Patents by Inventor Jerzy Klosin

Jerzy Klosin 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).

  • Publication number: 20090221770
    Abstract: Metal complexes comprising certain polydentate heteroatom containing ligands, catalysts, and coordination polymerization processes employing the same are suitably employed to prepare polymers having desirable physical properties.
    Type: Application
    Filed: December 8, 2006
    Publication date: September 3, 2009
    Inventors: Jerzy Klosin, Lily Ackerman, Xiaohong Bei, Gary M. Diamond, James Longmire, Vince Murphy, Victor Nava-Salgado, James A.W. Shoemaker
  • Patent number: 7220884
    Abstract: The present invention relates to a method comprising the step of contacting under hydroaminomethylation conditions, an olefin, an amine, a rhodium-phosphorous ligand, and synthesis gas (syngas). In particular, it has been discovered that, under some circumstances, a neutral rhodium-monodentate phosphite ligand is prescribed. The invention provides a simple way of making, in high yields and regiospecificity, a variety of products, including pharmacologically active products such as ibutilide, terfenadine, and fexofenadine, and derivatives thereof.
    Type: Grant
    Filed: January 21, 2005
    Date of Patent: May 22, 2007
    Assignee: Dow Global Technologies, Inc.
    Inventors: John R. Briggs, Gregory T. Whiteker, Jerzy Klosin
  • Patent number: 7189883
    Abstract: This invention relates to asymmetric hydroformylation processes in which a prochiral or chiral olefin is reacted with carbon monoxide and hydrogen in the presence of an optically active metal-ligand complex catalyst to produce an optically active aldehyde or a product derived from an optically active aldehyde.
    Type: Grant
    Filed: August 25, 2005
    Date of Patent: March 13, 2007
    Inventors: Clark Landis, Thomas P. Clark, Jerzy Klosin
  • Publication number: 20060069281
    Abstract: This invention relates to asymmetric hydroformylation processes in which a prochiral or chiral olefin is reacted with carbon monoxide and hydrogen in the presence of an optically active metal-ligand complex catalyst to produce an optically active aldehyde or a product derived from an optically active aldehyde.
    Type: Application
    Filed: August 25, 2005
    Publication date: March 30, 2006
    Inventors: Clark Landis, Thomas Clark, Jerzy Klosin
  • Patent number: 7015360
    Abstract: This invention relates to asymmetric hydroformylation (hf) processes in which a prochiral or chiral compound is contacted in the presence of an optically active metal-ligand complex catalyst to produce an optically active aldehyde or product derived from an optically active aldehyde. The invention encompasses novel ligands and catalysts for use in such processes.
    Type: Grant
    Filed: March 28, 2003
    Date of Patent: March 21, 2006
    Assignee: Dow Global Technologies, Inc.
    Inventors: Gregory Todd Whiteker, Jerzy Klosin, Kelli Jo Gardner
  • Publication number: 20050215825
    Abstract: The present invention relates to a method comprising the step of contacting under hydroaminomethylation conditions, an olefin, an amine, a rhodium-phosphorous ligand, and synthesis gas (syngas). In particular, it has been discovered that, under some circumstances, a neutral rhodium-monodentate phosphite ligand is prescribed. The invention provides a simple way of making, in high yields and regiospecificity, a variety of products, including pharmacologically active products such as ibutilide, terfenadine, and fexofenadine, and derivatives thereof.
    Type: Application
    Filed: January 21, 2005
    Publication date: September 29, 2005
    Inventors: John Briggs, Gregory Whiteker, Jerzy Klosin
  • Patent number: 6946531
    Abstract: Low molecular weight olefin polymers are prepared by a polymerization process employing titanium complexes comprising a 3-aryl-substituted cyclopentadienyl ring or substituted derivatives thereof as polymerization catalysts.
    Type: Grant
    Filed: September 18, 2003
    Date of Patent: September 20, 2005
    Assignee: Dow Global Technologies Inc.
    Inventors: David D. Graf, Jerzy Klosin, Timothy A. Herzog, Peter N. Nickias, Carlos G. Ortiz, Jorge Soto, Ravi B. Shankar, Daniel D. VanderLende
  • Patent number: 6825295
    Abstract: Group 4 metal complexes of the constrained geometry type, catalysts derived therefrom, and polymerization processes using the same, characterized by an alkaryl-substituted silane bridging group are disclosed.
    Type: Grant
    Filed: May 23, 2002
    Date of Patent: November 30, 2004
    Assignee: Dow Global Technologies Inc.
    Inventors: Jerzy Klosin, William J. Kruper, Jr., Peter N. Nickias, Gordon R. Roof, Jorge Soto, David D. Graf
  • Patent number: 6825147
    Abstract: Titanium complexes comprising a 3-aryl-substituted cyclopentadienyl ring or substituted derivative thereof and at least one additional aryl substituent on the cyclopentadienyl ring, polymerization catalysts, and olefin polymerization processes using the same are disclosed.
    Type: Grant
    Filed: April 15, 2002
    Date of Patent: November 30, 2004
    Assignee: Dow Global Technologies Inc.
    Inventors: Jerzy Klosin, Ravi B. Shankar, Shaoguang S. Feng, Francis J. Timmers
  • Patent number: 6806327
    Abstract: 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 both the cyclopentadienyl ring (1), and said one or more aromatic ring systems (3), and substituted in at least one ring position with a substituent group resulting in sp2 hybridization on the ring atom bonded thereto; polymerization catalysts; and olefin polymerization processes using the same are disclosed.
    Type: Grant
    Filed: April 16, 2002
    Date of Patent: October 19, 2004
    Assignee: Dow Global Technologies Inc.
