Patents by Inventor Gert J. Claasen
Gert J. Claasen 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: 10967619Abstract: A stretch-modified elastomeric multilayer film comprising a core layer comprising a first ethylene-?-olefin block copolymer, wherein the first ethylene-?-olefin block copolymer comprises at least 50 mol. % ethylene, has a melt index (I2) from 0.5 g/10 min to 5 g/10 min, and has a density of 0.850 g/cc to 0.890 g/cc, and at least one outer layer independently comprising a second ethylene-?-olefin block copolymer and from 2.5 to 30 wt. % of an antiblock agent, wherein the second ethylene-?-olefin block copolymer comprises at least 50 mol. % ethylene, has a melt index (I2) from 0.5 g/10 min to 25 g/10 min, and has a density of 0.850 g/cc to 0.890 g/cc, wherein the density of the first ethylene-?-olefin block copolymer is equal to or greater than the density of the second ethylene-?-olefin block copolymer.Type: GrantFiled: September 21, 2015Date of Patent: April 6, 2021Assignee: Dow Global Technologies LLCInventors: Andy C. Chang, Jacquelyn A. Degroot, Kate R. Brown, Aleksandar Stoiljkovic, Gert J. Claasen, Barbara Bonavoglia, Carlos E. Ruiz
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Patent number: 10391739Abstract: The instant invention provides bi-component fibers and fabrics made therefrom. The bi-component fiber according to the present invention comprises: (a) from 5 to 95 percent by weight of a first component comprising at least one or more first polymers, based on the total weight of the bi-component fiber; (b) from 5 to 95 percent by weight of a second component comprising at least an ethylene-based polymer composition, based on the total weight of the bicomponent fiber, wherein said ethylene-based polymer composition comprises; (i) less than or equal to 100 percent by weight of the units derived from ethylene; and (ii) less than 30 percent by weight of units derived from one or more ?-olefin comonomers; wherein said ethylene-based polymer composition is characterized by having a Comonomer Distribution Constant in the range of from greater than from 100 to 400, a vinyl unsaturation of less than 0.Type: GrantFiled: October 4, 2012Date of Patent: August 27, 2019Assignee: Dow Global Technologies LLCInventors: Barbara Bonavoglia, Gert J. Claasen, Jacquelyn A. Degroot, Selim Bensason
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Patent number: 10131114Abstract: The instant invention provides nonwoven fabrics and staple or binder fibers prepared from an ethylene-based polymer having a Comonomer Distribution Constant in the range of from greater than from 100 to 400, a vinyl unsaturation of less than 0.1 vinyls per one thousand carbon atoms present in the backbone of the ethylene-based polymer composition; a zero shear viscosity ratio (ZSVR) in the range from 1 to less than 2; a density in the range of 0.930 to 0.970 g/cm3, a melt index (12) in the range of from 15 to 30 or from 10 to 50 g/10 minutes, a molecular weight distribution (Mw/Mn) in the range of from 2 to 3.5, and a molecular weight distribution (Mz/Mw) in the range of from less than 2.Type: GrantFiled: October 4, 2012Date of Patent: November 20, 2018Assignee: Dow Global Technologies LLCInventors: Jacquelyn A Degroot, Gert J. Claasen, Selim Bensason, Mehmet Demirors, Thor Gudmundsson, Jason C. Brodil
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Patent number: 9873958Abstract: Fibers made a polyethylene composition, and method of making the same. The polyethylene composition comprises less than or equal to 100 percent by weight of the units derived from ethylene and less than 20 percent by weight of units derived from one or more ?-olefin comonomers; wherein said polyethylene composition has a density in the range of 0.930 to 0.960 g/cm3, a molecular weight distribution (Mw/Mn) in the range of 1.70 to 3.5, a melt index (I2) in the range of 1 to 300 g/10 minutes, a molecular weight distribution (Mz/Mw) in the range of less than 2.5, a shear viscosity in the range of 20 to 250 Pascal-s at 3000 s?1 shear rate measured at 190° C., vinyl unsaturation of less than 0.1 vinyls per one thousand carbon atoms present in the backbone of said composition; and wherein the fiber is a monocomponent meltspun fiber.Type: GrantFiled: February 20, 2017Date of Patent: January 23, 2018Assignee: Dow Global Technologies LLCInventors: Randy E. Pepper, Mridula Babli Kapur, Gert J. Claasen, Edward N. Knickerbocker, Nathan J. Wiker, William J. Michie, Jr., Mark B. Davis
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Publication number: 20170341836Abstract: A package formed from a multilayer structure which comprises a nonwoven layer; a coextruded multilayer film having a polyolefin-based sealant layer with a melting point of equal to or less than 127° C.; wherein the nonwoven layer forms an outer layer of the package is provided.Type: ApplicationFiled: August 28, 2015Publication date: November 30, 2017Applicant: Dow Global Technologies LLCInventors: Shaun Parkinson, Gert J. Claasen, Kurt Brunner
