Patents by Inventor John O. Osby
John O. Osby 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: 20220017666Abstract: The present disclosure provides a polymer composition. In an embodiment, an ethylene-based polymer composition is provided and is formed by high pressure (greater than or equal to 100 MPa), free-radical polymerization, by reacting: ethylene monomer and a mixture of hydrocarbon-based molecules, with each hydrocarbon-based molecule comprising three or more terminal alkene groups.Type: ApplicationFiled: November 26, 2019Publication date: January 20, 2022Inventors: Hayley A. Brown, Carmelo Declet Perez, John O. Osby, Sean W. Ewart, Sarat Munjal, Christopher R. Eddy, Mehmet Demirors, Jonathan D. Mendenhall, Ivan A. Konstantinov, Arkady L. Krasovskiy
-
Patent number: 11136419Abstract: A high pressure, free radical polymerization process to form an ethylene-based polymer, the process comprising at least the following step: polymerizing a reaction mixture comprising ethylene, using a polymerization system comprising the following: (A) a reactor configuration comprising at least one reactor that comprises at least two reaction zones, a first reaction zone (reaction zone 1) and an ith reaction zone (where i?2); wherein the ith reaction zone is the last reaction zone, and wherein i is the total number of reaction zones; (B) at least two ethylene-based feed streams, a first ethylene-based feed stream and an nth ethylene-based feed stream, wherein the first ethylene-based feed stream is sent to the first reaction zone, and the nth ethylene-based feed stream is the last ethylene based feed stream sent to the reactor configuration; wherein n?i; and RZn/RZ1 does not equal 1.Type: GrantFiled: July 13, 2018Date of Patent: October 5, 2021Assignee: Dow Global Technologies LLCInventors: Otto J. Berbee, Stefan Hinrichs, Bharat I. Chaudhary, Teresa P. Karjala, John O. Osby, Jose Ortega
-
Publication number: 20210261702Abstract: An ethylene-based polymer formed from reacting at least the following: ethylene and at least one asymmetrical polyene, of Structure 1, as described herein.Type: ApplicationFiled: June 26, 2019Publication date: August 26, 2021Inventors: John O. Osby, Hayley A. Brown, Mehmet Demirors, Carmelo Declet Perez
-
Patent number: 11084893Abstract: An ethylene-based polymer formed from reacting at least the following: ethylene and at least one asymmetrical polyene, and wherein the reaction takes place in the presence of at least one free-radical initiator; and wherein the at least one asymmetrical polyene is selected from Structure A, as described herein; Structure B, as described herein; or a combination of Structure A and Structure B.Type: GrantFiled: June 1, 2018Date of Patent: August 10, 2021Assignee: Dow Global Technologies LLCInventors: John O. Osby, Mehmet Demirors, Ivan A. Konstantinov
-
Patent number: 10941220Abstract: A high pressure polymerization process to form an ethylene-based polymer, the process comprising at least the following step: polymerizing a reaction mixture comprising ethylene and at least one comonomer, using a reactor system comprising a reactor configuration, and the following: (A) at least two reaction zones, a zone (reaction zone 1) and an ith zone (reaction zone i where i?2), (B) at least two ethylene-based feed streams, each comprising a percentage of the total make-up ethylene fed to the polymerization process, and wherein a first stream is sent to reaction zone 1 and a second stream is sent to reaction zone i; (C) a control system to control the percentage of the total make-up ethylene in the stream sent to reaction zone 1, and the percentage of the total make-up ethylene in the stream sent to reaction zone i, and wherein the ratio (Q) of the molar concentration of the at least one comonomer fed to the first reaction zone, to the molar concentration of comonomer in the sum of all ethylene-based feeType: GrantFiled: June 23, 2017Date of Patent: March 9, 2021Assignee: Dow Global Technologies LLCInventors: Otto J. Berbee, Stefan Hinrichs, Hayley A. Brown, Bharat I. Chaudhary, John O. Osby, Teresa P. Karjala
-
