Patents by Inventor Cornelis F. J. Den Doelder

Cornelis F. J. Den Doelder 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: 11111322
    Abstract: A polyethylene homopolymer comprising the following properties: a) a melt index (I2) from 1.0 to 3.5 dg/min; b) a Mw(abs) versus I2 relationship: Mw(abs)?A+B(I2), where A=3.20×105 g/mole, and B=?8.00×103 (g/mole)/(dg/min); c) a Mw(abs) versus I2 relationship: Mw(abs)?C+D(I2), where C=3.90×105 g/mole, and D=?8.00×103 (g/mole)/(dg/min).
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: September 7, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Cornelis F. J. Den Doelder, Nhi T. Y. Dang, Eva-Maria Kupsch, Edward L. Lee
  • Patent number: 11041258
    Abstract: The present disclosure provides a linear low density polyethylene composition, tapes, fibers and filaments, artificial turfs, and method of making the same. The linear low density polyethylene composition according to the present disclosure exhibits each of the following properties: (1) a CEF fraction from 70 to 90° C. of equal to or greater than 80% of the total CEF fractions; (2) a melt index, I2, measured according to ASTM D 1238 (2.16 kg @190° C.), in the range of equal to or greater than 2.0 g/10 min and equal to or less than 5.0 g/10 min; and (3) a melt flow ratio, I10/I2, of equal to or less than 6.7.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: June 22, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: David Lopez, Cornelis F. J. Den Doelder, Jesus Nieto, Barbara Bonavoglia, Frederik E. Gemoets
  • Patent number: 11028241
    Abstract: The present disclosure provides breathable films and method of making the same. The breathable films according to the present disclosure comprise a film layer comprising polymeric composition comprising equal to or less than 60 wt % of a linear low density polyethylene resin which exhibits each of the following properties: (1) a CEF fraction from 70 to 90 C of equal to or greater than 80% of the total CEF fractions; (2) a melt index, I2, measured according to ASTM D 1238 (2.16 kg @190C), in the range of equal to or greater than 2.0 g/10 min and equal to or less than 5.0 g/10 min; and (3) a melt flow ratio, 110/12, of equal to or less than 6.7.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: June 8, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Barbara Bonavoglia, Selim Bensason, Jesus Nieto, Cornelis F. J. Den Doelder
  • Patent number: 10975179
    Abstract: The invention provides a composition comprising a first ethylene-based polymer, formed by a high pressure, free-radical polymerization process, and comprising the following properties: a) a Mw(abs) versus I2 relationship: Mw(abs)<A×[(I2)B], where A=5.00×102 (g/mole)/(dg/min)B, and B=?0.40; and b) a MS versus I2 relationship: MS?C×[(I2)D], where C=13.5 cN/(dg/min)D, and D=?0.55.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: April 13, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Otto J. Berbee, Cornelis F. J. Den Doelder, Teresa P. Karjala, Karl Zuercher, Jian Wang, Stefan Hinrichs
  • Publication number: 20210009770
    Abstract: The present disclosure provides breathable films and method of making the same. The breathable films according to the present disclosure comprise a film layer comprising polymeric composition comprising equal to or less than 60 wt % of a linear low density poly-ethylene resin which exhibits each of the following properties: (1) a CEF fraction from 70 to 90 C of equal to or greater than 80% of the total CEF fractions; (2) a melt index, I2, measured according to ASTM D 1238 (2.16 kg @190C), in the range of equal to or greater than 2.0 g/10 min and equal to or less than 5.0 g/10 min; and (3) a melt flow ratio, 110/12, of equal to or less than 6.7.
