Patents by Inventor Anne M. LaPointe

Anne M. LaPointe has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Bridged bi-aromatic ligands, catalysts, processes for polymerizing and polymers therefrom
    Patent number: 7126031
    Abstract: New ligands and compositions with bridged bis-aromatic ligands are disclosed that catalyze the polymerization of monomers into polymers. These catalysts with metal centers have high performance characteristics, including higher comonomer incorporation into ethylene/olefin copolymers, where such olefins are for example, 1-octene, propylene or styrene. The catalysts also polymerize propylene into isotactic polypropylene.
    Type: Grant
    Filed: September 30, 2004
    Date of Patent: October 24, 2006
    Assignee: Symyx Technologies, Inc.
    Inventors: Thomas R. Boussie, Oliver Brümmer, Gary M. Diamond, Christopher Goh, Anne M. LaPointe, Margaret K. Leclerc, James A. W. Shoemaker
  • Titanium substituted pyridyl amine complexes, catalysts and processes for polymerizing ethylene and stryene
    Patent number: 7122689
    Abstract: New compositions, titanium-ligand complexes and arrays with pyridyl-amine ligands are disclosed that catalyze the polymerization of monomers into polymers. These catalysts with titanium metal centers have high performance characteristics, including high styrene incorporation into ethylene/styrene copolymers.
    Type: Grant
    Filed: November 4, 2002
    Date of Patent: October 17, 2006
    Assignee: Symyx Technologies, Inc.
    Inventors: Thomas R. Boussie, Gary M. Diamond, Christopher Goh, Anne M. LaPointe, Margarete K. Leclerc, Cheryl Lund
  • Bridged bi-aromatic catalysts, complexes, and methods of using the same
    Patent number: 7091292
    Abstract: Ligands, compositions, metal-ligand complexes and arrays with substituted bridged bis-biaromatic ligands, and methods of making and using the same, are disclosed that are useful in the catalysis of transformations such as the polymerization of monomers into polymers. The catalysts have high performance characteristics, including higher comonomer incorporation into ethylene/olefin copolymers, where such olefins are for example, 1-octene, propylene or styrene. The catalysts also polymerize propylene into isotactic polypropylene.
    Type: Grant
    Filed: April 28, 2005
    Date of Patent: August 15, 2006
    Assignee: Symyx Technologies, Inc.
    Inventors: Thomas Boussie, Oliver Bruemmer, Gary M. Diamond, Anne M. LaPointe, Margarete K. Leclerc, Cynthia Micklatcher, Pu Sun, Xiaohong Bei
  • Substituted pyridyl amine catalysts and processes for polymerizing crystalline polymers
    Patent number: 7087690
    Abstract: New ligands, compositions, metal-ligand complexes and arrays with pyridyl-amine ligands are disclosed that catalyze the polymerization of monomers into polymers. Certain of these catalysts with hafnium metal centers have high performance characteristics, including higher comonomer incorporation into ethylene/olefin copolymers, where such olefins are for example, 1-octene, isobutylene or styrene. Certain of the catalysts are particularly effective at polymerizing propylene to high molecular weight isotactic polypropylene in a solution process at a variety of polymerization conditions.
    Type: Grant
    Filed: November 25, 2003
    Date of Patent: August 8, 2006
    Assignee: Symyx Technologies, Inc.
    Inventors: Thomas R. Boussie, Gary M. Diamond, Christopher Goh, Keith A. Hall, Anne M. Lapointe, Margarete K. Leclerc, Cheryl Lund, Vince Murphy
  • Styrene polymers and phenol-triazole type complexes, catalysts, and processes for polymerizing
    Patent number: 7074870
    Abstract: Metal-ligand complexes that are useful as precursors to catalysts for the polymerization of olefins are provided. Certain of the catalysts are particularly effective at polymerizing ethylene and styrene into copolymers having novel properties, including a low molecular weight and close comparison between vinyl and methyl end groups.
    Type: Grant
    Filed: September 23, 2005
    Date of Patent: July 11, 2006
    Assignee: Symyx Technologies, Inc.
