Patents by Inventor Randal Ray Ford
Randal Ray Ford 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).
-
Patent number: 7893180Abstract: A novel process for the polymerization of olefins is provided. The process involves contacting at least one olefin with a Ziegler-Natta type catalyst in the presence of a specified compound that results in the production of polymeric products having a narrower molecular weight distribution. Also provide is a process for narrowing the molecular weight distribution of a polyolefin comprising contacting an olefin, a Ziegler-Natta catalyst and a compound specified herein. Further provided are novel polyethylenes, and films and articles produced therefrom.Type: GrantFiled: August 20, 2007Date of Patent: February 22, 2011Assignee: Westlake Longview Corp.Inventors: Randal Ray Ford, Richard Kingsley Stuart, Jr.
-
Patent number: 7652113Abstract: A novel process for the polymerization of olefins is provided. The process involves contacting at least one olefin with a Ziegler-Natta type catalyst in the presence of a specified compound that results in the production of polymeric products having a narrower molecular weight distribution. Also provide is a process for narrowing the molecular weight distribution of a polyolefin comprising contacting an olefin, a Ziegler-Natta catalyst and a compound specified herein. Further provided are novel polyethylenes, and films and articles produced therefrom.Type: GrantFiled: June 19, 2003Date of Patent: January 26, 2010Assignee: Westlake Longview CorporationInventors: Randal Ray Ford, Richard Kingsley Stuart, Jr.
-
Publication number: 20080146760Abstract: A novel process for the polymerization of olefins is provided. The process involves contacting at least one olefin with a Ziegler-Natta type catalyst in the presence of a specified compound that results in the production of polymeric products having a narrower molecular weight distribution. Also provide is a process for narrowing the molecular weight distribution of a polyolefin comprising contacting an olefin, a Ziegler-Natta catalyst and a compound specified herein. Further provided are novel polyethylenes, and films and articles produced therefrom.Type: ApplicationFiled: August 20, 2007Publication date: June 19, 2008Inventors: Randal Ray Ford, Richard Kingsley Stuart
-
Publication number: 20030212219Abstract: A novel process for the polymerization of olefins is provided. The process involves contacting at least one olefin with a Ziegler-Natta type catalyst in the presence of a specified compound that results in the production of polymeric products having a narrower molecular weight distribution. Also provide is a process for narrowing the molecular weight distribution of a polyolefin comprising contacting an olefin, a Ziegler-Natta catalyst and a compound specified herein. Further provided are novel polyethylenes, and films and articles produced therefrom.Type: ApplicationFiled: June 19, 2003Publication date: November 13, 2003Inventors: Randal Ray Ford, Richard Kingsley Stuart
-
Patent number: 6608152Abstract: A novel process for the polymerization of olefins is provided. The process involves contacting at least one olefin with a Ziegler-Natta type catalyst in the presence of a specified compound that results in the production of polymeric products having a narrower molecular weight distribution. Also provide is a process for narrowing the molecular weight distribution of a polyolefin comprising contacting an olefin, a Ziegler-Natta catalyst and a compound specified herein. Further provided are novel polyethylenes, and films and articles produced therefrom.Type: GrantFiled: July 27, 2001Date of Patent: August 19, 2003Assignee: Eastman Chemical CompanyInventors: Randal Ray Ford, Richard Kingsley Stuart, Jr.