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Publication number: 20170253012Abstract: A stretch-modified elastomeric multilayer film comprising a core layer comprising a first ethylene-?-olefin block copolymer, wherein the first ethylene-?-olefin block copolymer comprises at least 50 mol. % ethylene, has a melt index (12) from 0.5 g/10 min to 5 g/10 min, and has a density of 0.850 g/cc to 0.890 g/cc, and at least one outer layer independently comprising a second ethylene-?-olefin block copolymer and from 2.5 to 30 wt. % of an antiblock agent, wherein the second ethylene-?-olefin block copolymer comprises at least 50 mol. % ethylene, has a melt index (12) from 0.5 g/10 min to 25 g/10 min, and has a density of 0.850 g/cc to 0.890 g/cc, wherein the density of the first ethylene-?-olefin block copolymer is equal to or greater than the density of the second ethylene-?-olefin block copolymer.Type: ApplicationFiled: September 21, 2015Publication date: September 7, 2017Applicant: Dow Global Technologies LLCInventors: Andy C. Chang, Jacquelyn A. Degroot, Kate R. Brown, Aleksandar Stoiljkovic, Gert J. Claasen, Barbara Bonavoglia, Carlos E. Ruiz
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Patent number: 9683096Abstract: A polypropylene impact copolymer is disclosed. The propylene impact copolymer composition comprises from 60 to 90 percent by weight of the impact copolymer composition of a matrix phase, which can be a homopolymer polypropylene or random polypropylene copolymer having from 0.1 to 7 mol percent of units derived from ethylene or C4-C10 alpha olefins. The propylene impact copolymer composition also comprises from 10 to 40 percent by weight of the impact copolymer composition of a dispersed phase, which comprises a propylene/alpha-olefin copolymer having from 6 to 40 mol percent of units derived from ethylene or C4-C10 alpha olefins, wherein the dispersed phase has a comonomer content which is greater than the comonomer content in the matrix phase. The propylene impact copolymer composition is further characterized by having the ratio of the dispersed phase intrinsic viscosity (IV) to the matrix phase IV being 0.95 or less.Type: GrantFiled: August 19, 2010Date of Patent: June 20, 2017Assignee: Braskem America, Inc.Inventors: John Kaarto, Alechia Crown, Li-Min Tau, Gert J. Claasen
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Publication number: 20170159211Abstract: Fibers made a polyethylene composition, and method of making the same. The polyethylene composition comprises less than or equal to 100 percent by weight of the units derived from ethylene and less than 20 percent by weight of units derived from one or more ?-olefin comonomers; wherein said polyethylene composition has a density in the range of 0.930 to 0.960 g/cm3, a molecular weight distribution (Mw/Mn) in the range of 1.70 to 3.5, a melt index (I2) in the range of 1 to 300 g/10 minutes, a molecular weight distribution (Mz/Mw) in the range of less than 2.5, a shear viscosity in the range of 20 to 250 Pascal-s at 3000 s?1 shear rate measured at 190° C., vinyl unsaturation of less than 0.1 vinyls per one thousand carbon atoms present in the backbone of said composition; and wherein the fiber is a monocomponent meltspun fiber.Type: ApplicationFiled: February 20, 2017Publication date: June 8, 2017Inventors: Randy E. Pepper, Mridula Babli Kapur, Gert J. Claasen, Edward N. Knickerbocker, Nathan J. Wiker, William J. Michie, JR., Mark B. Davis
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Patent number: 9663642Abstract: The instant invention discloses fibers. The fibers according to the instant invention comprise a polyethylene composition comprising: (a) less than or equal to 100 percent by weight of the units derived from ethylene; and (b) less than 20 percent by weight of units derived from one or more ?-olefin comonomers; wherein the polyethylene composition has a density in the range of 0.920 to 0.970 g/cm3, a molecular weight distribution (Mw/Mn) in the range of 1.70 to 3.5, a melt index (I2) in the range of 0.2 to 1000 g/10 minutes, a molecular weight distribution (Mz/Mw) in the range of less than 2.5, vinyl unsaturation of less than 0.1 vinyls per one thousand carbon atoms present in the backbone of the composition.Type: GrantFiled: July 9, 2009Date of Patent: May 30, 2017Assignee: Dow Global Technologies LLCInventors: Randy E. Pepper, Mridula Kapur, Gert J. Claasen, Edward N. Knickerbocker, Nathan J. Wiker, William J. Michie, Jr., Mark B. Davis
