| 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 |
| 7193024 |
Alpha-Olefin based branched polymer |
March 20, 2007 |
| A polymer comprising units (1) derived from an alpha-olefin having at least 3 carbon atoms (1'), units (2) derived from divinylbenzene or C.sub.1-10hydrocarbyl substituted derivatives thereof (2'), and units (3) derived from ethylene (3'), the polymer comprising at least 75 mole % of |
| 6891005 |
Bridged metal complexes for gas phase polymerizations |
May 10, 2005 |
| A gas phase olefin polymerization wherein the catalyst comprises a novel Group 4 transition metal complex containing a boron or aluminum bridging group containing a nitrogen containing group, especially an amido group. |
| 6825297 |
Transition metal complexes and olefin polymerization process |
November 30, 2004 |
| Metal complexes comprising a polydentate chelating group, catalysts and polymerization processes using the same for the polymerization of olefins, especially propylene, are disclosed. |
| 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 |
| 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. |
| 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. |
| 6476283 |
Hydrogenation of unsaturated polymers using divalent diene-containing bis-cyclopentadienyl group |
November 5, 2002 |
| Organic compounds are hydrogenated in the presence of certain bis(pentadienyl) divalent Group IV metal complexes having .pi.-bound, neutral, conjugated diene ligands. These complexes are effective hydrogenation catalysts for polymers containing ethylenic unsaturation. They further pr |
| 6465384 |
Biscyclopentadienyl diene complexes |
October 15, 2002 |
| Biscyclopentadienyl, Group 4 transition metal complexes formed with conjugated dienes wherein the diene is bound to the transition metal either in the form of a .sigma.-complex or a .pi.-complex in combination with strong Lewis acids, Bronsted acid salts, carbenium ion salts, salts c |
| 6376406 |
Catalyst compositions comprising bridged metal complexes and an activating cocatalyst |
April 23, 2002 |
| A catalyst and process of polymerizing olefins using it are described, the catalyst comprising a cocatalyst and a metal complex preferably of the formulas 4-9, ##STR1##wherein M is a group 4 metal, Z is a boron atom, and T is one of ##STR2## |
| 6365779 |
Boratabenzene cocatalyst with metallocene catalyst |
April 2, 2002 |
| Fluorohydrocarbyl substituted boratabenzene compounds, especially perfluorophenyl substituted boratabenzene compounds, are useful olefin polymerization cocatalysts with metallocenes. |
| 6355818 |
Heterocyclic metal complexes and olefin polymerization process |
March 12, 2002 |
| Racemic isomers of metal complexes of Groups 3, 4 or the Lanthanides, addition polymerization catalysts containing the same and olefin polymerization processes using the same comprising a boratabenzene group or divalent derivative thereof are disclosed. |
| 6284905 |
Bridged metal complexes |
September 4, 2001 |
| A Group 4 transition metal complex containing a boron or aluminum bridging group containing a nitrogen containing electron donating group, especially an amido group. |
| 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 |
| 6255246 |
Boratabenzene cocatalyst with metallocene catalyst |
July 3, 2001 |
| Boratabenzene cocatalysts, especially novel pentafluorophenyl boratabenzenes, are useful cocatalysts or activators with metallocenes. They are less expensive than prior art activators, are soluble and offer more irreversible reactions. Compositions comprise at least one metallocene c |
| 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 |
| 6118013 |
Preparation of addition polymerization catalysts |
September 12, 2000 |
| Metal complexes useful as components of addition polymerization catalysts are prepared by oxidizing Group 4 or Lanthanide metal containing complexes using an organic halide oxidizing agent in a unique one electron oxidation. |
| 6107421 |
Heterocyclic metal complexes and olefin polymerization process |
August 22, 2000 |
| Metal complexes, addition polymerization catalysts containing the same and olefin polymerization processes using the same comprising a boratabenzene group or divalent derivative thereof are disclosed. |
| 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 |
| 5994255 |
