| Patent Number |
Title Of Patent |
Date Issued |
| 7553917 |
Technique for selecting polymerization modifiers cross reference statement |
June 30, 2009 |
| A combinatorial method for identifying a catalyst composition for use in the homogeneous addition polymerization of an olefin monomers, said catalyst composition comprising a transition metal compound, a cocatalyst and a polymerization modifier, as well as catalyst compositions and i |
| 7491670 |
Self limiting catalyst composition and propylene polymerization process |
February 17, 2009 |
| A catalyst composition for the polymerization of propylene comprising one or more Ziegler-Natta procatalyst compositions comprising one or more transition metal compounds and one or more esters of aromatic dicarboxylic acid internal electron donors; one or more aluminum containing co |
| 7393910 |
Catalyst composition for ethylene polymerization |
July 1, 2008 |
| A process for the polymerization of olefin monomers comprising contacting ethylene or a mixture of ethylene and one or more C.sub.4-8 .alpha. olefins with a catalyst composition comprising one or more Group 3-10 transition metal containing, Ziegler-Natta, procatalyst compounds; one or |
| 7381779 |
Self limiting catalyst composition with dicarboxylic acid ester internal donor and propylene pol |
June 3, 2008 |
| A catalyst composition for the polymerization of propylene comprising one or more Ziegler-Natta procatalyst compositions comprising one or more transition metal compounds and one or more esters of aromatic dicarboxylic acid internal electron donors; one or more aluminum containing co |
| 7094901 |
Expanded anionic compounds comprising hydroxyl or quiescent reactive functionality and catalyst |
August 22, 2006 |
| A cocatalyst or cocatalyst component, including a compound corresponding to the formula: (A*.sup.+a).sub.b(Z*J*.sub.j).sup.-c.sub.d, wherein: A* is a cation of from 1 to 80 atoms, not counting hydrogen atoms, Z* is an anion group of from 1 to 50 atoms, not counting hydrogen atoms, |
| 6806327 |
Substituted polycyclic, fused ring compounds, metal complexes and polymerization process |
October 19, 2004 |
| Metal complexes comprising a polycyclic, fused ring ligand or inertly substituted derivative thereof comprising at least: (1) a cyclopentadienyl ring, (2) a 7 membered polyatomic ring, and (3) one or more aromatic ring systems, with the proviso that said 7 membered ring (2), is fused to |
| 6800701 |
Polycyclic, fused ring compounds, metal complexes and polymerization process |
October 5, 2004 |
| Compounds and metal complexes comprising a polycyclic, fused ring ligand or inertly substituted derivative thereof having up to 60 atoms other than hydrogen, said ligand comprising at least: (1) a cyclopentadienyl ring, (2) a 6, 7, or 8 membered ring other than a 6-carbon aromatic ring, |
| 6716786 |
Supported catalyst comprising expanded anions |
April 6, 2004 |
| A composition useful as an addition polymerization catalyst comprising: A) an inert support; B) a Group 3-10 or Lanthanide metal complex; and C) an activator compound capable of causing the metal complex B) to form an active polymerization catalyst, said compound corresponding to the |
| 6627573 |
Expanded anionic compounds comprising hydroxyl or quiescent reactive functionality and catalyst |
September 30, 2003 |
| A compound useful as a cocatalyst or cocatalyst component, especially for use as an addition polymerization catalyst compound, corresponding to the formula:wherein: A* is a cation of from 1 to 80, preferably 1 to 60 atoms, not counting hydrogen atoms, said A* having a charge +a, Z* |
| 6624254 |
Silane functionalized olefin interpolymer derivatives |
September 23, 2003 |
| Silane functional polymers having uniform silane distribution, long chain branching or tertiary silane functionality and conversion thereof through coupling, hydrolysis, hydrolysis and neutralization, condensation, oxidation or hydrosilation are disclosed. |
| 6613921 |
Polycyclic, fused ring compounds, metal complexes and polymerization process |
September 2, 2003 |
| Compounds and metal complexes comprising a polycyclic, fused ring ligand or inertly substituted derivative thereof having up to 60 atoms other than hydrogen, said ligand comprising at least: (1) a cyclopentadienyl ring, (2) a 6, 7, or 8 membered ring other than a 6-carbon aromatic ring, |
| 6500949 |
Bridged metal complexes |
December 31, 2002 |
| An improved process for forming bridged Group 4 transition metal complexes using boron trihalide and a magnesium dicyclopentadienyl compound to form a dicyclopentadienyl boron halide intermediate for subsequent metallation or other synthetic use and novel metal complexes. |
| 6329486 |
Cyclopentaphenanthrenyl metal complexes and polymerization process |
December 11, 2001 |
| Group 4 metal complexes comprising a cyclopentaphenanthreneyl ligand, catalytic derivatives thereof and their use as olefin polymerization catalysts, especially for the copolymerization of ethylene and a vinylaromatic monomer are disclosed. The resulting copolymers are uniform, pseud |
| 6323294 |
Cyclopentaphenanthrenyl metal complexes and polymerization process |
November 27, 2001 |
| Group 4 metal complexes comprising a cyclopentaphenanthreneyl ligand, catalytic derivatives thereof and their use as olefin polymerization catalysts, especially for the copolymerization of ethylene and a vinylaromatic monomer are disclosed. The resulting copolymers are uniform, pseud |
| 6258902 |
Olefin polymerization process |
July 10, 2001 |
| A process for preparing homopolymers and copolymers of addition polymerizable monomers, or mixtures of such monomers, and the resulting polymer, wherein the process comprising contacting said monomer or mixture under high monomer conversion polymerization conditions with a catalyst c |
