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).
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Patent number: 12065523Abstract: Embodiments of this disclosure include polymers comprising the polymerized product of ethylene, at least one diene comonomer, and optionally at least one C3 to C14 comonomer. The polymer comprises tri-functional long-chain branches resulting from the diene that occur at a frequency of at least 0.03 per 1000 carbon atoms of the polymer.Type: GrantFiled: March 27, 2020Date of Patent: August 20, 2024Assignee: Dow Global Technologies LLCInventors: Robert D. J. Froese, Teresita Kashyap, Oscar D. Redwine, Daniel J. Arriola, Robert L. Sammler, Cornelis F. J. Den Doelder
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Patent number: 11976146Abstract: Embodiments of this disclosure are directed to ethylene-based polymers. The ethylene-based polymer are polymerized units derived from ethylene, diene, and optionally, one or more C3-C12 ?-olefins. The ethylene-based polymer includes a melt viscosity ratio (V0.1/V100) at 190 C greater than 20. The V0.1 is the viscosity of the ethylene-based polymer at 190 C at a frequency of 0.1 radians/second, and the V100 is the viscosity of the ethylene-based polymer at 190 C at a frequency of 100 radians/second. Additionally, the ethylene-based polymer includes an average g greater than 0.86, where the average g? is an intrinsic viscosity ratio determined by gel permeation chromatography using a triple detector.Type: GrantFiled: March 26, 2021Date of Patent: May 7, 2024Assignee: Dow Global Technologies LLCInventors: Robert D. J. Froese, Keran Lu, Robert L. Sammler, Cornelis F. J. Den Doelder
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Publication number: 20230348643Abstract: Embodiments of this disclosure are directed to ethylene-based polymers. The ethylene-based polymers are polymerized units derived from ethylene, diene, and optionally one or more C3-C12?-olefins. The ethylene-based polymer includes a melt strength greater than negative 17 times the log base 10 of the melt index plus 25 ((MS)>?17*log (MI)+25). In the equation, MS is the melt strength in cN and MI is the melt index in g/10 min according to ASTM D1238. The ethylene-based polymer also includes an average g? that is greater than 0.70. The average g? is an intrinsic viscosity ratio determined by gel permeation chromatography using a triple detector.Type: ApplicationFiled: March 26, 2021Publication date: November 2, 2023Applicant: Dow Global Technologies LLCInventors: Robert D.J. Froese, Keran Lu, Robert L. Sammler, Cornelis F.J. Den Doelder, Teresita Kashyap, Luca Martinetti
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Publication number: 20230235156Abstract: Embodiments are directed towards polyolefin compositions including a high molecular weight polyolefin and a low molecular weight polyolefin.Type: ApplicationFiled: June 4, 2021Publication date: July 27, 2023Applicants: Dow Global Technologies LLC, PBBPolisur S.R.L.Inventors: Alexander Williamson, Shadid Askar, Joel D. Wieliczko, Cornelis F.J. Den Doelder, Mridula Kapur, Kurt F. Hirsekorn, Evelyn Auyeung, Bo Liu, Maria C. Zandueta, John P. O'Brien, Stephanie M. Whited
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Publication number: 20230125442Abstract: Embodiments of this disclosure are directed to ethylene-based polymers. The ethylene-based polymer are polymerized units derived from ethylene, diene, and optionally, one or more C3-C12 ?-olefins. The ethylene-based polymer includes a melt viscosity ratio (V0.1/V100) at 190 C greater than 20. The V0.1 is the viscosity of the ethylene-based polymer at 190 C at a frequency of 0.1 radians/second, and the V100 is the viscosity of the ethylene-based polymer at 190 C at a frequency of 100 radians/second. Additionally, the ethylene-based polymer includes an average g greater than 0.86, where the average g? is an intrinsic viscosity ratio determined by gel permeation chromatography using a triple detector.Type: ApplicationFiled: March 26, 2021Publication date: April 27, 2023Applicant: Dow Global Technologies LLCInventors: Robert D.J. Froese, Keran Lu, Robert L. Sammler, Cornelis F.J. Den Doelder
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Publication number: 20220381664Abstract: A rheology system includes a rheometer including a lower plate and an upper plate, a manipulator including an arm, a loading end effector, a cleaning end effector, and a controller communicatively coupled to the rheometer and the manipulator, the controller including a processor and a computer readable and executable instruction set, which when executed, causes the processor to direct the manipulator to couple the loading end effector to the arm, direct the manipulator engage a specimen with the loading end effector, direct the manipulator to position the specimen on the lower plate of the rheometer, direct the upper plate to engage the specimen between the upper plate and the lower plate, direct the manipulator to couple the cleaning end effector to the arm, and direct the manipulator to engage the lower plate with the cleaning end effector.Type: ApplicationFiled: August 26, 2020Publication date: December 1, 2022Applicant: Dow Global Technologies LLCInventors: Sanjay C. Solanki, Christopher M. Thurber, Jin Wang, Donald L. McCarty, II, Sylvie Vervoort, Peter Hermann Roland Sandkuehler, Cornelis F.J. Den Doelder, Paul A. OConnell, John E. Lund, Colleen M. Southwell, Eric L. Marchbanks, Marc M.J. Dees, Kurt A. Koppi, Birgit Braun