Allyl containing metal complexes and olefin polymerization process |
November 30, 1999 |
| Catalysts for olefin polymeriztion comprising metal complexes corresponding to the formula: ##STR1## or a dimer, solvated adduct, chelated derivative or mixture thereof, wherein:L is a cyclic group or Y*, that is bound to M by means of a delocalized .pi.-bond, said group containi |
| 5972822 |
Biscyclopentadienyldiene complex containing addition polymerization catalysts |
October 26, 1999 |
| Catalysts for polymerizing olefins, diolefins and/or acetylenically unsaturated monomers comprising biscyclopentadienyl, Group 4 transition metal complexes formed with conjugated dienes wherein the diene is bound to the transition metal either in the form of a .sigma.-complex or a .p |
| 5770538 |
Group 4 metal diene complexes and addition polymerization catalysts therefrom |
June 23, 1998 |
| Novel Group 4 metal complexes containing one and only one cyclic delocalized, anionic, .pi.-bonded group wherein the metal is in the +4 formal oxidation state and having a bridged ligand structure, also referred to as constrained geometry complexes and a conjugated diene divalent ani |
| 5723398 |
Homogeneous, stabilized, reduced metal addition polymerization catalysts, process for preparatio |
March 3, 1998 |
| Addition polymerization catalysts-comprising 1) a Group 4 metal complex in the .sup.+ 3 oxidation state containing two delocalized .pi.-bonding moieties, and a stabilizing ligand covalently bonded to the metal and also datively bonded to the metal via lone pair electrons of an amine, |
| 5679816 |
Preparation of biscyclopentadienyl diene complexes |
October 21, 1997 |
| Biscyclopentadienyl, Group 4 transition metal complexes containing a conjugated diene ligand group wherein the diene is bound to the transition metal either in the form of .sigma.-complex or a .pi.-complex are readily prepared by reacting in any order:a) a Group 4 metal salt correspondin |
| 5646084 |
Polymerization process using diene containing catalysts |
July 8, 1997 |
| Compositions comprising Group 4 metal complexes containing a diene moiety and activating cocatalysts are used as catalysts for polymerizing olefins, diolefins and/or acetylenically unsaturated monomers. Vinylidene aromatic monomers, particularly styrene are polymerized to form highly syn |
| 5625087 |
Silylium cationic polymerization activators for metallocene complexes |
April 29, 1997 |
| Catalyst systems useful in addition polymerization reactions comprising a Group 4 metal complex and a silylium salt activating cocatalyst are prepared by contacting the metal complex with a silylium salt of a compatible, non-coordinating anion, optionally the silylium salt is prepare |
| 5624878 |
Titanium (II) or zirconium (II) complexes and addition polymerization catalysts therefrom |
April 29, 1997 |
| Novel catalytic derivatives of titanium or zirconium complexes containing one and only one cyclic delocalized, anionic, .PI.-bonded group wherein the metal is in the +2 formal oxidation state and having a bridged ligand structure and an activating cocatalyst are useful as catalysts for |
| 5616664 |
Polymerization process with biscyclopentadienyl diene complex containing catalysts |
April 1, 1997 |
| Olefins are polymerized by the use of catalysts comprising biscyclopentadienyl, Group 4 transition metal complexes formed with conjugated dienes wherein the diene is bound to the transition metal either in the form of a .sigma.-complex or a .pi.-complex in combination with activating |
| 5556928 |
Titanium (II) or Zirconium (II) complexes and addition polymerization catalysts therefrom |
September 17, 1996 |
| A process for polymerizing olefins, diolefins and/or acetylenically unsaturated monomers using novel catalyst compositions comprising titanium or zirconium complexes containing one and only one cyclic delocalized, anionic, .pi.-bonded group wherein the metal is in the +2 formal oxidation |
| 5543480 |
Polymerization process using diene containing catalysts |
August 6, 1996 |
| Compositions comprising Group 4 metal complexes containing a diene moiety and activating cocatalysts are used as catalysts for polymerizing olefins, diolefins and/or acetylenically unsaturated monomers. Vinylidene aromatic monomers, particularly styrene are polymerized to form highly syn |
| 5539068 |