Publication number: 20210054182Abstract: An insulated wire or cable is made by a process comprising the steps of: (A) extruding onto a covered or uncovered metal conductor or optical fiber a composition having a DF measured at 130° C. (60 Hz, 2 kV) or 120° C. (60 Hz, 8 kV) or 100° C. (60 Hz, 8 kV) of ?0.5% and comprising: (1) a high melt strength ethylene-based polymer made in a tubular reactor, and (2) a peroxide, and (B) crosslinking the high melt strength ethylene-based polymer.Type: ApplicationFiled: November 6, 2020Publication date: February 25, 2021Inventors: Bharat I. Chaudhary, Christopher R. Eddy, Sarat Munjal, Kalyan Sehanobish, Hayley Brown, John O. Osby, Jose Ortega
-
Patent number: 10730973Abstract: Ethylene-based polymers comprising the following properties: (A) a density less than 0.9190 g/cc; (B) a hexane extractable level that meets the following equation: hexane extractable level ?A+B [log(12)], where A=2.65 wt %, and B—0.25 wt %[log (dg/min)]; based on total weight of the ethylene-based polymer; (C) a G? (at G?=500 Pa, 1 70° C.) that meets the following equation: G??C+D [log(12)], where C=150 Pa, and D=?60 Pa/[log(dg/min)]; and (D) a melt index (12) from 0.7 to 20 dg/min; are made in high pressure tubular process that comprises at least three reaction zones with the peak polymerization temperature of the first reaction zone ?320° C. and the peak polymerization temperature of the last reaction zone ?290° C.Type: GrantFiled: June 16, 2016Date of Patent: August 4, 2020Assignee: Dow Global Technologies LLCInventors: Otto J. Berbee, Cornelis F. J. Den Doelder, Stefan Hinrichs, Teresa P. Karjala, John O. Osby
-
Patent number: 10730977Abstract: A process to form an ethylene-based polymer comprises polymerizing a reaction mixture comprising ethylene, at least one symmetrical polyene and at least one chain transfer agent system comprising at least one chain transfer agent (CTA) in the presence of at least one free-radical initiator and in a reactor configuration comprising at least two reaction zones, reaction zone 1 and reaction zone i (i?2), wherein reaction zone i is downstream from reaction zone 1. The ratio of “the activity of the CTA system of the feed to the first reaction zone” to the “activity of the CTA system of the cumulative feed to the reaction zone i,” (Z1/Zi), is less than or equal to (0.8?0.2*log(Cs)), wherein Cs is from 0.0001 to 10.Type: GrantFiled: June 23, 2016Date of Patent: August 4, 2020Assignee: Dow Global Technologies LLCInventors: Otto J. Berbee, Stefan Hinrichs, Sean W. Ewart, John O. Osby
-
Publication number: 20200231712Abstract: A high pressure, free radical polymerization process to form an ethylene-based polymer, the process comprising at least the following step: polymerizing a reaction mixture comprising ethylene, using a polymerization system comprising the following: (A) a reactor configuration comprising at least one reactor that comprises at least two reaction zones, a first reaction zone (reaction zone 1) and an ith reaction zone (where i?2); wherein the ith reaction zone is the last reaction zone, and wherein i is the total number of reaction zones; (B) at least two ethylene-based feed streams, a first ethylene-based feed stream and an nth ethylene-based feed stream, wherein the first ethylene-based feed stream is sent to the first reaction zone, and the nth ethylene-based feed stream is the last ethylene based feed stream sent to the reactor configuration; wherein n?i; and RZn/RZ1 does not equal 1.Type: ApplicationFiled: July 13, 2018Publication date: July 23, 2020Applicant: Dow Global Technologies LLCInventors: Otto J. Berbee, Stefan Hinrichs, Bharat I. Chaudhary, Teresa P. Karjala, John O. Osby, Jose Ortega
-
Ethylene-based polymers comprising units derived from carbon monoxide and a rheology modifying agent
Patent number: 10654955Abstract: The invention provides a composition comprising an ethylene-based polymer, comprising at least the following: A) a unit derived from Carbon Monoxide (CO); and B) a unit derived from at least one Rheology Modifying Agent (RMA) selected from the following RMA1, RMA2, RMA3, RMA4, RMA5, each as described herein, or a combination thereof.Type: GrantFiled: June 24, 2015Date of Patent: May 19, 2020Assignee: Dow Global Technologies LLCInventors: John O. Osby, Teresa P. Karjala, Otto J. Berbee, James L. Cooper -
