ClassID:

242926

Y10S526/943 - page 2 - CPC Classification

Classification description:

Synthetic resins or natural rubbers -- part of the class 520 series Polymerization with metallocene catalysts

Recent Application in this class:
#301
20070225158
2007-09-27

Transition metal complex, catalyst composition including the same and olefin polymer using catalyst composition

#302
20070219327
2007-09-20

Technique for selecting polymerization modifiers cross reference statement

#303
20070213483
2007-09-13

Monocyclopentadienyl complexes

#304
20070208148
2007-09-06

Process for producing propylene copolymers

#305
20070207916
2007-09-06

Catalyst system for olefin polymerization, its production and use

#306
20070203314
2007-08-30

Shear thinning ethylene/α-olefin interpolymers and their preparation

#307
20070203310
2007-08-30

Process for preparation of polyolefins via degenerative transfer polymerization

#308
20070197752
2007-08-23

Organometal compound catalyst

#309
20070197374
2007-08-23

Dual metallocene catalysts for polymerization of bimodal polymers

#310
20070185291
2007-08-09

Fulvene, metallocene catalysts and preparation method thereof, and preparation of polyolefines copolymer using the same

#311
20070179049
2007-08-02

Titanocenen-based catalyst system

#312
20070179046
2007-08-02

Catalyst composition including transition metal complexes and olefin polymerization using the same

#313
20070179044
2007-08-02

Polymerization catalysts for producing high molecular weight polymers with low levels of long chain branching

#314
20070155920
2007-07-05

Meso-selective synthesis of ansa-metallocenes

#315
20070155919
2007-07-05

Organometallic transition metal compound, biscyclopentadienyl ligand system, catalyst system and preparation of polyolefins

#316
20070155619
2007-07-05

Hydrogenated catalyst

#317
20070149730
2007-06-28

Polymerization process

#318
20070149729
2007-06-28

Butene-1 homopolymer

#319
20070142656
2007-06-21

Chain growth reaction process

#320
20070142221
2007-06-21

Olefin polymerization catalyst and olefin polymerization process using the same

#321
20070135623
2007-06-14

Halogen substituted heteroatom-containing metallocene compounds for olefin polymerization

#322
20070135599
2007-06-14

Polymerization process using metallocene catalyst systems

#323
20070135598
2007-06-14

Supported metallocene catalysts and their use in producing stereospecific polymers

#324
20070135597
2007-06-14

Heteroatom bridged metallocene compounds for olefin polymerization

#325
20070135595
2007-06-14

Halogen substituted metallocene compounds for olefin polymerization

#326
20070135594
2007-06-14

Halogen substituted metallocene compounds for olefin polymerization

#327
20070135593
2007-06-14

Halogen substituted metallocene compounds for olefin polymerization

#328
20070129513
2007-06-07

Polymerization process for producing propylene copolymers

#329
20070117940
2007-05-24

Semicrystalline propylene polymer composition for producing biaxially stretched polypropylene films

#330
20070112152
2007-05-17

Metallocene compounds

#331
20070105712
2007-05-10

Process for manufacturing ultra high molecular weight polymers using novel bridged metallocene catalysts

#332
20070105710
2007-05-10

Half metallocene catalyst and process for preparing syndiotactic styren polymer using the same

#333
20070100106
2007-05-03

Ethylene-α-olefin copolymer and molding thereof

#334
20070100105
2007-05-03

Ethylene-α-olefin copolymer, molding thereof and process for producing the copolymer

#335
20070100095
2007-05-03

Multinuclear half metallocene catalyst and method for preparing syndiotatic polystyrene using the same

#336
20070078249
2007-04-05

Polymerisation catalysts

#337
20070078238
2007-04-05

Multiple component feed methods and systems

#338
20070060728
2007-03-15

Process for the isomerization of metallocene compounds

#339
20070060722
2007-03-15

Polymerization catalysts and process for producing bimodal polymers in a single reactor

#340
20070055028
2007-03-08

Preparation of polymerization catalyst activators utilizing indole-modified silica supports

#341
20070043192
2007-02-22

Propylene polymer, and resin composition and molded product thereof

#342
20070043183
2007-02-22

Preparation and use of tetrasubstituted fluorenyl catalysts for polymerization of olefins

#343
20070043176
2007-02-22

Polymerization catalysts and process for producing bimodal polymers in a single reactor

#344
20070027027
2007-02-01

Supported metallocene-alkyl catalyst composition

#345
20070015657
2007-01-18

Catalyst combination, isotactic polymers and also a method for producing linear isotactic polymers and the use thereof

#346
20070010638
2007-01-11

Transition metal complexes, catalyst compositions containing the same, and olefin polymerization using the catalyst compositions