Group 4, metal-conjugated diene metallocyclopentene complexes, and addition polymerization catal |
July 23, 1996 |
| Novel Group 4 metal complexes containing one and only one cyclic delocalized, anionic, .pi.-bonded group wherein the metal is in the +4 formal oxidation state and having a bridged ligand structure, also referred to as constrained geometry complexes and a conjugated diene divalent ani |
| 5532394 |
Addition polymerization catalysts comprising reduced oxidation state metal complexes |
July 2, 1996 |
| Metal complexes useful in the formation of addition polymerization catalysts of the formula: ##STR1## wherein Cp"' is a cyclopentadienyl group or substituted derivative thereof;Z is a divalent moiety comprising oxygen, nitrogen, phosphorous, boron or a member of Group 4 of the Pe |
| 5527929 |
Zwitterionic biscyclopentadienyl complexes |
June 18, 1996 |
| Zwitterionic biscyclopentadienyl, Group 4 transition metal complexes formed with conjugated dienes useful as catalysts for polymerizing olefins, diolefins and/or acetylenically unsaturated monomers. |
| 5494874 |
Homogenous, stabilized, reduced metal addition polymerization catalysts, process for preparation |
February 27, 1996 |
| Complexes useful as addition polymerization catalysts, a process for their manufacture and addition polymerization processes wherein the complex comprises a Group 4 metal in the .sup.+ 3 oxidation state, a delocalized n-bonding moiety, and at least one stabilizing ligand. |
| 5491246 |
Synthesis of group 4 metal diene complexes |
February 13, 1996 |
| A process for preparing titanium or zirconium diene complexes wherein the metal is in the +2 formal oxidation state comprising contacting a conjugated or nonconjugated C.sub.4-40 diene compound with a hydrocarbyloxide containing precursor complex. |
| 5486632 |
Group 4 metal diene complexes and addition polymerization catalysts therefrom |
January 23, 1996 |
| Novel Group 4 metal complexes containing one and only one cyclic delocalized, anionic, .pi.-bonded group wherein the metal is in the +4 formal oxidation state and having a bridged ligand structure, also referred to as constrained geometry complexes and a conjugated diene divalent ani |
| 5470993 |
Titanium(II) or zirconium(II) complexes and addition polymerization catalysts therefrom |
November 28, 1995 |
| Novel titanium or zirconium complexes containing one and only one cyclic delocalized, anionic, .pi.-bonded group wherein the metal is in the +2 formal oxidation state and having a bridged ligand structure, also referred to as constrained geometry complexes; catalytic derivatives of s |
| 5425872 |
Electrochemical preparation of addition polymerization catalysts |
June 20, 1995 |
| Group 4 metal complexes useful as addition polymerization catalysts are prepared by electrolysis of cyclopentadienyl metal complexes under inert electrolysis conditions. |
| 5374696 |
Addition polymerization process using stabilized reduced metal catalysts |
December 20, 1994 |
| Complexes useful as addition polymerization catalysts, a process for their manufacture and addition polymerization processes wherein the complex comprises a Group 4 metal in the .sup.+ 3 oxidation state, a delocalized .pi.-bonding moiety, and at least one stabilizing ligand. |
| 5372682 |
Electrochemical preparation of addition polymerization catalysts |
December 13, 1994 |
| Group 4 metal complexes useful as addition polymerization catalysts are prepared by electrolysis of cyclopentadienyl metal complexes under inert electrolysis conditions. |
| 5347024 |
Preparation of addition polymerization catalysts via Lewis acid mitigated metal center oxidation |
September 13, 1994 |
| Addition polymerization catalysts comprising a derivative of a titanium or zirconium in the +4 oxidation state prepared by metal center oxidation and cation complex formation of a reduced metal precursor complex via electron transfer in a single step by use of a neutral organic oxidant, |
| 5231061 |
Process for making coated ceramic reinforcement whiskers |
July 27, 1993 |
| A ceramic whisker body is disclosed which is coated with an oxide or non-oxide ceramic coating which is uniform, continuous, non-particulate and when the whisker is incorporated into a whisker reinforced ceramic matrix composite, the ceramic coating inhibits fusing between the whisker |