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Publication number: 20160317696Abstract: A process for making a hydrophilic nonwoven structure comprising: forming a nonwoven structure comprising fibers; and exposing the nonwoven structure to an atmospheric plasma comprising an inert gas and a substance having a polar group and which can be vaporized or made into an aerosol and which forms a free radical upon exposure to a dielectric barrier discharge is provided. Also provided are nonwoven structures produced thereby and articles containing the nonwoven structures.Type: ApplicationFiled: December 15, 2014Publication date: November 3, 2016Inventors: Rudolph J. Koopmans, Evren Aslan-Guerel, Gert J. Claasen
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Publication number: 20150308039Abstract: The present invention relates to nonbreathable extrusion coated nonwoven structures. The structures comprise a nonwoven web comprised of monocomponent or bicomponent fibers having a coating comprising LDPE optionally blended with LLDPE and/or an elastomer. The monocomponent or bicomponent fibers comprise an ethylene based polymer, preferably at the surface of the fiber.Type: ApplicationFiled: November 14, 2013Publication date: October 29, 2015Inventors: Barbara Bonaboglia, Elena E. Cordublas, Gert J. Claasen, Jacquelyn A. Degroot, Fabricio Arteaga Larios, Carlos E. Ruiz
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Publication number: 20140248816Abstract: The instant invention provides bi-component fibers and fabrics made therefrom. The bi-component fiber according to the present invention comprises: (a) from 5 to 95 percent by weight of a first component comprising at least one or more first polymers, based on the total weight of the bi-component fiber; (b) from 5 to 95 percent by weight of a second component comprising at least an ethylene-based polymer composition, based on the total weight of the bicomponent fiber, wherein said ethylene-based polymer composition comprises; (i) less than or equal to 100 percent by weight of the units derived from ethylene; and (ii) less than 30 percent by weight of units derived from one or more ?-olefin comonomers; wherein said ethylene-based polymer composition is characterized by having a Comonomer Distribution Constant in the range of from greater than from 100 to 400, a vinyl unsaturation of less than 0.Type: ApplicationFiled: October 4, 2012Publication date: September 4, 2014Applicant: DOW GLOBAL TECHNOLOGIES LLCInventors: Barbara Bonavoglia, Gert J. Claasen, Jacquelyn A. Degroot, Selim Bensason
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Publication number: 20140248811Abstract: The instant invention provides nonwoven fabrics and staple or binder fibres prepared from an ethylene-based polymer having a Comonomer Distribution Constant in the range of from greater than from 100 to 400, a vinyl unsaturation of less than 0.1 vinyls per one thousand carbon atoms present in the backbone of the ethylene-based polymer composition; a zero shear viscosity ratio (ZSVR) in the range from 1 to less than 2; a density in the range of 0.930 to 0. 970 g/cm3, a melt index (12) in the range of from 15 to 30 or from 10 to 50 g/10 minutes, a molecular weight distribution (Mw/Mn) in the range of from 2 to 3.5, and a molecular weight distribution (Mz/Mw) in the range of from less than 2.Type: ApplicationFiled: October 4, 2012Publication date: September 4, 2014Applicant: Dow Global Technologies LLCInventors: Jacquelyn A. Degroot, Gert J. Claasen, Selim Bensason, Mehmet Demirors, Thor Gudmundsson, Jason C. Brodil
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Publication number: 20140187114Abstract: The present invention is an extensible nonwoven comprising a polyolefin elastomer fiber wherein the surface of the fiber further comprises an inorganic filler or PDMS or combinations thereof, wherein the inorganic filler, if present, has D-90 particle size of 5 microns or less.Type: ApplicationFiled: December 28, 2012Publication date: July 3, 2014Applicants: Dow Brasil S.A., Dow Global Technologies LLCInventors: Hong Peng, Emil Hersche, Jozef J. Van Dun, Edward N. Knickerbocker, Andy C. Chang, Angels Domenech, Aleksandar Stoiljkovic, Gert J. Claasen
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Publication number: 20140121619Abstract: The present invention relates to coatings for articles comprising a non-zeolitic silica mesoporous structure. The coatings of the present invention have shown an ability to effectively reduce odors.Type: ApplicationFiled: October 25, 2012Publication date: May 1, 2014Applicant: Dow Global Technologies LLCInventors: Evren Aslan-Guerel, Gert J. Claasen, Rudolf J. Koopmans, Scott T. Matteucci
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Publication number: 20130267138Abstract: A method of forming an article that includes applying an aqueous dispersion to a porous substrate, wherein the aqueous dispersion includes a thermoplastic polymer, a dispersing agent, and water. The method includes removing at least a portion of the water, to result in an article formed that is breathable.Type: ApplicationFiled: June 3, 2013Publication date: October 10, 2013Inventors: Gert J. Claasen, Miguel A. Prieto, Martin Pavlik