    Type: Application
    Filed: March 3, 2017
    Publication date: January 14, 2021
    Applicant: Dow Global Technologies LLC
    Inventors: Barbara Bonavoglia, Selim Bensason, Jesus Nieto, Cornelis F. J. Den Doelder
  • Patent number: 10815321
    Abstract: A process for producing an ethylene-based polymer comprises polymerizing, by the presence of at least one free-radical initiator and using a high pressure tubular polymerization process, a reaction mixture containing ethylene and at least one CTA system comprising one or more CTA components to produce the ethylene-based polymer. The free-radical initiator is dissolved in a solvent comprising a saturated hydrocarbon to form an initiator solution which is added to the polymerization using an initiator feed line to an initiator injection pump. At least 50 wt % of the solvent has i) a dry point of less than or equal to 160° C. and ii) an initial boiling point of greater than or equal to 100° C. The polymerization process has a ratio of inlet pressure to first peak temperature of less than or equal to 9 Bar/° C.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: October 27, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Cornelis F J Den Doelder, Stefan Hinrichs, Eva-Maria Kupsch, Otto J. Berbee, Rajesh P. Paradkar, Bernard A. Fehr, Carmelo Declet Perez
  • Patent number: 10800908
    Abstract: The present disclosure provides linear low density polyethylene compositions, films and method of making the same. The linear low density polyethylene compositions, according to the present disclosure, exhibit each of the following properties: (1) a CEF fraction from 70 to 90 C of equal to or greater than 80% of the total CEF fractions; (2) a melt index, I2, measured according to ASTM D 1238 (2.16 kg @190 C), in the range of from 0.8 to 1.2 g/10 minutes; and (3) a melt flow ratio, I10/I2, in the range of from 7.0 to 8.0.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: October 13, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Cornelis F. J. Den Doelder, Jesus Nieto, Frederik Gemoets
  • 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: 20200207889
    Abstract: A polyethylene homopolymer comprising the following properties: a) a melt index (I2) from 1.0 to 3.5 dg/min; b) a Mw(abs) versus I2 relationship: Mw(abs)?A+B(I2), where A=3.20×105 g/mole, and B=?8.00×103 (g/mole)/(dg/min); c) a Mw(abs) versus I2 relationship: Mw(abs)?C+D(I2), where C=3.90×105 g/mole, and D=?8.00×103 (g/mole)/(dg/min).
    Type: Application
    Filed: July 13, 2018
    Publication date: July 2, 2020
    Applicant: Dow Global Technologies LLC
    Inventors: Cornelis F.J. Den Doelder, Nhi T.Y. Dang, Eva-Maria Kupsch, Edward L. Lee
  • Publication number: 20200087492
    Abstract: A process for producing a composition comprising A) an ethylene-based polymer that has a density greater than, or equal to, 0.940 g/cc, and B) an ethylene homopolymer formed by polymerizing a reaction mixture comprising ethylene, using a free-radical, high pressure polymerization process includes adding component (A) to a molten stream of component (B) after component (B) exits the separator and before component (B) is solidified in the pelletizer. A polymerization configuration for producing the composition includes at least one reactor, at least one separator, at least one pelletizer, and a device used to feed component (A), in the molten state, to a molten stream of component (B) before the pelletizer. The composition has a ratio of the melt strength of the composition to the melt strength of component (B) is greater than or equal to 1.04 and a density of greater than 0.920 g/cc.
    Type: Application
    Filed: November 29, 2017
    Publication date: March 19, 2020
    Inventors: Cornelis F.J. Den Doelder, Carmelo Declet Perez, Otto J. Berbee, Hayley A. Brown
  • Patent number: 10538652
    Abstract: The invention provides a composition comprising a first ethylene-based polymer, formed by a high pressure, free-radical polymerization process, and a second ethylene-based polymer, formed by a high pressure, free-radical polymerization process, such composition comprising the following properties: a) a melt index (I2) from 2.0 to 10 dg/min; b) a density from 0.922 to 0.935 g/cc; and wherein the second ethylene-based polymer is present in an amount from 60 to 95 weight percent, based on the sum of the weight of the first polymer and the second polymer; and wherein the second ethylene-based polymer has a density greater than, or equal to, 0.924 g/cc; and wherein the first ethylene-based polymer has a melt index less than 2.5 dg/min.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: January 21, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Cornelis F. J. Den Doelder, Karl Zuercher, Otto J. Berbee, Jian Wang, Teresa P. Karjala
  • 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: 10435489
    Abstract: Ethylene-based polymer is made by a process comprising polymerizing a reaction mixture comprising ethylene and at least one chain transfer agent system; 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 one tubular reactor with at least three reaction zones; and wherein at least two reaction zones receive an ethylene feed; and wherein the degree of polymerization in the first reaction zone is less than, or equal to, (5/LCBf)*3150; and wherein the ethylene-based polymer formed by the process comprises the following properties: (A) LCBf?(4.7+0.5*log(I2)); and (B) I2 from 0.2 to 25 dg/min.
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: October 8, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Otto Berbee, Stefan Hinrichs, Nhi Dang, Juergen Siebdrat, Cornelis F. J. Den Doelder
  • Patent number: 10358543
    Abstract: The invention provides a composition comprising the following: A) a first ethylene-based polymer, formed by a high pressure, free-radical polymerization process, and comprising the following properties: a) a Mw(abs) versus I2 relationship: Mw(abs)<A×[(I2)B], where A=5.00×102 (kg/mole)/(dg/min)B, and B=?0.40; and b) a MS versus I2 relationship: MS?C×[(I2)D], where C=13.5 cN/(dg/min)D, and D=?0.55, c) a melt index (I2) from greater than 0.9 to 2.5 g/10 min; and B) a second ethylene-based polymer; and wherein the second ethylene-based polymer has a melt index (I2) from 0.1 to 4.0 g/10 min.
