Patents by Inventor Donald E. Kirkpatrick
Donald E. Kirkpatrick 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: 10583637Abstract: The present disclosure provides a coextruded multi layer film. The coextruded multilayer film includes a core component having from 15 to 1000 alternating layers of layer A and layer B. Layer A has a thickness from 30 nm to 1000 nm and includes a propylene-based polymer having a crystallization temperature (T1c). Layer B includes a second polymer having a glass transition temperature (T2g), wherein T1c<T2g. Layer A has an effective moisture permeability less than 0.40 g-mil/100 in2/day.Type: GrantFiled: June 25, 2014Date of Patent: March 10, 2020Assignee: Dow Global Technologies LLCInventors: Steven R. Jenkins, Patrick Chang Dong Lee, Joseph Dooley, Donald E. Kirkpatrick, Bernard E. Obi
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Patent number: 10336041Abstract: The present disclosure provides a coextruded multilayer films. In one embodiment, the coextruded multilayer film includes a core component having from 15 to 1000 alternating layers of layer A and layer B. Layer A has a thickness from 30 nm to 1000 nni and layer A includes a propylene-based polymer having a crystallization temperature (Tpc). Layer B includes an ethylene-based polymer having a crystallization temperature (TEc), wherein Tpc<TEc. Layer A has an effective moisture permeability less than 0.40 g-mil/100 in2/day.Type: GrantFiled: June 25, 2014Date of Patent: July 2, 2019Assignee: Dow Global Technologies LLCInventors: Steven R. Jenkins, Patrick Chang Dong Lee, Joseph Dooley, Donald E. Kirkpatrick, Bernard E. Obi
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Patent number: 10265933Abstract: A microlayer component having improved oxygen and water vapor barrier properties (i.e., decreased permeabilities) comprises a barrier microlayer of a semi-crystalline barrier polymer in direct contact with a confining microlayer to promote in-plane crystalline lamellae formation. A microlayer component having a significant amount of in-plane crystalline lamellae may be characterized by at least 1.5× oxygen permeability improvement and at least 1.5× water vapor permeability improvement. A microlayer component having at least 1.5× improvement in oxygen and water vapor permeability may be coextruded and subjected to post extrusion stretching or heat treating.Type: GrantFiled: November 18, 2013Date of Patent: April 23, 2019Assignee: Dow Global Technologies LLCInventors: Steven R. Jenkins, Patrick Lee, Joseph Dooley, Donald E. Kirkpatrick, Bernard Obi
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Patent number: 10259154Abstract: The present disclosure provides a coextruded multilayer film The coextruded multilayer film includes a core component having from 15 to 1000 alternating layers of layer A and layer B. Layer A has a thickness from 10 nm to 1000 nm and includes a beta-propylene-based polymer having a crystallization temperature (T1c). Layer B includes a second polymer having a glass transition temperature (T2g), wherein T1C<T2g. Layer A has an effective moisture permeability less than 6.2 g-mil/m2/24 hrs.Type: GrantFiled: May 27, 2015Date of Patent: April 16, 2019Assignee: Dow Global Technologies LLCInventors: Steven R. Jenkins, Patrick Chang Dong Lee, Joseph Dooley, Donald E. Kirkpatrick, Bernard E. Obi
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Publication number: 20170197348Abstract: A process for producing a film is provided and includes extruding a multilayer film with a core component comprising from 15 to 1000 alternating layers of layer A material and layer B material. The layer A material has a crystallization temperature, T1c. The process includes passing the multilayer film across an air gap having a length from 10 mm to 800 mm. The process includes moving the multilayer film across a roller at a rate from 20 kg/hr to 1000 kg/hr. The process includes maintaining the roller at a temperature from T1c—30° C. to T1c, and forming a multilayer film with a layer A having a thickness from 50 nm to 500 nm and an effective moisture permeability from 0.77 to 2.33 g-mil/m2/24 hrs.Type: ApplicationFiled: May 27, 2015Publication date: July 13, 2017Inventors: Patrick Chang Dong Lee, Joseph Dooley, Steven R. Jenkins, Donald E. Kirkpatrick, Robert E. Wrisley
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Publication number: 20170120495Abstract: The present disclosure provides a coextruded multilayer film The coextruded multilayer film includes a core component having from 15 to 1000 alternating layers of layer A and layer B. Layer A has a thickness from 10 nm to 1000 nm and includes a beta-propylene-based polymer having a crystallization temperature (T1c). Layer B includes a second polymer having a glass transition temperature (T2g), wherein T1C<T2g. Layer A h an effective moisture permeability less than 6.2 g-mil/m2/24 hrs.Type: ApplicationFiled: May 27, 2015Publication date: May 4, 2017Inventors: Steven R. JENKINS, Patrick Chang Dong LEE, Joseph DOOLEY, Donald E. KIRKPATRICK, Bernard E. OBI