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Publication number: 20220227905Abstract: Embodiments of this disclosure include polymers comprising the polymerized product of ethylene, at least one diene comonomer, and optionally at least one C3 to C14 comonomer. The polymer comprises tri-functional long-chain branches resulting from the diene that occur at a frequency of at least 0.03 per 1000 carbon atoms of the polymer.Type: ApplicationFiled: March 27, 2020Publication date: July 21, 2022Applicant: Dow Global Technologies LLCInventors: Robert D. J. Froese, Teresita Kashyap, Oscar D. Redwine, Daniel J. Arriola, Robert L. Sammler, Cornelis F. J. Den Doelder
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Patent number: 11111322Abstract: 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: GrantFiled: July 13, 2018Date of Patent: September 7, 2021Assignee: Dow Global Technologies LLCInventors: Cornelis F. J. Den Doelder, Nhi T. Y. Dang, Eva-Maria Kupsch, Edward L. Lee
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Patent number: 11041258Abstract: 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: GrantFiled: March 3, 2017Date of Patent: June 22, 2021Assignee: Dow Global Technologies LLCInventors: David Lopez, Cornelis F. J. Den Doelder, Jesus Nieto, Barbara Bonavoglia, Frederik E. Gemoets
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Patent number: 11028241Abstract: 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: GrantFiled: March 3, 2017Date of Patent: June 8, 2021Assignee: Dow Global Technologies LLCInventors: Barbara Bonavoglia, Selim Bensason, Jesus Nieto, Cornelis F. J. Den Doelder
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Patent number: 10975179Abstract: 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: GrantFiled: July 5, 2018Date of Patent: April 13, 2021Assignee: Dow Global Technologies LLCInventors: Otto J. Berbee, Cornelis F. J. Den Doelder, Teresa P. Karjala, Karl Zuercher, Jian Wang, Stefan Hinrichs
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Publication number: 20210009770Abstract: 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: ApplicationFiled: March 3, 2017Publication date: January 14, 2021Applicant: Dow Global Technologies LLCInventors: Barbara Bonavoglia, Selim Bensason, Jesus Nieto, Cornelis F. J. Den Doelder
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Patent number: 10815321Abstract: 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: GrantFiled: April 21, 2017Date of Patent: October 27, 2020Assignee: Dow Global Technologies LLCInventors: Cornelis F J Den Doelder, Stefan Hinrichs, Eva-Maria Kupsch, Otto J. Berbee, Rajesh P. Paradkar, Bernard A. Fehr, Carmelo Declet Perez
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Patent number: 10800908Abstract: 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: GrantFiled: March 3, 2017Date of Patent: October 13, 2020Assignee: Dow Global Technologies LLCInventors: Cornelis F. J. Den Doelder, Jesus Nieto, Frederik Gemoets
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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
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Publication number: 20200207889Abstract: 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: ApplicationFiled: July 13, 2018Publication date: July 2, 2020Applicant: Dow Global Technologies LLCInventors: Cornelis F.J. Den Doelder, Nhi T.Y. Dang, Eva-Maria Kupsch, Edward L. Lee
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Publication number: 20200087492Abstract: 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: ApplicationFiled: November 29, 2017Publication date: March 19, 2020Inventors: Cornelis F.J. Den Doelder, Carmelo Declet Perez, Otto J. Berbee, Hayley A. Brown
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Low density ethylene-based polymer compositions with high melt strength and mid-high density control
Patent number: 10538652Abstract: 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: GrantFiled: November 21, 2017Date of Patent: January 21, 2020Assignee: Dow Global Technologies LLCInventors: Cornelis F. J. Den Doelder, Karl Zuercher, Otto J. Berbee, Jian Wang, Teresa P. Karjala -
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
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Patent number: 10435489Abstract: 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: GrantFiled: September 20, 2016Date of Patent: October 8, 2019Assignee: Dow Global Technologies LLCInventors: Otto Berbee, Stefan Hinrichs, Nhi Dang, Juergen Siebdrat, Cornelis F. J. Den Doelder