyridyldiamido transition metal complexes, production and use thereof Apr. 29, 2014
8710160 Process for the preparation of ethylene homopolymers or copolymers in a high-pressure reactor controlled by a model based predictive controller Apr. 29, 2014
8691904 Thiobis phenolic antioxidant/polyethylene glycol blends Apr. 8, 2014
8686097 System and method for processing reactor polymerization effluent Apr. 1, 2014
8680219 System and method for processing reactor polymerization effluent Mar. 25, 2014
8680173 Sequentially cross-linked polyethylene Mar. 25, 2014
8673202 Ultra high molecular weight polyethylene articles and methods of forming ultra high molecular weight polyethylene articles Mar. 18, 2014
8658750 System and method for selective trimerization Feb. 25, 2014
8653209 High vinyl terminated propylene based oligomers Feb. 18, 2014
8653206 Operation of multi-reactor polyolefin manufacturing process Feb. 18, 2014
8642710 Process for preparing polyolefin Feb. 4, 2014
8637618 Method for producing very-high or ultra-high molecular weight polyethylene Jan. 28, 2014
8609792 Bimodal polyethylene for blow-moulding applications Dec. 17, 2013
8609791 Method for replacing compatible ethylene polymerization catalysts Dec. 17, 2013
8604145 High activity, low molecular weight olefin polymerization process Dec. 10, 2013
8592536 Catalyst preparation using H2 Nov. 26, 2013
8563674 Polyethylene and catalyst composition for its preparation Oct. 22, 2013
8557936 Catalyst compounds and use thereof Oct. 15, 2013
8557931 Multistage process for the polymerization of ethylene Oct. 15, 2013
8552125 Process for the preparation of a particulate polyethylene product Oct. 8, 2013
8546501 Catalyst compounds and use thereof Oct. 1, 2013
8541530 Method of manufacturing artificial snow Sep. 24, 2013
8541522 Catalyst compounds and use thereof Sep. 24, 2013
8541521 Catalyst compounds and use thereof Sep. 24, 2013
8541520 Method of making high-density polyethylene with titania-iron nanofillers Sep. 24, 2013
8530593 Catalyst compounds and use thereof Sep. 10, 2013
8530057 Methods for making oxidation resistant polymeric material Sep. 10, 2013
8524845 Catalyst composition and a process for the oligomerization of ethylene Sep. 3, 2013
8519070 Post-metallocene complexes based on bis(naphthoxy)pyridine and bis(naphthoxy)thiophene ligands for the polymerisation of ethylene and alpha-olefins Aug. 27, 2013
8497346 Polymer powder storage and/or transport and/or degassing vessels Jul. 30, 2013
8497331 Polymerisation of ethylene and alpha-olefins with pyrrol-iminophenol complexes Jul. 30, 2013
8492498 Polymer compositions for rotational molding applications Jul. 23, 2013
8492493 Sterically emcumbered bidentate and tridentate naphthoxy-imine metallic complexes Jul. 23, 2013
8492492 System and method for processing reactor polymerization effluent Jul. 23, 2013
8486323 Rotational molded articles, and method of making the same Jul. 16, 2013
8481666 Polyethylene compositions, method of producing the same, articles made therefrom, and method of making the same Jul. 9, 2013
8481665 Polyolefin production Jul. 9, 2013
8475899 Process for producing broader molecular weight distribution polymers with a reverse comonomer distribution and low levels of long chain branches Jul. 2, 2013
8470947 Ethylenic polymer Jun. 25, 2013
8470939 Preparation of polyethylene Jun. 25, 2013
8470903 Ultra high molecular weight polyethylene articles and methods of forming ultra high molecular weight polyethylene articles Jun. 25, 2013
8461280 Multi-stage process for producing multimodal linear low density polyethylene polymers Jun. 11, 2013
8455601 Polyolefin film Jun. 4, 2013
8450438 High temperature polyethylene solution polymerization process May. 28, 2013
8450437 Polymerization catalysts for producing polymers with low melt elasticity May. 28, 2013
8445619 Polyolefin powder May. 21, 2013
8445599 Multi-stage process for producing polyethylene with lowered gel formation May. 21, 2013
8436115 Catalyst systems based on carbonylamino fulvenes May. 7, 2013
8431660 Non-metallocene catalysts having tetrazol group for olefin polymerization and polymerizing method of olefin using the same Apr. 30, 2013
8426540 Tridentate ligand compounds with imino furan units, method for manufacturing said compounds, and their use in the preparation of catalysts for the homopolymerisation and copolymerisation of et Apr. 23, 2013

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