    Inventors: Oliver Brümmer, Gary M. Diamond, Christopher Goh, Anne M. LaPointe, Margarete K. Leclerc, James Longmire, James A. W. Shoemaker
  • Bridged bi-aromatic catalysts, complexes, and methods of using the same
    Patent number: 7060848
    Abstract: Ligands, compositions, metal-ligand complexes and arrays with substituted bridged bis-biaromatic ligands, and methods of making and using the same, are disclosed that are useful in the catalysis of transformations such as the polymerization of monomers into polymers, The catalysts have high performance characteristics, including higher comonomer incorporation into ethylene/olefin copolymers, where such olefins are for example, 1-octene, propylene or styrene. The catalysts also polymerize propylene into isotactic polypropylene.
    Type: Grant
    Filed: April 28, 2005
    Date of Patent: June 13, 2006
    Assignee: Symyx Technologies, Inc.
    Inventors: Thomas Boussie, Gary M. Diamond, Anne M. LaPointe, Margarete K. Leclerc, Cynthia Micklatcher, Pu Sun, Xiaohong Bei
  • Bridged bi-aromatic ligands, catalysts, processes for polymerizing and polymers therefrom
    Patent number: 7030256
    Abstract: New ligands, compositions, metal-ligand complexes and arrays with bridged bis-aromatic ligands are disclosed that catalyze the polymerization of monomers into polymers. These catalysts with metal centers have high performance characteristics, including higher comonomer incorporation into ethylene/olefin copolymers, where such olefins are for example, 1-octene, propylene or styrene. The catalysts also polymerize propylene into isotactic polypropylene.
    Type: Grant
    Filed: January 12, 2005
    Date of Patent: April 18, 2006
    Assignee: Symyx Technologies, Inc.
    Inventors: Thomas R. Boussie, Gary M. Diamond, Christopher Goh, Anne M. LaPointe, Margarete K. Leclerc, James A. W. Shoemaker
  • Substituted pyridyl amine catalysts and processes for polymerizing and polymers
    Patent number: 7018949
    Abstract: New ligands, compositions, metal-ligand complexes and arrays with pyridyl-amine ligands are disclosed that catalyze the polymerization of monomers into polymers. Certain of these catalysts with hafnium metal centers have high performance characteristics, including higher comonomer incorporation into ethylene/olefin copolymers, where such olefins are for example, 1-octene, isobutylene or styrene. Certain of the catalysts are particularly effective at polymerizing propylene to high molecular weight isotactic polypropylene in a solution process at a variety of polymerization conditions.
    Type: Grant
    Filed: December 31, 2003
    Date of Patent: March 28, 2006
    Assignee: Symyx Technologies, Inc.
    Inventors: Thomas R. Boussie, Gary M. Diamond, Christopher Goh, Keith A. Hall, Anne M. LaPointe, Margarete K. Leclerc, Cheryl Lund, Vince Murphy
  • Ethylene-styrene copolymers and phenol-triazole type complexes, catalysts, and processes for polymerizing
    Patent number: 6965004
    Abstract: Metal-ligand complexes that are useful as precursors to catalysts for the polymerization of olefins are provided. Certain of the catalysts are particularly effective at polymerizing ethylene and styrene into copolymers having novel properties, including a low molecular weight and close comparison between vinyl and methyl end groups.
    Type: Grant
    Filed: May 20, 2004
    Date of Patent: November 15, 2005
    Assignee: Symyx Technologies, Inc.
    Inventors: Oliver Brümmer, Gary M. Diamond, Christopher Goh, Anne M. LaPointe, Margarete K. Leclerc, James Longmire, James A. W. Shoemaker
  • Ethylene-styrene copolymers and phenol-triazole type complexes, catalysts, and processes for polymerizing
    Patent number: 6933355
    Abstract: Metal-ligand complexes that are useful as precursors to catalysts for the polymerization of olefins are provided. Certain of the catalysts are particularly effective at polymerizing ethylene and styrene into copolymers having novel properties, including a low molecular weight and close comparison between vinyl and methyl end groups.
    Type: Grant
    Filed: May 20, 2004
    Date of Patent: August 23, 2005
    Assignee: Symyx Technologies, Inc.