Publication number: 20200148799Abstract: An ethylene-based polymer formed from reacting at least the following: ethylene and at least one asymmetrical polyene, and wherein the reaction takes place in the presence of at least one free-radical initiator; and wherein the at least one asymmetrical polyene is selected from Structure A, as described herein; Structure B, as described herein; or a combination of Structure A and Structure B.Type: ApplicationFiled: June 1, 2018Publication date: May 14, 2020Applicant: Dow Global Technologies LLCInventors: John O. Osby, Mehmet Demirors, Ivan A. Konstantinov
-
Patent number: 10494460Abstract: Ethylene-based polymers comprising the following properties: (A) a density from 0.9190 g/cc to 0.9240 g/cc; (B) a hexane extractable level that is less than or equal to the lower of: (1) (A+(B*density (g/cc))+(C*log(MI) dg/min)) based on total weight of the ethylene-based polymer; where A=250.5 wt %, B=?270 wt %/(g/cc), C=0.25 wt %/[log(dg/min)], or (2) 2.0 wt %; (C) a G? (at G?=500 Pa, 170° C.) that meets the following equation: G??D+E[log (12)], where D=150 Pa and E=?60 Pa/[log(dg/min)]; and (D) a melt index (12) from 1.0 to 20 dg/min; are made in process comprising the step of contacting in a reaction configuration, comprising a first tubular reaction zone 1 and a last tubular reaction zone i, in which i is greater than or equal to (?) 3, under high pressure polymerization conditions, and in which the first reaction zone 1 has a peak polymerization temperature greater than the peak temperature of the ith reaction zone, and wherein the difference in these two peak temperatures is ?30° C.Type: GrantFiled: June 23, 2016Date of Patent: December 3, 2019Assignee: Dow Global Technologies LLCInventors: Otto J. Berbee, Cornelis F. J. Den Doelder, Stefan Hinrichs, Teresa P. Karjala, John O. Osby
-
Patent number: 10465024Abstract: A process to form an ethylene-based polymer comprises polymerizing a reaction mixture comprising ethylene, at least one monomeric chain transfer agent, and at least one chain transfer agent system comprising at least one chain transfer agent (CTA) in the presence of at least one free-radical initiator and in a reactor configuration comprising at least two reaction zones, reaction zone 1 and reaction zone i (i?2), wherein the reaction zone i is downstream from reaction zone 1. The ratio of “the activity of the CTA system of the feed to the first reaction zone” to the “activity of the CTA system of the cumulative feed to the reaction zone i,” (Z1/Zi), is less than or equal to (0.8?0.2*log(Cs)), wherein Cs is from 0.0001 to 10.Type: GrantFiled: June 24, 2016Date of Patent: November 5, 2019Assignee: Dow Global Technologies LLCInventors: Otto J. Berbee, Stefan Hinrichs, Sean W. Ewart, John O. Osby
-
Patent number: 10465023Abstract: The invention provides a process to form an ethylene-based polymer, and said ethylene-based polymer, said process comprising polymerizing a reaction mixture comprising ethylene and at least the following A) and B): A) a Rheology Modifying Agent (RMA) selected from the following i) through v), as described herein; B) at least one comonomer selected from the following a) through c), as described herein.Type: GrantFiled: May 9, 2016Date of Patent: November 5, 2019Assignee: Dow Global Technologies LLCInventor: John O. Osby
-
Patent number: 10442878Abstract: The invention provides an ethylene-based polymer formed from reacting at least the following: ethylene and at least one asymmetrical polyene, comprising an “alpha, beta unsaturated end” and a “C—C double bond end,” and wherein the reaction takes place in the presence of at least one free-radical initiator.Type: GrantFiled: March 8, 2013Date of Patent: October 15, 2019Assignee: Dow Global Technologies LLCInventor: John O. Osby
-