#347
20070010630
2007-01-11

Chlorinated propylene polymer, process for producing the same and use of the same

#348
20070004882
2007-01-04

Catalyst preparation method

#349
20070003724
2007-01-04

Coating composition, method of preparation thereof and substrate coated therewith

#350
20060293474
2006-12-28

Polymer production at supercritical conditions

#351
20060293471
2006-12-28

Propylene polymer and composition containing the same, molded object and laminate comprising these, and processes for producing propylene polymer and composition containing the same

#352
20060293456
2006-12-28

Curable composition and method for producing the same

#353
20060287447
2006-12-21

Organometal compound catalyst

#354
20060287444
2006-12-21

Interpolymers suitable for use in hot melt adhesives and processes to prepare same

#355
20060276607
2006-12-07

Propylene copolymer, polypropylene composition, and uses thereof, transition metal compounds and catalyst for olefin polymerization

#356
20060270812
2006-11-30

Process for producing olefin polymers

#357
20060258827
2006-11-16

Group III bridged ionic metallocene based on cyclopentadienyl-fluorenyl ligands

#358
20060257294
2006-11-16

Methods of delivering catalyst systems for propylene polymerization

#359
20060252895
2006-11-09

Metallocene compounds and use thereof in catalysts for the polymerization of olefins

#360
20060235173
2006-10-19

Process for polymerizing 1-butene

#361
20060235171
2006-10-19

Supported hybrid metallocene catalyst, method for preparing the same, and method for preparing polyolefin using the same

#362
20060229420
2006-10-12

Ethylene homopolymers or copolymers having good machine direction (MD) elmendorf tear strength

#363
20060222849
2006-10-05

Propylene polymer particle method of producing the same and use thereof

#364
20060211832
2006-09-21

Polymer production at supercritical conditions

#365
20060205900
2006-09-14

Process for the production of a polymer comprising monomeric units of ethylene, an α-oplefin and a vinyl norbornene

#366
20060189775
2006-08-24

Ethylene polymer and application thereof to moldings

#367
20060189749
2006-08-24

Random copolymers and formulations useful for thermoforming and blow molding applications

#368
20060183874
2006-08-17

Halogen substituted metallocene compounds for olefin polymerization

#369
20060178491
2006-08-10

Olefin polymerization catalysts

#370
20060167295
2006-07-27

Racemoselective synthesis of rac-diorganosilylbis(2-methylbenzo[e]indeyl)zirconium compounds

#371
20060167196
2006-07-27

Transition metal compound, catalyst for olefin polymerization and method for producing polyolefin

#372
20060167195
2006-07-27

Process for the copolymerization of ethylene

#373
20060161013
2006-07-20

Crosslinked metallocene compound for olefin polymerization and method of polymerizing olefin with the same

#374
20060160969
2006-07-20

Catalytic system for obtaining conjugated diene/monoolefin copolymers and these copolymers

#375
20060160968
2006-07-20

Process for producing substituted metallocene compounds for olefin polymerization

#376
20060160967
2006-07-20

Halogen substituted metallocene compounds for olefin polymerization

#377
20060155080
2006-07-13

Injection moulding polymer

#378
20060154809
2006-07-13

Polyorganosilsesquioxane supported metallocene catalysts

#379
20060149103
2006-07-06

Processes for forming polypropylene from an oxygenate-contaminated monomer feedstock

#380
20060149003
2006-07-06

Preparation of polyolefins having high molecular weights in the presence of an organic transition metal compound in a gas-phase fluidized-bed reactor

#381
20060142508
2006-06-29

Polymerization of polyethylene having high molecular weight

#382
20060128842
2006-06-15

Polypropylene having improved clarity and articles prepared therefrom

#383
20060122345
2006-06-08

Organometallic transition metal compound, biscyclopentadienyl ligand system, catalyst system and process for preparing polyolefins

#384
20060122344
2006-06-08

Organometallic fluorenyl compounds, preparations, and use

#385
20060122334
2006-06-08

Blends made from propylene ethylene polymers

#386
20060116498
2006-06-01

Synthetic lubricant composition and process

#387
20060116278
2006-06-01

Group III bridged metallocene based on cyclopentadienyl-fluorenyl ligands

#388
20060111527
2006-05-25

Racemoselective preparation of bridged metallocene complexes having unsubstituted or 2-substituted indenyl ligands

#389
20060111525
2006-05-25

Transition metal complexes, ligands, catalysts for olefin polymerization, and process for production of olefin polymers

#390
20060100401
2006-05-11

Resins that yield low haze films and the process for their production

#391
20060094841
2006-05-04

Organometal catalyst compositions

#392
20060089470
2006-04-27

Supported metallocene catalysts and their use in producing stereospecific polymers