-
Patent number: 6586538Abstract: A novel process for producing homopolymers and interpolymers of olefins which involves contacting an olefin and/or an olefin and at least one or more other olefin(s) under polymerization conditions with a metallocene catalyst and dinitrogen monoxide in amounts sufficient to reduce the electrostatic charge in the polymerization medium. Also provided is a process for reducing electrostatic charge in the production of polyolefins by introducing dinitrogen monoxide into the polymerization medium.Type: GrantFiled: May 15, 2001Date of Patent: July 1, 2003Assignee: Eastman Chemical CompanyInventors: Randal Ray Ford, Jeffrey James Vanderbilt, Roxanna Lea Whitfield, Glenn Edward Moore
-
Patent number: 6534613Abstract: A novel process for producing homopolymers and copolymers of ethylene which involves contacting ethylene and/or ethylene and at least one or more other olefin(s) under polymerization conditions with a Ziegler-Natta type catalyst, at least one halogenated hydrocarbon, at least one compound of the formula XnER3-n as a co-catalyst and at least one compound containing at least one carbon-oxygen-carbon linkage (C—O—C) of the formula R1—O(—R2—O)n—R3 as an external electron donor. Also provided are films and articles produced therefrom.Type: GrantFiled: July 24, 2001Date of Patent: March 18, 2003Assignee: Eastman Chemical CompanyInventors: Randal Ray Ford, William Albert Ames, Kenneth Alan Dooley, Jeffrey James Vanderbilt, Alan George Wonders
-
Patent number: 6417301Abstract: There is described a process utilizing Ziegler-Natta catalysts for producing ethylene/olefin interpolymers which, for a given melt index and density, have a reduced melting peak temperature (Tm). The process involves contacting ethylene and at least one other olefin under polymerization conditions with a Ziegler-Natta catalyst and at least one modifier comprising at least one element from Group 15 and/or Group 16 in amounts sufficient to reduce the melting peak temperature of the ethylene/olefin interpolymer. Also described herein are novel ethylene/olefin interpolymers resulting from the process.Type: GrantFiled: August 31, 1999Date of Patent: July 9, 2002Assignee: Eastman Chemical CompanyInventors: Randal Ray Ford, Jeffrey James Vanderbilt, Darryl Stephen Williams
-
Patent number: 6417296Abstract: A novel process for producing homopolymers and interpolymers of olefins which involves contacting an olefin and/or an olefin and at least one or more other olefin(s) under polymerization conditions with a Ziegler-Natta catalyst comprising at least one transition metal compound and at least one organometallic co-catalyst compound and tetrahydrofuran in amounts sufficient to reduce the electrostatic charge in the polymerization medium. Also disclosed is a process for reducing electrostatic charge in an olefin polymerization medium.Type: GrantFiled: March 27, 2001Date of Patent: July 9, 2002Assignee: Eastman Chemical CompanyInventors: Randal Ray Ford, Kenneth Alan Dooley, Jeffrey James Vanderbilt, Roxanna Lea Whitfield, Alan George Wonders
-
Patent number: 6417299Abstract: There is described a process for producing ethylene/olefin interpolymers which, for a given melt index and density, have a reduced melting peak temperature (Tm). The process involves contacting ethylene and at least one other olefin under polymerization conditions with an olefin polymerization catalyst and at least one modifier comprising at least one element from Group 15 and/or Group 16 in amounts sufficient to reduce the melting peak temperature of the ethylene/olefin interpolymer. Also described herein are novel ethylene/olefin interpolymers resulting from the process.Type: GrantFiled: August 31, 1999Date of Patent: July 9, 2002Assignee: Eastman Chemical CompanyInventors: Randal Ray Ford, Jeffrey James Vanderbilt, Darryl Stephen Williams
-
Patent number: 6417298Abstract: There is described a process utilizing metallocene catalyst for producing ethylene/olefin interpolymers which, for a given melt index and density, have a reduced melting peak temperature (Tm). The process involves contacting ethylene and at least one other olefin under polymerization conditions with a metallocene catalyst and at least one modifier comprising at least one element from Group 15 and/or Group 16 in amounts sufficient to reduce the melting peak temperature of the ethylene/olefin interpolymer. Also described herein are novel ethylene/olefin interpolymers resulting from the process.Type: GrantFiled: August 31, 1999Date of Patent: July 9, 2002Assignee: Eastman Chemical CompanyInventors: Randal Ray Ford, Jeffrey James Vanderbilt, Darryl Stephen Williams
-
Patent number: 6359083Abstract: Disclosed is a process for producing polyolefins wherein the solids are conveyed by a gas throughout the polymerization process, thereby resulting in improved operability.Type: GrantFiled: May 2, 2000Date of Patent: March 19, 2002Assignee: Eastman Chemical CompanyInventors: Kenneth Alan Dooley, Randal Ray Ford, Glenn Edward Moore, Brad Thedford Duckworth, Don Kent Farrer
-
