Patents by Inventor Steven K. Ackerman

Steven K. Ackerman 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).

  • CONTINUITY ADDITIVES AND THEIR USE IN POLYMERIZATION PROCESSES
    Publication number: 20110077370
    Abstract: The invention relates to catalyst compositions including at least one catalyst compound and at least one continuity additive such as poly-oxo-metal carboxylate compound and their use in the polymerization of olefins.
    Type: Application
    Filed: October 9, 2008
    Publication date: March 31, 2011
    Applicant: Univation Technologies, LLC
    Inventors: Agapios K. Agapiou, Chi-i Kuo, David M. Glowczwski, Steven K. Ackerman, Michael D. Awe, Ghanshyam R. Patel
  • Ziegler-type catalysts having increased productivity
    Patent number: 7582711
    Abstract: The present invention relates to catalyst systems for polyolefin production, and more particularly, to catalyst systems for polyolefins used in producing films.
    Type: Grant
    Filed: February 21, 2006
    Date of Patent: September 1, 2009
    Assignee: Univation Technologies, LLC
    Inventors: Chi-I Kuo, Steven K. Ackerman
  • Ziegler-Type Catalysts Having Increased Productivity
    Publication number: 20080194780
    Abstract: The present invention relates to catalyst systems for polyolefin production, and more particularly, to catalyst systems for polyolefins used in producing films.
    Type: Application
    Filed: February 21, 2006
    Publication date: August 14, 2008
    Applicant: UNIVATION TECHNOLOGIES, LLC
    Inventors: Chi-I Kuo, Steven K. Ackerman
  • Catalyst composition and methods for its preparation and use in a polymerization process
    Patent number: 7001961
    Abstract: The present invention relates to a catalyst composition and a method for making the catalyst composition which comprises a polymerization catalyst and at least one gelling agent. The invention is also directed to the use of the catalyst composition in the polymerization of olefin(s). In particular, the polymerization catalyst system is supported on a carrier.
    Type: Grant
    Filed: June 6, 2005
    Date of Patent: February 21, 2006
    Assignee: Univation Technologies, LLC
    Inventors: Agapios Kyriacos Agapiou, Chi-I Kuo, David M. Glowczwski, Steven K. Ackerman
  • Bimodal polyolefin production process and films therefrom
    Patent number: 6943134
    Abstract: A process of producing a bimodal polyolefin composition is described, which includes in one embodiment contacting monomers with a supported bimetallic catalyst composition for a time sufficient to form a bimodal polyolefin composition that includes a high molecular weight polyolefin component and a low molecular weight polyolefin component; wherein the supported bimetallic catalyst includes a first catalyst component that is preferably non-metallocene, and a second catalyst component that includes a metallocene catalyst compound having at least one fluoride or fluorine containing leaving group, wherein the bimetallic catalyst is supported by an enhanced silica, dehydrated at a temperature of 800° C. or more in one embodiment.
    Type: Grant
    Filed: September 20, 2004
    Date of Patent: September 13, 2005
    Assignee: Univation Technologies, LLC
    Inventors: Chi-I Kuo, G. McCullough Laughlin, Pradeep Pandurang Shirodkar, Fred David Ehrman, Porter Shannon, Robert Lynn Santana, Steven K. Ackerman, Daniel Gerard O'Neil
  • Catalyst composition and methods for its preparation and use in a polymerization process
    Patent number: 6933258
    Abstract: The present invention relates to a catalyst composition and a method for making the catalyst composition which comprises a polymerization catalyst and at least one gelling agent. The invention is also directed to the use of the catalyst composition in the polymerization of olefin(s). In particular, the polymerization catalyst system is supported on a carrier.
    Type: Grant
    Filed: November 15, 2001
    Date of Patent: August 23, 2005
    Assignee: Univation Technologies, L.L.C.
    Inventors: Agapios Kyriacos Agapiou, Chi-I Kuo, David M. Glowczwski, Steven K. Ackerman
  • Bimodal polyolefin production process and films therefrom
    Patent number: 6875828
    Abstract: A process of producing a bimodal polyolefin composition is described, which includes in one embodiment contacting monomers with a supported bimetallic catalyst composition for a time sufficient to form a bimodal polyolefin composition that includes a high molecular weight polyolefin component and a low molecular weight polyolefin component; wherein the supported bimetallic catalyst includes a first catalyst component that is preferably non-metallocene, and a second catalyst component that includes a metallocene catalyst compound having at least one fluoride or fluorine containing leaving group, wherein the bimetallic catalyst is supported by an enhanced silica, dehydrated at a temperature of 800° C. or more in one embodiment.