| 6191245 |
.alpha.-Olefin/vinylidene aromatic monomer and/or hindered aliphatic or cycloaliphatic vinyliden |
February 20, 2001 |
| The present invention relates to .alpha.-olefin/vinyl aromatic monomer interpolymers with characteristic signals in their carbon 13 NMR spectra. In particular, ethylene/styrene copolymers of the present invention have peaks in the carbon 13 NMR spectra which appear in the chemical shift |
| 6150297 |
Cyclopentaphenanthrenyl metal complexes and polymerization process |
November 21, 2000 |
| Group 4 metal complexes comprising a cyclopentaphenanthreneyl ligand, catalytic derivatives thereof and their use as olefin polymerization catalysts, especially for the copolymerization of ethylene and a vinylaromatic monomer are disclosed. The resulting copolymers are uniform, pseud |
| 6136993 |
Integrated process for preparation of diene complexes |
October 24, 2000 |
| Disclosed is a process for preparing bridged Group 4 metal complexes containing a neutral diene ligand starting from the corresponding novel, metal diene containing complexes by reaction thereof with the divalent derivative of a bridged bidentate ligand compound. The novel, intermediate |
| 6127563 |
Integrated process for preparation of diene complexes |
October 3, 2000 |
| Disclosed is a process for preparing bridged Group 4 metal complexes containing a neutral diene ligand starting from the corresponding novel, metal diene containing complexes by reaction thereof with the divalent derivative of a bridged bidentate ligand compound. The novel, intermediate |
| 6084115 |
Diene complexes of group 4 metals and process of preparation |
July 4, 2000 |
| Disclosed is a process for preparing bridged Group 4 metal complexes containing a neutral diene ligand starting from the corresponding novel, metal diene containing complexes by reaction thereof with the divalent derivative of a bridged bidentate ligand compound. The novel, intermediate |
| 5886117 |
Process using borane derived catalysts for preparation of syndiotactic vinyl aromatic polymers |
March 23, 1999 |
| A process for preparing syndiotactic vinyl aromatic polymers comprising contacting at least one polymerizable vinyl aromatic monomer under polymerization conditions with a catalyst comprising a compound corresponding to the formula:wherein:L is a delocalized .PI.-bonding group containing |
| 5206197 |
Catalyst composition for preparation of syndiotactic vinyl aromatic polymers |
April 27, 1993 |
| A catalyst composition for preparation of polymers of vinyl aromatic monomers having high syndiotacticity comprising a cationic coordination complex and a metal hydrocarbyl. |
| 5196490 |
Process for preparation of syndiotactic polystyrene |
March 23, 1993 |
| Syndiotactic polymers of vinyl aromatic monomers are prepared by conducting the polymerization in the presence of a catalytic amount of the reaction product of polymethylaluminoxane and a cyclopentadienyl/titanium complex. |
| 5077367 |
Crystalline syndiotactic copolymers from arylcyclobutene functional monomers and vinyl aromatic |
December 31, 1991 |
| Syndiotactic homopolymers of an arylcyclobutene functional monomer and syndiotactic copolymers of an arylcyclobutene functional monomer and a vinylaromatic monomer are prepared by conducting the polymerization in the presence of a catalytic amount of a suitable coordination catalyst such |
| 5066741 |
Process for preparation of syndiotactic vinyl aromatic polymers |
November 19, 1991 |
| A process for preparing syndiotactic vinyl aromatic polymers comprising contacting one or more aromatic monomers under polymerization conditions with a catalyst corresponding to the formula:wherein:Cp is a single .eta..sup.5 -cyclopentadienyl or .eta..sup.5 -substituted cyclopentadienyl |
| 5045517 |
Catalyst and process for preparation of syndiotactic polystyrene |
September 3, 1991 |
| Syndiotactic polymers of vinyl aromatic monomers are prepared by conducting the polymerization in the presence of a catalytic amount of the reaction product of polymethylaluminoxane and a cyclopentadienyl/titanium complex. |
| 5015749 |
Preparation of polyhydrocarbyl-aluminoxanes |
May 14, 1991 |
| An improved process for the preparation of aluminoxanes comprising contacting an aluminoxane precursor such as a hydrocarbyl substituted aluminum compound with a porous organic or inorganic aqueous imbiber material containing water sorbed or imbibed therein. |
| 4808680 |
Polymerization of vinyl aromatic monomers using cyclopentadienyl zirconium catalysts |
February 28, 1989 |
| Polymers of vinyl aromatic monomers having a high degree of syndiotacticity are prepared by contacting with a catalyst comprising a cyclopentadienyl zirconium (IV) complex and polymethylaluminoxane under polymerization conditions. |
| 4774301 |
Zirconium containing catalysts and method of use |
September 27, 1988 |
| Polymers of vinyl aromatic monomers having a high degree of syndiotacticity are prepared by contacting with a catalyst comprising a zirconium (IV) complex and polymethylaluminoxane under polymerization conditions. |
| 4665046 |
Organoactinide polymer catalysts |
May 12, 1987 |
| The specification discloses pentaalkylcyclopentadienyl actinide complexes and their use as catalysts for polymerizing lower molecular weight alkenes. |
| 4659685 |
Heterogeneous organometallic catalysts containing a supported titanium compound and at least one |
April 21, 1987 |
| Catalyst compositions are disclosed which are a combination of a supported titanium compound such as titanium tetraisopropoxide supported on magnesium dichloride and at least one other supported metallic catalyst such as dicyclopentadienyl zirconium dichloride supported on alumina and a |
