Steven Ackerman

US Patent:

6346586, Feb 12, 2002

Filed:

Oct 22, 1999

Appl. No.:

09/426779

Inventors:

Agapios K. Agapiou - Humble TX
Chi-I Kuo - Humble TX
David M. Glowczwski - Baytown TX
Steven K. Ackerman - Baytown TX

Assignee:

Univation Technologies, LLC - Houston TX

International Classification:

C08F 452

US Classification:

526160, 526129, 526901, 526159

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.

US Patent:

6593267, Jul 15, 2003

Filed:

Oct 31, 2001

Appl. No.:

10/000683

Inventors:

Chi-I Kuo - Humble TX
Agapios K. Agapiou - Humble TX
Steven K. Ackerman - Baytown TX
Simon X. Zhang - Houston TX

Assignee:

Univation Technologies, LLC - Houston TX

International Classification:

C08F 464

US Classification:

502107, 502152, 502170, 526154, 526158, 526170

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.

US Patent:

6608153, Aug 19, 2003

Filed:

Nov 6, 2001

Appl. No.:

09/992758

Inventors:

Agapios Kyriacos Agapiou - Humble TX
Chi-I Kuo - Humble TX
David Michael Glowczwski - Baytown TX
Steven Kent Ackerman - Baytown TX

Assignee:

Univation Technologies, LLC - Houston TX

International Classification:

C08F 464

US Classification:

526154, 502132, 502113, 502152, 502154, 502170, 526113, 526160, 526170, 526348, 526352, 526943

Abstract:

The present invention relates to a catalyst composition and a method for making the catalyst composition of a polymerization catalyst and a carboxylate metal salt. 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. More particularly, the polymerization catalyst comprises a bulky ligand metallocene-type catalyst system.

US Patent:

6680276, Jan 20, 2004

Filed:

Apr 24, 2003

Appl. No.:

10/422207

Inventors:

Chi-I Kuo - Humble TX
Agapios K. Agapiou - Humble TX
Steven K. Ackerman - Baytown TX
Simon X. Zhang - Houston TX

Assignee:

Univation Technologies, LLC - Houston TX

International Classification:

C08F 464

US Classification:

502170, 502107, 502152, 502154, 502132, 526160, 526165, 526170, 526943

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.

US Patent:

6875828, Apr 5, 2005

Filed:

Feb 18, 2003

Appl. No.:

10/368818

Inventors:

Chi-I Kuo - Humble TX, US
G. McCullough Laughlin - League City TX, US
Pradeep Pandurang Shirodkar - Kingwood TX, US
Fred David Ehrman - Houston TX, US
Porter Shannon - Seabrook TX, US
Robert Lynn Santana - Baytown TX, US
Steven K. Ackerman - Baytown TX, US
Daniel Gerard O'Neil - Metuchen NJ, US

Assignee:

Univation Technologies, LLC - Houston TX

International Classification:

C08F004/44
C08F004/642
C08F004/654
C08F002/34

US Classification:

526114, 526113, 526118, 526119, 526129, 526160, 526943

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.

US Patent:

6933258, Aug 23, 2005

Filed:

Nov 15, 2001

Appl. No.:

09/998855

Inventors:

Agapios Kyriacos Agapiou - Humble TX, US
Chi-I Kuo - Humble TX, US
David M. Glowczwski - Baytown TX, US
Steven K. Ackerman - Baytown TX, US

Assignee:

Univation Technologies, L.L.C. - Houston TX

International Classification:

B01J031/00
B01J037/00
C08F004/02
C08F004/60

US Classification:

502121, 502124, 502125, 502126, 502127, 502132

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.

US Patent:

6943134, Sep 13, 2005

Filed:

Sep 20, 2004

Appl. No.:

10/945462

Inventors:

Chi-I Kuo - Humble TX, US
G. McCullough Laughlin - League City TX, US
Pradeep Pandurang Shirodkar - Kingwood TX, US
Fred David Ehrman - Houston TX, US
Porter Shannon - Seabrook TX, US
Robert Lynn Santana - Baytown TX, US
Steven K. Ackerman - Baytown TX, US
Daniel Gerard O'Neil - Metuchen NJ, US

Assignee:

Univation Technologies, LLC - Houston TX

International Classification:

C08F004/642

US Classification:

502113, 502107, 502115, 502117, 502120, 502129, 502152, 502154, 526113, 526114, 526118, 526119

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.

US Patent:

7001961, Feb 21, 2006

Filed:

Jun 6, 2005

Appl. No.:

11/146264

Inventors:

Agapios Kyriacos Agapiou - Humble TX, US
Chi-I Kuo - Humble TX, US
David M. Glowczwski - Baytown TX, US
Steven K. Ackerman - Baytown TX, US

Assignee:

Univation Technologies, LLC - Houston TX

International Classification:

C08F 4/44
C08F 4/72
C08F 4/06

US Classification:

526110, 526139, 526141, 526142, 526144, 526145, 526147, 526160, 526943

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.