    Inventors: Oliver Brümmer, Gary M. Diamond, Christopher Goh, Anne M. LaPointe, Margarete K. Leclerc, James Longmire, James A. W. Shoemaker
  • Substituted pyridyl amine complexes, and catalysts
    Patent number: 6900321
    Abstract: New ligands, compositions, metal-ligand complexes and arrays with pyridylamine ligands are disclosed that catalyze the polymerization of monomers into polymers. Certain of these catalysts with hafnium metal centers have high performance characteristics, including higher comonomer incorporation into ethylene/olefin copolymers, where such olefins are for example, 1-octene, isobutylene or styrene. Certain of the catalysts are particularly effective at polymerizing propylene to high molecular weight isotactic polypropylene in a solution process at a variety of polymerization conditions.
    Type: Grant
    Filed: November 6, 2001
    Date of Patent: May 31, 2005
    Assignee: Symyx Technologies, Inc.
    Inventors: Thomas R. Boussie, Gary M. Diamond, Christopher Goh, Keith A. Hall, Anne M. LaPointe, Margarete K. Leclerc, Cheryl Lund, Vince Murphy
  • Bridged bi-aromatic ligands, catalysts, processes for polymerizing and polymers therefrom
    Patent number: 6897276
    Abstract: New ligands, compositions, metal-ligand complexes and arrays with bridged bis-aromatic ligands are disclosed that catalyze the polymerization of monomers into polymers. These catalysts with metal centers have high performance characteristics, including higher comonomer incorporation into ethylene/olefin copolymers, where such olefins are for example, 1-octene, propylene or styrene. The catalysts also polymerize propylene into isotactic polypropylene.
    Type: Grant
    Filed: April 23, 2003
    Date of Patent: May 24, 2005
    Assignee: Symyx Technologies, Inc.
    Inventors: Thomas R. Boussie, Gary M. Diamond, Christopher Goh, Anne M. LaPointe, Margarete K. Leclerc, James A. W. Shoemaker
  • Bridged bi-aromatic ligands, catalysts, processes for polymerizing and polymers therefrom
    Patent number: 6869904
    Abstract: New ligands, compositions, metal-ligand complexes and arrays with bridged bis-aromatic ligands are disclosed that catalyze the polymerization of monomers into polymers. These catalysts with metal centers have high performance characteristics, including higher comonomer incorporation into ethylene/olefin copolymers, where such olefins are for example, 1-octene, propylene or styrene. The catalysts also polymerize propylene into isotactic polypropylene.
    Type: Grant
    Filed: April 23, 2003
    Date of Patent: March 22, 2005
    Assignee: Symyx Technologies, Inc.
    Inventors: Thomas R. Boussie, Gary M. Diamond, Christopher Goh, Anne M. LaPointe, Margaret K. Leclerc, James A. W. Shoemaker
  • Bridged bi-aromatic ligands, catalysts, processes for polymerizing and polymers therefrom
    Patent number: 6841502
    Abstract: New ligands and compositions with bridged bis-aromatic ligands are disclosed that catalyze the polymerization of monomers into polymers. These catalysts with metal centers have high performance characteristics, including higher comonomer incorporation into ethylene/olefin copolymers, where such olefins are for example, 1-octene, propylene or styrene. The catalysts also polymerize propylene into isotactic polypropylene.
    Type: Grant
    Filed: April 23, 2003
    Date of Patent: January 11, 2005
    Assignee: Symyx Technologies, Inc.
    Inventors: Thomas R. Boussie, Oliver Brümmer, Gary M. Diamond, Christopher Goh, Anne M. LaPointe, Margarete K. Leclerc, James A. W. Shoemaker
  • Methods of copolymerizing ethylene and isobutylene and polymers made thereby
    Patent number: 6828397
    Abstract: New ligands, compositions, metal-ligand complexes and arrays with pyridyl-amine ligands are disclosed that catalyze the polymerization of monomers into polymers. Certain of these catalysts with hafnium metal centers have high performance characteristics, including higher comonomer incorporation into ethylene/olefin copolymers, where such olefins are for example, 1-octene, isobutylene or styrene. Certain of the catalysts are particularly effective at polymerizing propylene to high molecular weight isotactic polypropylene in a solution process at a variety of polymerization conditions.
    Type: Grant
    Filed: November 6, 2001
    Date of Patent: December 7, 2004
    Assignee: Symyx Technologies, Inc.