#393
20060084769
2006-04-20

1-butene copolymers and process for preparing them

#394
20060079394
2006-04-13

Trialkylaluminum treated supports

#395
20060069221
2006-03-30

Ansa-metallocene compound, process of preparing the same, and process of preparing polyolefin using the same

#396
20060068985
2006-03-30

Dual site catalyst system comprising a hafnocene component for the production of bimodal polyolefins in a single reactor

#397
20060052553
2006-03-09

Process for preparing 1-butene polymers

#398
20060036048
2006-02-16

Olefinic polymer and process for producing the same

#399
20060025621
2006-02-02

Process for the production of monohalide or dihalide metallocene compounds

#400
20060025546
2006-02-02

Catalyst compositions and polyolefins for extrusion coating applications

#401
20060025299
2006-02-02

Catalyst system for high activity and stereoselectivity in the homopolymerization and copolymerization of olefins

#402
20060020096
2006-01-26

Transition metal compound, ligand system, catalyst system and its use for the polymerization and copolymerization of olefins

#403
20060014911
2006-01-19

Process for the preparation of ethylene copolymers

#404
20060014909
2006-01-19

Process for producing propylene/ethylene block copolymer and propylene/ethylene block copolymer

#405
20060014634
2006-01-19

Silicon containing cyclopentadienyl ring for metallocene catalyst components

#406
20060014632
2006-01-19

Catalyst compounds, catalyst systems thereof and their use in a polymerization process

#407
20060009595
2006-01-12

Olefin polymerization catalyst system and process for use thereof

#408
20060004155
2006-01-05

Multinuclear transition metal compound and catalyst system including the same

#409
20050288472
2005-12-29

Metallocene polypropylene for rotomoulding

#410
20050288463
2005-12-29

Olefin polymerization process in the presence of a radical generating system

#411
20050288462
2005-12-29

Polymerization catalysts for producing polymers with low levels of long chain branching

#412
20050288178
2005-12-29

Acidic activator-supports and catalysts for olefin polymerization

#413
20050272596
2005-12-08

Preparation of catalyst systems

#414
20050267273
2005-12-01

Ethylene polymer, preparation process thereof and molded articles of the same

#415
20050267271
2005-12-01

Bimetallic catalyst for producing polyethylene resins with bimodal molecular weight distribution, its preparation and use

#416
20050261510
2005-11-24

Group 4 metal complexes containing 4-aryl-substituted, tricyclic indenyl derivatives

#417
20050255988
2005-11-17

Supported polymerisation catalysts

#418
20050250956
2005-11-10

Bridged biscyclopentadienyl ligands and method of preparation

#419
20050245710
2005-11-03

Process for producing modified butene-1 polymer and modified butene-1 polymer obtained by the process

#420
20050245701
2005-11-03

Process for producing modified particle; carrier; catalyst component for addition polymerization; process for producing catalyst for addition polymerization; and process for producing addition polymer

#421
20050245700
2005-11-03

Ethylene polymerization process

#422
20050239981
2005-10-27

Phosphorus bridged metallocene compounds for olefin polymerization

#423
20050239979
2005-10-27

Metallocene ligands, metallocene compounds and metallocene catalysts, their synthesis and their use for the polymerization of olefins

#424
20050239637
2005-10-27

Process to prepare a particulated metallocene catalyst with a modified aluminoxane and use in polymerization of olefins

#425
20050234204
2005-10-20

Process for the copolymerization of ethylene

#426
20050233894
2005-10-20

Polymerization catalyst

#427
20050228155
2005-10-13

Metallocene compound, process for preparing metallocene compound, olefin polymerization catalyst, process for preparing polyolefin, and polyolefin

#428
20050228151
2005-10-13

Catalyst composition and methods for its preparation and use in a polymerization process

#429
20050222351
2005-10-06

Process for producing compound, catalyst component for addition polymerization, process for producing catalyst for addition polymerization, and process for producing addition polymer

#430
20050209417
2005-09-22

Cyclopentadienyl-containing low-valent early transition metal olefin polymerization catalysts

#431
20050197471
2005-09-08

Modified aluminum oxy compound, polymerization catalyst and process for producing olefin polymer and alkenyl aromatic hydrocarbon polymer

#432
20050192417
2005-09-01

Ethylene copolymer

#433
20050187396
2005-08-25

“Constrained geometry” metallocenes, method for the production thereof and use of the same for the polymerisation of olefins