    Type: Grant
    Filed: February 18, 2003
    Date of Patent: April 5, 2005
    Assignee: Univation Technologies, LLC
    Inventors: Chi-I Kuo, G. McCullough Laughlin, Pradeep Pandurang Shirodkar, Fred David Ehrman, Porter Shannon, Robert Lynn Santana, Steven K. Ackerman, Daniel Gerard O'Neil
  • Bimodal polyolefin production process and films therefrom
    Publication number: 20040044154
    Abstract: A process of producing a bimodal polyolefin composition is described, which includes in one embodiment contacting monomers with a supported bimetallic catalyst composition for a time sufficient to form a bimodal polyolefin composition that includes a high molecular weight polyolefin component and a low molecular weight polyolefin component; wherein the supported bimetallic catalyst includes a first catalyst component that is preferably non-metallocene, and a second catalyst component that includes a metallocene catalyst compound having at least one fluoride or fluorine containing leaving group, wherein the bimetallic catalyst is supported by an enhanced silica, dehydrated at a temperature of 800° C. or more in one embodiment.
    Type: Application
    Filed: February 18, 2003
    Publication date: March 4, 2004
    Inventors: Chi-I Kuo, G. McCullough Laughlin, Pradeep Pandurang Shirodkar, Fred David Ehrman, Porter Clarke Shannon, Robert Lynn Santana, Steven K. Ackerman, Daniel Gerard O'Neil
  • Method for preparing a supported catalyst system and its use in a polymerization process
    Patent number: 6680276
    Abstract: The present invention relates to a composition of a carboxylate metal salt in combination with a heated polymerization catalyst to improve the flowability and operability of the catalyst. The invention also relates to methods for preparing the catalyst composition and to its use in a polymerization process.
    Type: Grant
    Filed: April 24, 2003
    Date of Patent: January 20, 2004
    Assignee: Univation Technologies, LLC
    Inventors: Chi-I Kuo, Agapios K. Agapiou, Steven K. Ackerman, Simon X. Zhang
  • METHOD FOR PREPARING A SUPPORTED CATALYST SYSTEM AND ITS USE IN A POLYMERIZATION PROCESS
    Publication number: 20030211932
    Abstract: The present invention relates to a composition of a carboxylate metal salt in combination with a heated polymerization catalyst to improve the flowability and operability of the catalyst. The invention also relates to methods for preparing the catalyst composition and to its use in a polymerization process.
    Type: Application
    Filed: April 24, 2003
    Publication date: November 13, 2003
    Inventors: Chi-I Kuo, Agapios K. Agapiou, Steven K. Ackerman, Simon X. Zhang
  • Method for preparing a supported catalyst system and its use in a polymerization process
    Patent number: 6593267
    Abstract: The present invention relates to a composition of a carboxylate metal salt in combination with a heated polymerization catalyst to improve the flowability and operability of the catalyst. The invention also relates to methods for preparing the catalyst composition and to its use in a polymerization process.
    Type: Grant
    Filed: October 31, 2001
    Date of Patent: July 15, 2003
    Assignee: Univation Technologies, LLC
    Inventors: Chi-I Kuo, Agapios K. Agapiou, Steven K. Ackerman, Simon X. Zhang
  • Method for preparing a supported catalyst system and its use in a polymerization process
    Publication number: 20020161145
    Abstract: The present invention relates to a composition of a carboxylate metal salt in combination with a heated polymerization catalyst to improve the flowability and operability of the catalyst. The invention also relates to methods for preparing the catalyst composition and to its use in a polymerization process.
    Type: Application
    Filed: October 31, 2001
    Publication date: October 31, 2002
    Inventors: Chi-I Kuo, Agapios K. Agapiou, Steven K. Ackerman, Simon X. Zhang
  • Catalyst composition and methods for its preparation and use in a polymerization process
    Publication number: 20020111264
    Abstract: The present invention relates to a catalyst composition and a method for making the catalyst composition which comprises a polymerization catalyst and at least one gelling agent. The invention is also directed to the use of the catalyst composition in the polymerization of olefin(s). In particular, the polymerization catalyst system is supported on a carrier.
    Type: Application
    Filed: November 15, 2001
    Publication date: August 15, 2002
    Inventors: Agapios Kyriacos Agapiou, Chi-I Kuo, David M. Glowczwski, Steven K. Ackerman
  • Method for preparing a supported catalyst system and its use in a polymerization process
    Publication number: 20020103076
    Abstract: The present invention relates to a supported catalyst composition and a method for making the supported catalyst composition and its use in a process for polymerizing olefin(s). In particular, the invention is directed to a method for making a supported catalyst composition by combining a heated bulky ligand metallocene-type catalyst system with a carrier or an optionally heated carrier.
    Type: Application
    Filed: December 21, 2001
    Publication date: August 1, 2002
    Inventors: Agapios K. Agapiou, Chi-I Kuo, David M. Glowczwski, Steven K. Ackerman
  • Method for preparing a supported catalyst system and its use in a polymerization process
    Patent number: 6346586
    Abstract: The present invention relates to a supported catalyst composition and a method for making the supported catalyst composition and its use in a process for polymerizing olefin(s). In particular, the invention is directed to a method for making a supported catalyst composition by combining a heated bulky ligand metallocene-type catalyst system with a carrier or an optionally heated carrier.
    Type: Grant
    Filed: October 22, 1999
    Date of Patent: February 12, 2002
    Assignee: Univation Technologies, LLC
    Inventors: Agapios K. Agapiou, Chi-I Kuo, David M. Glowczwski, Steven K. Ackerman