Publication number: 20190194361Abstract: A high pressure polymerization process to form an ethylene-based polymer, the process comprising at least the following step: polymerizing a reaction mixture comprising ethylene and at least one comonomer, using a reactor system comprising a reactor configuration, and the following: (A) at least two reaction zones, a zone (reaction zone 1) and an ith zone (reaction zone i where i?2), (B) at least two ethylene-based feed streams, each comprising a percentage of the total make-up ethylene fed to the polymerization process, and wherein a first stream is sent to reaction zone 1 and a second stream is sent to reaction zone i; (C) a control system to control the percentage of the total make-up ethylene in the stream sent to reaction zone 1, and the percentage of the total make-up ethylene in the stream sent to reaction zone i, and wherein the ratio (Q) of the molar concentration of the at least one comonomer fed to the first reaction zone, to the molar concentration of comonomer in the sum of all ethylene-based feeType: ApplicationFiled: June 23, 2017Publication date: June 27, 2019Applicant: Dow Global Technologies LLCInventors: Otto J. Berbee, Stefan Hinrichs, Hayley A. Brown, Bharat I. Chaudhary, John O. Osby, Teresa P. Karjala
-
Publication number: 20190002606Abstract: Ethylene-based polymers comprising the following properties: (A) a density less than 0.9190 g/cc; (B) a hexane extractable level that meets the following equation: hexane extractable level ?A+B [log(12)], where A=2.65 wt %. and B—0.25 wt %[log (dg/min)]; based on total weight of the ethylene-based polymer; (C) a G? (at G?=500 Pa, 1 70° C.) that meets the following equation: G??C+D [log(12)], where C=150 Pa, and D=?60 Pa/[log(dg/min)]; and (D) a melt index (12) from 0.7 to 20 dg/min; are made in high pressure tubular process that comprises at least three reaction zones with the peak polymerization temperature of the first reaction zone ?320° C. and the peak polymerization temperature of the last reaction zone ?290° C.Type: ApplicationFiled: June 16, 2016Publication date: January 3, 2019Inventors: Otto J. Berbee, Cornelis F.J. Den Doelder, Stefan Hinrichs, Teresa P. Karjala, John O. Osby
-
Patent number: 10005863Abstract: A process to form an ethylene-based polymer including polymerizing ethylene and at least one asymmetrical polyene comprising an “alpha, beta unsaturated-carbonyl end” (“?,? unsaturated-carbonyl end”) and a “C—C double bond end,” wherein the polymerization takes place in the presence of at least one free-radical initiator; and wherein the polymerization takes place in a reactor configuration comprising at least two reaction zones, reaction zone 1 and reaction zone i (i?2), wherein reaction zone i is downstream from reaction zone 1.Type: GrantFiled: July 11, 2017Date of Patent: June 26, 2018Assignee: Dow Global Technologies LLCInventors: Otto J. Berbee, Stefan Hinrichs, Christopher R. Eddy, Sarat Munjal, John O. Osby, Sean W. Ewart
-
Publication number: 20180171046Abstract: A process to form an ethylene-based polymer comprises polymerizing a reaction mixture comprising ethylene, at least one monomeric chain transfer agent, and at least one chain transfer agent system comprising at least one chain transfer agent (CTA) in the presence of at least one free-radical initiator and in a reactor configuration comprising at least two reaction zones, reaction zone 1 and reaction zone i (i?2), wherein the reaction zone i is downstream from reaction zone 1. The ratio of “the activity of the CTA system of the feed to the first reaction zone” to the “activity of the CTA system of the cumulative feed to the reaction zone i,” (Z1/Zi), is less than or equal to (0.8?0.2*log(Cs)), wherein Cs is from 0.0001 to 10.Type: ApplicationFiled: June 24, 2016Publication date: June 21, 2018Inventors: Otto J. Berbee, Stefan Hinrichs, Sean W. Ewart, John O. Osby
-
Publication number: 20180171047Abstract: A process to form an ethylene-based polymer comprises polymerizing a reaction mixture comprising ethylene, at least one symmetrical polyene and at least one chain transfer agent system comprising at least one chain transfer agent (CTA) in the presence of at least one free-radical initiator and in a reactor configuration comprising at least two reaction zones, reaction zone 1 and reaction zone i (i?2), wherein reaction zone i is downstream from reaction zone 1. The ratio of “the activity of the CTA system of the feed to the first reaction zone” to the “activity of the CTA system of the cumulative feed to the reaction zone i,” (Z1/Zi), is less than or equal to (0.8-0.2*log(Cs)), wherein Cs is from 0.0001 to 10.Type: ApplicationFiled: June 23, 2016Publication date: June 21, 2018Inventors: Otto J. Berbee, Stefan Hinrichs, Sean W. Ewart, John O. Osby