#434
20050187351
2005-08-25

Method of making interpolymers and products made therefrom

#435
20050187350
2005-08-25

Method of making interpolymers and products made therefrom

#436
20050176901
2005-08-11

Process for producing polymer

#437
20050171307
2005-08-04

Polyamide supported metallocene catalysts

#438
20050171305
2005-08-04

Solid metallocene catalyst system

#439
20050171285
2005-08-04

Blends made from propylene ethylene polymers

#440
20050170951
2005-08-04

Catalyst composition

#441
20050165184
2005-07-28

Alpha olefin catalyst systems

#442
20050165183
2005-07-28

Methods of forming a supported activated catalyst composition

#443
20050165181
2005-07-28

Method for transitioning between Ziegler-Natta and metallocene catalysts in a bulk loop reactor for the production of polypropylene

#444
20050164875
2005-07-28

Polymerization process using a metallocene catalyst system

#445
20050159567
2005-07-21

Polymerization reactor operability using static charge modifier agents

#446
20050159563
2005-07-21

Method for transitioning between Ziegler-Natta and metallocene catalysts in a bulk loop reactor for the production of polypropylene

#447
20050159300
2005-07-21

Dual metallocene catalyst for producing film resins with good machine direction (MD) elmendorf tear strength

#448
20050154167
2005-07-14

Catalyst composition, method of polymerization and polymer therefrom

#449
20050154158
2005-07-14

Transition metal complexes, ligands, polymerization catalysts for olefins, and process for production of olefin polymers

#450
20050153830
2005-07-14

Catalyst compositions and polyolefins for extrusion coating applications

#451
20050148743
2005-07-07

Supported activator

#452
20050148459
2005-07-07

Process for producing modified particle, carrier or catalyst component for addition polymerization, pre-polymerized catalyst component therefor, catalyst therefor, and addition polymer

#453
20050143536
2005-06-30

Substituted indenyl metal complexes and polymerization process

#454
20050137366
2005-06-23

Organometal compound catalyst

#455
20050131173
2005-06-16

Compositions that can produce polymers

#456
20050131170
2005-06-16

Elastic substantially linear olefin polymers

#457
20050131169
2005-06-16

Method for preparing a catalyst system and its use in a polymerization process

#458
20050131155
2005-06-16

Blends made from propylene ethylene polymers

#459
20050124487
2005-06-09

Polymerization process using metallocene catalyst systems

#460
20050123778
2005-06-09

Polyolefins made by catalyst comprising a noncoordinating anion and articles comprising them

#461
20050119428
2005-06-02

Highly flowable 1-butene polymer and process for producing the same

#462
20050113524
2005-05-26

Isotactic propylene copolymers, their preparation and use

#463
20050113243
2005-05-26

Catalyst compositions for producing polyolefins in the absence of cocatalysts

#464
20050096439
2005-05-05

Substituted polycyclic cyclopentadienes and method for their preparation

#465
20050080244
2005-04-14

Preparation of silicon-bridged metallocene compounds

#466
20050070675
2005-03-31

Olefin polymerization process using triisobutylaluminum as a scavenger

#467
20050070426
2005-03-31

Catalyst component for olefin polymerization, catalyst for α-olefin polymerization and process for the production of α-olefin polymer

#468
20050065286
2005-03-24

High melt strength polymers and method of making same

#469
20050059785
2005-03-17

Polymerization process and polymer composition

#470
20050054799
2005-03-10

Bimodal polyolefin production process and films therefrom

#471
20050054793
2005-03-10

Hydrosilane additives for increased polyolefin molecular weight

#472
20050054790
2005-03-10

Polymerization process

#473
20050054521
2005-03-10

Catalyst compounds, catalyst systems thereof and their use in a polymerization process

#474
20050054520
2005-03-10

Metallocenes and catalyst compositions derived therefrom

#475
20050054518
2005-03-10

Production of olefin polymerization catalysts

#476
20050049372
2005-03-03

Polyamide supported metallocene catalysts

#477
20050043495
2005-02-24

Propylene polymer and composition containing the same, molded object and laminate comprising these, and processes for producing propylene polymer and composition containing the same

#478
20050038210
2005-02-17

Bimodal polyolefin production process and films therefrom

#479
20050037919
2005-02-17

Metallocenes and catalyst compositions derived therefrom

#480
20050033076
2005-02-10

Preparation of preparing substituted indanones

#481
20050032993
2005-02-10

Manufacturing method of polyolefin

#482
20050032634
2005-02-10

Polymerization catalyst system containing polyether-modified aluminoxane

#483
20050026773
2005-02-03

Latent metallocene catalyst systems for olefin polymerization

#484
20050020778
2005-01-27

High melt strength polymers and method of making same

#485
20050020438
2005-01-27

Catalyst component comprising a metallocene with two tetrahydroindenyl ligands for producing a polyolefin

#486
20050010058
2005-01-13

Metallocene compounds and process for the preparation of propylene polymers

#487
20050004385
2005-01-06

Fulvene, metallocene catalysts and preparation method thereof, and preparation of polyolefines copolymer using the same