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Publication number: 20130209707Abstract: The present disclosure provides for a tape or monofilament of a polyethylene composition comprising less than or equal to 100 percent by weight of the polyethylene composition derived from ethylene monomers, and less than 20 percent by weight of the polyethylene composition derived from one or more ?-olefin monomers, where the polyethylene composition of the tape or monofilament has a density in the range of 0.920 to 0.970 g/cm3, a molecular weight distribution (Mw/Mn) in the range of 1.70 to 3.5, a melt index (I2) in the range of 0.2 to 50 g/10 minutes, a molecular weight distribution (Mz/Mw) in the range of less than 2.5, vinyl unsaturation of less than 0.1 vinyls per one thousand carbon atoms present in the backbone of the polyethylene composition, where the tape or monofilament has a decitex of greater than 500 g/10,000 m.Type: ApplicationFiled: October 29, 2010Publication date: August 15, 2013Applicant: DOW GLOBAL TECHNOLOGIES LLCInventors: Peter Sandkuehler, Gert J. Claasen
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Publication number: 20130023177Abstract: The present invention provides bicomponent fibers, a method of producing bicomponent fibers, nonwoven materials comprising one or more such bicomponent fibers, and a method for making such nonwoven materials. The bicomponent fibers according to the present invention comprise (a) a first component comprising a polymeric material selected from the group consisting of polypropylene, polyester, and polyamide; and (b) a second component comprising a polyethylene composition comprising less than or equal to 100 percent by weight of the units derived from ethylene; and less than 20 percent by weight of units derived from one or more ?-olefin comonomers; wherein the polyethylene composition has a density in the range of from 0.945 to 0. 965 g/cm3, a molecular weight distribution (Mw/Mn) in the range of from 1.70 to 3.5, a melt index (I2) in the range of from 0.2 to 150 g/10 minutes, a molecular weight distribution (Mz/Mw) in the range of from less than 2.5, vinyl unsaturation in the range of from less than 0.Type: ApplicationFiled: February 2, 2011Publication date: January 24, 2013Applicant: Dow Blobal Technologies LLCInventors: Gert J. Claasen, Angels Domenech, Thor Gudmundsson
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Publication number: 20120045956Abstract: Fabricated articles are disclosed which comprise a polypropylene impact copolymer. The propylene impact copolymer composition comprises from 60 to 90 percent by weight of the impact copolymer composition of a matrix phase, which can be a homopolymer polypropylene or random polypropylene copolymer having from 0.1 to 7 mol percent of units derived from ethylene or C4-C10 alpha olefins. The propylene impact copolymer composition also comprises from 10 to 40 percent by weight of the impact copolymer composition of a dispersed phase, which comprises a propylene/alpha-olefin copolymer having from 6 to 40 mol percent of units derived from ethylene or C4-C10 alpha olefins, wherein the dispersed phase has a comonomer content which is greater than the comonomer content in the matrix phase. The propylene impact copolymer composition is further characterized by having the ratio of the matrix MFR to the dispersed phase MFR being 1.2 or less.Type: ApplicationFiled: August 19, 2010Publication date: February 23, 2012Applicant: Dow Global Technologies Inc.Inventors: Li-Min Tau, Gert J. Claasen, Charles R. Crosby, III, Alechia Crown, John Kaarto
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Publication number: 20120046400Abstract: A polypropylene impact copolymer is disclosed. The propylene impact copolymer composition comprises from 60 to 90 percent by weight of the impact copolymer composition of a matrix phase, which can be a homopolymer polypropylene or random polypropylene copolymer having from 0.1 to 7 mol percent of units derived from ethylene or C4-C10 alpha olefins. The propylene impact copolymer composition also comprises from 10 to 40 percent by weight of the impact copolymer composition of a dispersed phase, which comprises a propylene/alpha-olefin copolymer having from 6 to 40 mol percent of units derived from ethylene or C4-C10 alpha olefins, wherein the dispersed phase has a comonomer content which is greater than the comonomer content in the matrix phase. The propylene impact copolymer composition is further characterized by having the ratio of the matrix MFR to the dispersed phase MFR being 1.2 or less.Type: ApplicationFiled: August 19, 2010Publication date: February 23, 2012Applicant: Dow Global Technologies Inc.Inventors: John Kaarto, Alechia Crown, Li-Min Tau, Gert J. Claasen