Patent application number | Description | Published |
20080200625 | Polymerisation Catalyst - A polymerisation catalyst comprising (1) a transition metal compound of Formula (A), and optionally (2) an activator, wherein Z is 5-membered heterocyclic containing carbon, nitrogen and at least one other selected from nitrogen, sulphur and oxygen, the remaining atoms in the ring being nitrogen and carbon; M is a metal from Group 3 to 11 or a lanthanide metal; E | 08-21-2008 |
20080200709 | Chain growth reaction process - A process is disclosed for the preparation of zinc alkyl chain growth products via a catalysed chain growth reaction of an alpha-olefin on a zinc alkyl, wherein the chain growth catalyst system employs a group 3-10 transition metal, or a group 3 main group metal, or a lanthanide or actinide complex, and optionally a suitable activator. The products can be further converted into alpha-olefins by olefin displacement of the grown alkyls as alpha-olefins from the zinc alkyl chain growth product, or into primary alcohols, by oxidation of the resulting zinc alkyl chain growth product to form alkoxide compounds, followed by hydrolysis of the alkoxides. | 08-21-2008 |
20080293896 | Diene polymerisation - A process and catalyst for producing homopolymers or copolymers of conjugated dienes by polymerising the monomer with a catalyst system comprising (A) a first transition metal compound selected from Cr, Mo and W compounds, and a second transition metal compound selected from Fe Co and Ni compounds (B) a catalyst modifier (eg triphenyl phosphine) and optionally (C) one or more catalyst activators (eg MAO). The cis, trans and 1,2-vinyl microstructure of the produced diene polymer can be controlled. | 11-27-2008 |
20090043061 | Polymerisation catalysts - A complex compound comprising the skeletal unit (A), wherein the ring C(R | 02-12-2009 |
20090124487 | Polyolefins - Process for making copolymer (eg elastomeric copolymer) by copolymerising (1) ethylene with (2) at least one comonomer aliphatic C | 05-14-2009 |
20100022724 | Diene Polymerisation - A process for producing homopolymers or copolymers of conjugated dienes comprising contacting monomeric material comprising at least one conjugated diene with a catalyst system comprising two or more different transition metal compounds and optionally one or more activators. Preferred transition metal compounds are based on cobalt and chromium, especially complexes thereof having benzimidazole ligands. | 01-28-2010 |
20100331563 | Chain growth reaction process - A process is disclosed for the preparation of zinc alkyl chain growth products via a catalysed chain growth reaction of an alpha-olefin on a zinc alkyl, wherein the chain growth catalyst system employs a group 3-10 transition metal, or a group 3 main group metal, or a lanthanide or actinide complex, and optionally a suitable activator. The products can be further converted into alpha-olefins by olefin displacement of the grown alkyls as alpha-olefins from the zinc alkyl chain growth product, or into primary alcohols, by oxidation of the resulting zinc alkyl chain growth product to form alkoxide compounds, followed by hydrolysis of the alkoxides. | 12-30-2010 |
20110098432 | Coordination Complex - The present invention provides a complex of formula I | 04-28-2011 |