    Inventors: Richard E. Campbell, Jr., Jerzy Klosin, Ravi B. Shankar, Francis J. Timmers, Robert K. Rosen, Shaoguang Feng
  • Publication number: 20040199023
    Abstract: This invention relates to asymmetric hydroformylation (hf) processes in which a prochiral or chiral compound is contacted in the presence of an optically active metal-ligand complex catalyst to produce an optically active aldehyde or product derived from an optically active aldehyde. The invention encompasses novel ligands and catalysts for use in such processes.
    Type: Application
    Filed: March 28, 2003
    Publication date: October 7, 2004
    Inventors: Gregory Todd Whiteker, Jerzy Klosin, Kelli Jo Gardner
  • Patent number: 6800701
    Abstract: 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, and (3) an aromatic ring, with the proviso that said 6, 7, or 8 membered ring (2), is fused to both the cyclopentadienyl ring (1), and the aromatic ring (3), polymerization catalysts, a process to prepare the novel compounds and complexes, and olefin polymerization processes using the same are disclosed.
    Type: Grant
    Filed: May 13, 2003
    Date of Patent: October 5, 2004
    Assignee: Dow Global Technologies Inc.
    Inventors: Richard E. Campbell, Jr., Jerzy Klosin, Ravi B. Shankar, Francis J. Timmers, Robert K. Rosen
  • Publication number: 20040092680
    Abstract: Low molecular weight olefin polymers are prepared by a polymerization process employing titanium complexes comprising a 3-aryl-substituted cyclopentadienyl ring or substituted derivatives thereof as polymerization catalysts.
    Type: Application
    Filed: September 18, 2003
    Publication date: May 13, 2004
    Inventors: David D. Graf, Jerzy Klosin, Timothy A. Herzog, Peter N. Nickias, Carlos G. Ortiz, Jorge Soto, Ravi B. Shankar, Daniel D. VanderLende
  • Publication number: 20030216529
    Abstract: 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, and (3) an aromatic ring, with the proviso that said 6, 7, or 8 membered ring (2), is fused to both the cyclopentadienyl ring (1), and the aromatic ring (3), polymerization catalysts, a process to prepare the novel compounds and complexes, and olefin polymerization processes using the same are disclosed.
    Type: Application
    Filed: May 13, 2003
    Publication date: November 20, 2003
    Inventors: Richard E. Campbell, Jerzy Klosin, Ravi B. Shankar, Francis J. Timmers, Robert K. Rosen
  • Patent number: 6646071
    Abstract: Metal complexes comprising an oxygen, sulfur, or nitrogen containing bridging group which are useful as catalyst components for the polymerization of olefins.
    Type: Grant
    Filed: September 6, 2001
    Date of Patent: November 11, 2003
    Assignee: The Dow Chemical Company
    Inventors: Jerzy Klosin, Peter N. Nickias
  • Patent number: 6617407
    Abstract: This invention relates to bis(N,N-dihydrocarbylamino)-substituted derivatives of cyclopentadienes (Cp) and metal complexes thereof which find utility as olefin polymerization catalyst components.
    Type: Grant
    Filed: September 7, 2001
    Date of Patent: September 9, 2003
    Assignee: The Dow Chemical Company
    Inventor: Jerzy Klosin
  • Patent number: 6613921
    Abstract: 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, and (3) an aromatic ring, with the proviso that said 6, 7, or 8 membered ring (2), is fused to both the cyclopentadienyl ring (1), and the aromatic ring (3), polymerization catalysts, a process to prepare the novel compounds and complexes, and olefin polymerization processes using the same are disclosed.
    Type: Grant
    Filed: June 12, 2001
    Date of Patent: September 2, 2003
    Assignee: Dow Global Technologies Inc.
    Inventors: Richard E. Campbell, Jr., Jerzy Klosin, Ravi B. Shankar, Francis J. Timmers, Robert K. Rosen
  • Patent number: 6555634
    Abstract: Novel metal complexes containing at least two heteroatoms attached to an indenyl or substituted indenyl radical which is bridged by ligand group thereby forming a covalent or coordinate/covalent bond to the metal, the use of such metal complexes in the formation of polymerization catalysts and processes for polymerizing &agr;-olefins using such catalysts.
    Type: Grant
    Filed: September 7, 2001
    Date of Patent: April 29, 2003
    Assignee: The Dow Chemical Company
    Inventors: Jerzy Klosin, William J. Kruper, Jr., Peter N. Nickias, Jasson T. Patton
  • Patent number: 6515155
    Abstract: Group 4 metal complexes of the constrained geometry type, catalysts derived therefrom and polymerization processes using the same, characterized by a nitrogen containing aliphatic or cycloaliphatic moiety that is substituted with one or more aryl groups, an aryl-substituted silane bridging group, or one or more Group 14 organometalloid substituted hydrocarbyl substituents on the metal.
    Type: Grant
    Filed: November 17, 2000
    Date of Patent: February 4, 2003
    Assignee: Dow Global TEchnologies Inc.
    Inventors: Jerzy Klosin, Peter N. Nickias, William J. Kruper, Jr., Gordon R. Roof, Jorge Soto
  • Publication number: 20030004286
    Abstract: Group 4 metal complexes of the constrained geometry type, catalysts derived therefrom, and polymerization processes using the same, characterized by an alkaryl-substituted silane bridging group are disclosed.
    Type: Application
    Filed: May 23, 2002
    Publication date: January 2, 2003
    Inventors: Jerzy Klosin, William J. Kruper, Peter N. Nickias, Gordon R. Roof, Jorge Soto, David D. Graf