ClassID:

97730

C08F4/63904 - CPC Classification

Classification description:

Polymerisation catalysts; Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof; Refractory metals or compounds thereof; Component covered by group containing a transition metal-carbon bond in combination with another component of

Recent Application in this class:
#1
20200239605
2020-07-30

Chromium (III) catalyst systems with activator-supports

#2
20190153129
2019-05-23

Chromium (III) catalyst systems with activator-supports

#3
20150191554
2015-07-09

Chromium (III) catalyst systems with activator-supports

#4
20130310526
2013-11-21

Process for preparing catalysts and catalysts made thereby

#5
20120289667
2012-11-15

Ultra-high molecular weight polyethylene

#6
20120232229
2012-09-13

Catalyst systems containing a bridged metallocene

#7
20120149552
2012-06-14

Processes for making multimodal molecular weight distribution polyolefins

#8
20120095157
2012-04-19

Multiple catalyst system for olefin polymerization and polymers produced therefrom

#9
20120059134
2012-03-08

Catalyst systems and methods of making and using same

#10
20120041147
2012-02-16

Method of controlling polymer architecture

#11
20110313111
2011-12-22

Ethylene copolymers, catalyst system and process for preparing the same

#12
20100190937
2010-07-29

Co-supported catalyst system comprising chromium and group 4 metal complex

#13
20100190936
2010-07-29

Polymerization process using a mixed catalyst system

#14
20100152397
2010-06-17

Composite catalyst for production of polyethylene

#15
20090311453
2009-12-17

Molding compostion comprsing polyethlene for preparing films and process for preparing the molding composition in the presence of a mixed catalyst

#16
20090069475
2009-03-12

Multiple catalyst system for olefin polymerization and polymers produced therefrom

#17
20080021180
2008-01-24

CHROMIUM CATALYSTS ACTIVE IN OLEFIN POLYMERIZATION

#18
20070293640
2007-12-20

Multiple catalyst system for olefin polymerization and polymers produced therefrom

#19
20060128910
2006-06-15

Tandem tetramerisation-polymerisation of olefins

#20
20060094590
2006-05-04

Organochromium/metallocene combination catalysts for producing bimodal resins

#21
20050222350
2005-10-06

Catalyst composition and olefin polymerization using same

#22
20050020788
2005-01-27

Olefin trimerization using a catalyst comprising a source of chromium, molybdenum or tungsten and a ligand containing at least one phosphorous, arsenic or antimony atom bound to at least one (hetero) hydrocarbyl group