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: July 23, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Cornelis F. J. den Doelder, Teresa P. Karjala, Otto J. Berbee, Lori L. Kardos
  • Patent number: 10358512
    Abstract: The invention provides an ethylene homopolymer formed from a free-radical, high pressure polymerization process in a tubular reactor system, said homopolymer comprising the following properties: (A) a density from 0.9190 to 0.9250 g/cc; (B) a hexane extractable level that is less than, or equal to, 2.6 wt %, based on the total weight of the polymer; (C) a G (at G?=500 Pa, 170C) 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.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: July 23, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Stefan Hinrichs, Cornelis F. J. Den Doelder, Nhi T. Y. Dang, Otto J. Berbee
  • Patent number: 10301403
    Abstract: The invention provides an ethylene-based polymer comprising the following properties: a) a melt index (I2)?2.0 dg/min; b) a Mw(abs) versus I2 relationship: Mw(abs)<A+B(I2), where A=2.40×105 g/mole, and B=?8.00×103 (g/mole)/(dg/min); and c) a G? versus I2 relationship: G??C+D(I2), where C=127.5 Pa, and D=?1.25 Pa/(dg/min). The invention also provides an ethylene-based polymer comprising the following properties: a) a melt index (I2)?2.0 dg/min; b) a G? versus I2 relationship: G??C+D(I2), where C=127.5 Pa, and D=?1.25 Pa/(dg/min) c) a chloroform extractable (Clext) versus G? relationship: Clext.?E+FG?, where E=0.20 wt %, and F=0.060 wt %/Pa; and d) a “weight fraction (w) of molecular weight greater than 106 g/mole, based on the total weight of polymer, and as determined by GPC(abs),” that meets the following relationship: w<I+J(I2), where I=0.080, and J=?4.00×10?3 min/dg.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: May 28, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Otto J. Berbee, Cornelis F. J. Den Doelder, Stefan Hinrichs, Teresa P. Karjala
  • Patent number: 10287423
    Abstract: The invention provides a composition comprising the following: A) a first ethylene-based polymer, formed by a high pressure, free-radical polymerization process, and comprising the following properties: a) a Mw(abs)/Mw(GPC)<2.2; and b) a MS versus I2 relationship: MS?C×[(I2)D], where C=13.5 cN/(dg/min)D, and D=?0.55, c) a melt index (I2) from 0.1 to 0.9 g/10 min; and B) a second ethylene-based polymer; and wherein the second ethylene-based polymer has a melt index (I2) from 0.1 to 4.0 g/10 min.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: May 14, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Cornelis F. J. den Doelder, Teresa P. Karjala, Otto J. Berbee, Lori L. Kardos
  • Publication number: 20190078235
    Abstract: The present disclosure provides a linear low density polyethylene composition, tapes, fibers and filaments, artificial turfs, and method of making the same. The linear low density polyethylene composition according to the present disclosure exhibits each of the following properties: (1) a CEF fraction from 70 to 90° C. of equal to or greater than 80% of the total CEF fractions; (2) a melt index, I2, measured according to ASTM D 1238 (2.16 kg@190° C.), in the range of equal to or greater than 2.0 g/10 min and equal to or less than 5.0 g/10 min; and (3) a melt flow ratio, I10/I2, of equal to or less than 6.7.
    Type: Application
    Filed: March 3, 2017
    Publication date: March 14, 2019
    Applicant: Dow Global Technologies LLC
    Inventors: David Lopez, Cornelis F.J. Den Doelder, Jesus Nieto, Barbara Bonavoglia, Frederik E. Gemoets
  • Publication number: 20190062540
    Abstract: The present disclosure provides linear low density polyethylene compositions, films and method of making the same. The linear low density polyethylene compositions, according to the present disclosure, exhibit each of the following properties: (1) a CEF fraction from 70 to 90 C of equal to or greater than 80% of the total CEF fractions; (2) a melt index, I2, measured according to ASTM D 1238 (2.16 kg @190 C), in the range of from 0.8 to 1.2 g/10 minutes; and (3) a melt flow ratio, I10/I2, in the range of from 7.0 to 8.0.
    Type: Application
    Filed: March 3, 2017
    Publication date: February 28, 2019
    Applicant: Dow Global Technologies LLC
    Inventors: Cornelis F.J. Den Doelder, Jesus Nieto, Frederick Gemoets
  • 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