Publication number: 20020010292Abstract: A novel process for the polymerization of olefins is provided. The process involves contacting at least one olefin with a Ziegler-Natta type catalyst in the presence of a specified compound that results in the production of polymeric products having a narrower molecular weight distribution. Also provide is a process for narrowing the molecular weight distribution of a polyolefin comprising contacting an olefin, a Ziegler-Natta catalyst and a compound specified herein. Further provided are novel polyethylenes, and films and articles produced therefrom.Type: ApplicationFiled: July 27, 2001Publication date: January 24, 2002Inventors: Randal Ray Ford, Richard Kingsley Stuart
-
Publication number: 20020007024Abstract: A novel process for producing homopolymers and copolymers of ethylene which involves contacting ethylene and/or ethylene and at least one or more other olefin(s) under polymerization conditions with a Ziegler-Natta type catalyst. at least one halogenated hydrocarbon, at least one compound of the formula XnER3-n as a co-catalyst and at least one compound containing at least one carbon-oxyen-carbon linkage (C—O—C) of the formula R1—O(—R2—O)n—R3 as an external electron donor. Also provided are films and articles produced therefrom.Type: ApplicationFiled: July 24, 2001Publication date: January 17, 2002Inventors: Randal Ray Ford, William Albert Ames, Kenneth Alan Dooley, Jeffrey James Vanderbilt, Alan George Wonders
-
Publication number: 20020004566Abstract: A novel process for the polymerization of olefins is provided. The process involves contacting at least one olefin with at least one metallocene catalyst in the presence of a specified compound that results in the production of polymeric products having a narrower molecular weight distribution. Also provided is a process for narrowing the molecular weight distribution of a polyolefin comprising contacting an olefin, at least one metallocene catalyst and a compound specified herein. Further provided are novel polyolefins, and films and articles produced therefrom.Type: ApplicationFiled: August 22, 2001Publication date: January 10, 2002Inventors: Randal Ray Ford, Richard Kingsley Stuart
-
Publication number: 20010044505Abstract: A novel process for producing homopolymers and interpolymers of olefins which involves contacting an olefin and/or an olefin and at least one or more other olefin(s) under polymerization conditions with a metallocene catalyst and dinitrogen monoxide in amounts sufficient to reduce the electrostatic charge in the polymerization medium. Also provided is a process for reducing electrostatic charge in the production of polyolefins by introducing dinitrogen monoxide into the polymerization medium.Type: ApplicationFiled: May 15, 2001Publication date: November 22, 2001Inventors: Randal Ray Ford, Jeffrey James Vanderbilt, Roxanna Lea Whitfield, Glenn Edward Moore
-
Patent number: 6313236Abstract: A novel process for producing homopolymers and interpolymers of olefins which involves contacting an olefin and/or an olefin and at least one or more other olefin(s) under polymerization conditions with an olefin polymerization catalyst and at least one ether comprising at least one carbon-oxygen-carbon linkage (C—O—C) of the formula R1—O(—R2—O)m—R3 in amounts sufficient to reduce the electrostatic charge in the polymerization medium. Also disclosed is a process for reducing electrostatic charge in an olefin polymerization medium.Type: GrantFiled: August 31, 1999Date of Patent: November 6, 2001Assignee: Eastman Chemical CompanyInventors: Randal Ray Ford, Kenneth Alan Dooley, Jeffrey James Vanderbilt, Roxanna Lea Whitfield, Alan George Wonders
-
Publication number: 20010029286Abstract: There are described solid procatalysts, catalyst systems incorporating the solid procatalysts, and the use of the catalyst systems in olefin polymerization and interpolymerization.Type: ApplicationFiled: January 3, 2001Publication date: October 11, 2001Inventors: Darryl Stephen Williams, Randal Ray Ford
-
Patent number: 6300432Abstract: A novel process for producing homopolymers and interpolymers of olefins which involves contacting an olefin and/or an olefin and at least one or more other olefin(s) under polymerization conditions with at least one Ziegler-Natta catalyst comprising a component comprising at least one transition metal and a co-catalyst comprising at least one organometallic compound and at least one compound comprising at least one carbon-oxygen-carbon linkage (C—O—C) of the formula R1—O(—R2—O)m—R3 in amounts sufficient to reduce the electrostatic charge in the polymerization medium. Also disclosed is a process for reducing electrostatic charge in an olefin polymerization medium.Type: GrantFiled: August 31, 1999Date of Patent: October 9, 2001Assignee: Eastman Chemical CompanyInventors: Randal Ray Ford, Kenneth Alan Dooley, Jeffrey James Vanderbilt, Roxanna Lea Whitfield, Alan George Wonders
-
Publication number: 20010025089Abstract: A novel process for producing homopolymers and interpolymers of olefins which involves contacting an olefin and/or an olefin and at least one or more other olefin(s) under polymerization conditions with a Ziegler-Natta catalyst comprising at least one transition metal compound and at least one organometallic co-catalyst compound and tetrahydrofuran in amounts sufficient to reduce the electrostatic charge in the polymerization medium. Also disclosed is a process for reducing electrostatic charge in an olefin polymerization medium.Type: ApplicationFiled: March 27, 2001Publication date: September 27, 2001Inventors: Randal Ray Ford, Kenneth Alan Dooley, Jeffrey James Vanderbilt, Roxanna Lea Whitfield, Alan George Wonders