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: 20210261702
    Abstract: 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: Application
    Filed: June 26, 2019
    Publication date: August 26, 2021
    Inventors: John O. Osby, Hayley A. Brown, Mehmet Demirors, Carmelo Declet Perez
  • Patent number: 11084893
    Abstract: 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: Grant
    Filed: June 1, 2018
    Date of Patent: August 10, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: John O. Osby, Mehmet Demirors, Ivan A. Konstantinov
  • Patent number: 10941220
    Abstract: 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 fee
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: March 9, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Otto J. Berbee, Stefan Hinrichs, Hayley A. Brown, Bharat I. Chaudhary, John O. Osby, Teresa P. Karjala
  • Publication number: 20210054182
    Abstract: 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: Application
    Filed: November 6, 2020
    Publication date: February 25, 2021
    Inventors: Bharat I. Chaudhary, Christopher R. Eddy, Sarat Munjal, Kalyan Sehanobish, Hayley Brown, John O. Osby, Jose Ortega
  • Patent number: 10730977
    Abstract: 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: Grant
    Filed: June 23, 2016
    Date of Patent: August 4, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Otto J. Berbee, Stefan Hinrichs, Sean W. Ewart, John O. Osby
  • Patent number: 10730973
    Abstract: 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: Grant
    Filed: June 16, 2016
    Date of Patent: August 4, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Otto J. Berbee, Cornelis F. J. Den Doelder, Stefan Hinrichs, Teresa P. Karjala, John O. Osby
  • Publication number: 20200231712
    Abstract: 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: Application
    Filed: July 13, 2018
    Publication date: July 23, 2020
    Applicant: Dow Global Technologies LLC
    Inventors: Otto J. Berbee, Stefan Hinrichs, Bharat I. Chaudhary, Teresa P. Karjala, John O. Osby, Jose Ortega
  • Patent number: 10654955
    Abstract: 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: Grant
    Filed: June 24, 2015
    Date of Patent: May 19, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: John O. Osby, Teresa P. Karjala, Otto J. Berbee, James L. Cooper
  • Publication number: 20200148799
    Abstract: 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: Application
    Filed: June 1, 2018
    Publication date: May 14, 2020
    Applicant: Dow Global Technologies LLC
    Inventors: John O. Osby, Mehmet Demirors, Ivan A. Konstantinov
  • Patent number: 10494460
    Abstract: 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: Grant
    Filed: June 23, 2016
    Date of Patent: December 3, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Otto J. Berbee, Cornelis F. J. Den Doelder, Stefan Hinrichs, Teresa P. Karjala, John O. Osby
  • Patent number: 10465024
    Abstract: 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: Grant
    Filed: June 24, 2016
    Date of Patent: November 5, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Otto J. Berbee, Stefan Hinrichs, Sean W. Ewart, John O. Osby
  • Patent number: 10465023
    Abstract: 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: Grant
    Filed: May 9, 2016
    Date of Patent: November 5, 2019
    Assignee: Dow Global Technologies LLC
    Inventor: John O. Osby
  • Patent number: 10442878
    Abstract: 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: Grant
    Filed: March 8, 2013
    Date of Patent: October 15, 2019
    Assignee: Dow Global Technologies LLC
    Inventor: John O. Osby
  • Publication number: 20190194361
    Abstract: 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 fee
    Type: Application
    Filed: June 23, 2017
    Publication date: June 27, 2019
    Applicant: Dow Global Technologies LLC
    Inventors: Otto J. Berbee, Stefan Hinrichs, Hayley A. Brown, Bharat I. Chaudhary, John O. Osby, Teresa P. Karjala
  • Publication number: 20190002606
    Abstract: 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: Application
    Filed: June 16, 2016
    Publication date: January 3, 2019
    Inventors: Otto J. Berbee, Cornelis F.J. Den Doelder, Stefan Hinrichs, Teresa P. Karjala, John O. Osby
  • Patent number: 10005863
    Abstract: 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: Grant
    Filed: July 11, 2017
    Date of Patent: June 26, 2018
    Assignee: Dow Global Technologies LLC
    Inventors: Otto J. Berbee, Stefan Hinrichs, Christopher R. Eddy, Sarat Munjal, John O. Osby, Sean W. Ewart
  • Publication number: 20180171047
    Abstract: 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: Application
    Filed: June 23, 2016
    Publication date: June 21, 2018
    Inventors: Otto J. Berbee, Stefan Hinrichs, Sean W. Ewart, John O. Osby
  • Publication number: 20180171046
    Abstract: 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: Application
    Filed: June 24, 2016
    Publication date: June 21, 2018
    Inventors: Otto J. Berbee, Stefan Hinrichs, Sean W. Ewart, John O. Osby
  • Publication number: 20180134825
    Abstract: 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: Application
    Filed: May 9, 2016
    Publication date: May 17, 2018
    Inventor: John O. Osby
  • Publication number: 20180112017
    Abstract: 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: Application
    Filed: June 23, 2016
    Publication date: April 26, 2018
    Inventors: Otto J. Berbee, Cornelis F.J. Den Doelder, Stefan Hinrichs, Teresa P. Karjala, John O. Osby