ClassID:

97760

C08F4/76 - page 2 - CPC Classification

Classification description:

Polymerisation catalysts; Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from metals not provided for in group selected from refractory metals selected from titanium, zirconium, hafnium, vanadium, niobium or tantalum

Recent Application in this class:
#301
20120108769
2012-05-03

MULTI-COMPONENT CATALYST SYSTEMS INCLUDING CHROMIUM BASED CATALYSTS AND POLYMERIZATION PROCESSES FOR FORMING POLYOLEFINS

#302
20110257348
2011-10-20

Catalyst compositions for producing high Mz/Mw polyolefins

#303
20110059278
2011-03-10

Solid state properties of polyethylene prepared with tetrahydroindenyl-based catalyst system

#304
20110009580
2011-01-13

Novel copolymers

#305
20100331505
2010-12-30

Dual metallocene catalyst systems for decreasing melt index and increasing polymer production rates

#306
20100317803
2010-12-16

Polypropylene Composition Comprising a Propylene Copolymer Component

#307
20100222530
2010-09-02

Procatalyst composition with substitute 1,2-phenylene aromatic diester internal donor and method

#308
20100184931
2010-07-22

Method for producing very-high or ultra-high molecular weight polyethylene

#309
20100179291
2010-07-15

Long chain-branched ethylene-alpha olefin copolymer

#310
20100105883
2010-04-29

Pentalenes

#311
20100069585
2010-03-18

Chromium-Based Catalysts

#312
20090082531
2009-03-26

Copolymers

#313
20090036621
2009-02-05

Catalyst System

#314
20080287618
2008-11-20

Solid State Properties Of Polyethylene Prepared With Tetrahydroindenyl-Based Catalyst System

#315
20080194399
2008-08-14

Polyolefin production with a high performance support for a metallocene catalyst system

#316
20080108765
2008-05-08

Activating Agents for Hafnium-Based Metallocene Components

#317
20070135575
2007-06-14

Processes of controlling molecular weight distribution in ethylene/alpha-olefin compositions

#318
20050233892
2005-10-20

Polyolefin production with a high performance support for a metallocene catalyst system

#319
20050165182
2005-07-28

Process for preparing isobutylene-based polymers

#320
20050113243
2005-05-26

Catalyst compositions for producing polyolefins in the absence of cocatalysts

#321
20050075242
2005-04-07

Heterocyclic nitrogen-containing activators and catalyst systems for olefin polymerization

#322
14863528
2017-01-10

Ziegler-natta—metallocene dual catalyst systems with activator-supports