    Inventors: Thomas R. Boussie, Gary M. Diamond, Christopher Goh, Keith A. Hall, Anne M. LaPointe, Margarete K. Leclerc, Cheryl Lund, Vince Murphy
  • Ethylene-styrene copolymers and phenol-triazole type complexes, catalysts, and processes for polymerizing
    Publication number: 20040214717
    Abstract: Metal-ligand complexes that are useful as precursors to catalysts for the polymerization of olefins are provided. Certain of the catalysts are particularly effective at polymerizing ethylene and styrene into copolymers having novel properties, including a low molecular weight and close comparison between vinyl and methyl end groups.
    Type: Application
    Filed: May 20, 2004
    Publication date: October 28, 2004
    Applicant: Symyx Technologies, Inc.
    Inventors: Oliver Brummer, Gary M. Diamond, Christopher Goh, Anne M. LaPointe, Margarete K. Leclerc, James Longmire, James A.W. Shoemaker
  • Ethylene-styrene copolymers and phenol-triazole type complexes, catalysts, and processes for polymerizing
    Publication number: 20040214714
    Abstract: Metal-ligand complexes that are useful as precursors to catalysts for the polymerization of olefins are provided. Certain of the catalysts are particularly effective at polymerizing ethylene and styrene into copolymers having novel properties, including a low molecular weight and close comparison between vinyl and methyl end groups.
    Type: Application
    Filed: May 20, 2004
    Publication date: October 28, 2004
    Applicant: Symyx Technologies, Inc.
    Inventors: Oliver Brummer, Gary M. Diamond, Christopher Goh, Anne M. LaPointe, Margarete K. Leclerc, James Longmire, James A.W. Shoemaker
  • Substituted pyridyl amine catalysts and processes for polymerizing and polymers
    Publication number: 20040209765
    Abstract: New ligands, compositions, metal-ligand complexes and arrays with pyridyl-amine ligands are disclosed that catalyze the polymerization of monomers into polymers. Certain of these catalysts with hafnium metal centers have high performance characteristics, including higher comonomer incorporation into ethylene/olefin copolymers, where such olefins are for example, 1-octene, isobutylene or styrene. Certain of the catalysts are particularly effective at polymerizing propylene to high molecular weight isotactic polypropylene in a solution process at a variety of polymerization conditions.
    Type: Application
    Filed: December 31, 2003
    Publication date: October 21, 2004
    Applicant: Symyx Technologies, Inc.
    Inventors: Thomas R. Boussie, Gary M. Diamond, Christopher Goh, Keith A. Hall, Anne M. Lapointe, Margarete K. Leclerc, Cheryl Lund, Vince Murphy
  • Ethylene-styrene copolymers and phenol-triazole type complexes, catalysts, and processes for polymerizing
    Patent number: 6794514
    Abstract: Metal-ligand complexes that are useful as precursors to catalysts for the polymerization of olefins are provided. Certain of the catalysts are particularly effective at polymerizing ethylene and styrene into copolymers having novel properties, including a low molecular weight and close comparison between vinyl and methyl end groups.
    Type: Grant
    Filed: April 12, 2002
    Date of Patent: September 21, 2004
    Assignee: Symyx Technologies, Inc.
    Inventors: Oliver Brümmer, Gary M. Diamond, Christopher Goh, Anne M. LaPointe, Margarete K. Leclerc, James A. W. Shoemaker
  • Substituted pyridyl amine catalysts and processes for polymerizing crystalline polymers
    Publication number: 20040122247
    Abstract: New ligands, compositions, metal-ligand complexes and arrays with pyridyl-amine ligands are disclosed that catalyze the polymerization of monomers into polymers. Certain of these catalysts with hafnium metal centers have high performance characteristics, including higher comonomer incorporation into ethylene/olefin copolymers, where such olefins are for example, 1-octene, isobutylene or styrene. Certain of the catalysts are particularly effective at polymerizing propylene to high molecular weight isotactic polypropylene in a solution process at a variety of polymerization conditions.
    Type: Application
    Filed: November 25, 2003
    Publication date: June 24, 2004
    Applicant: SYMYX TECHNOLOGIES, INC.
    Inventors: Thomas R. Boussie, Gary M. Diamond, Christopher Goh, Keith A. Hall, Anne M. Lapointe, Margarete K. Leclerc, Cheryl Lund, Vince Murphy