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Publication number: 20160152009Abstract: The present disclosure provides a coextruded multi layer film. The coextruded multilayer film includes a core component having from 15 to 1000 alternating layers of layer A and layer B. Layer A has a thickness from 30 nm to 1000 nm and includes a propylene-based polymer having a crystallization temperature (T1c). Layer B includes a second polymer having a glass transition temperature (T2g), wherein l\ c<T2g. Layer A has an effective moisture permeability less than 0.40 g-mil/100 in2/day.Type: ApplicationFiled: June 25, 2014Publication date: June 2, 2016Inventors: Steven R. Jenkins, Patrick Chang Dong Lee, Joseph Dooley, Donald E. Kirkpatrick, Bernard E. Obi
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Publication number: 20160144604Abstract: The disclosure provides a coextruded multilayer film. The coextruded multilayer film includes a core component having from 15 to 1000 alternating layers of layer A and layer B. Layer A has a thickness from 100 nm to 500 nm and includes an ethylene-based polymer. Layer B has a thickness from 100 nm to 500 nm and includes a cyclic olefin polymer (“COP”). Layer A has an effective moisture permeability less than 0.20 g-mil/100 in2/day and an effective oxygen permeability less than 150 cc-mil/100 in2/day/atm. In an embodiment, the multilayer film includes skin layers.Type: ApplicationFiled: June 25, 2014Publication date: May 26, 2016Inventors: Steven R. Jenkins, Patrick Chang Dong Lee, Joseph Dooley, Donald E. Kirkpatrick, Bernard E. Obi
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Publication number: 20160144605Abstract: The present disclosure provides a coextruded multilayer films. In one embodiment, the coextruded multilayer film includes a core component having from 15 to 1000 alternating layers of layer A and layer B. Layer A has a thickness from 30 nm to 1000 nni and layer A includes a propylene-based polymer having a crystallization temperature (TPc). Layer B includes an ethylene-based polymer having a crystallization temperature (TEc), wherein TPc<TEc. Layer A has an effective moisture permeability less than 0.40 g-mil/100 in2/day.Type: ApplicationFiled: June 25, 2014Publication date: May 26, 2016Inventors: Steven R. Jenkins, Patrick Chang Dong Lee, Joseph Dooley, Donald E. Kirkpatrick, Bernard E. Obi
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Publication number: 20150298437Abstract: A microlayer component having improved oxygen and water vapor barrier properties (i.e., decreased permeabilities) comprises a barrier microlayer of a semi-crystalline barrier polymer in direct contact with a confining microlayer to promote in-plane crystalline lamellae formation. A microlayer component having a significant amount of in-plane crystalline lamellae may be characterized by at least 1.5× oxygen permeability improvement and at least 1.5× water vapor permeability improvement. A microlayer component having at least 1.5× improvement in oxygen and water vapor permeability may be coextruded and subjected to post extrusion stretching or heat treating.Type: ApplicationFiled: November 18, 2013Publication date: October 22, 2015Inventors: Steven R. Jenkins, Patrick Lee, Joseph Dooley, Donald E. Kirkpatrick, Bernard Obi
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Publication number: 20150297146Abstract: Embodiments of the invention provide systems and methods for remote sensing and/or monitoring utilizing a sensing device, such as may be implemented in a patch that can be placed on or affixed to a subject, where the sensing device includes multiple sensors. For example, one embodiment of the present invention includes a wireless human temperature skin patch providing accurate measurement of human temperature from a sensing device applied to the skin and even in the presence of differing ambient temperature. In such an embodiment, the patch can include, for example, a flexible, breathable bandage or adhesive strip or pad to affix the sensing device to a patient. The sensing device can include multiple sensors such as two or more temperature sensors that can be used to accurately determine the patient's core body temperature from the measured temperature at the skin.Type: ApplicationFiled: January 5, 2015Publication date: October 22, 2015Inventors: Richard S. Pollack, Joseph Michael Letkomiller, Wade W. Webster, Scott D. Dalgeish, Donald E. Kirkpatrick
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Patent number: 8930147Abstract: Embodiments of the invention provide systems and methods for remote sensing and/or monitoring utilizing a sensing device, such as may be implemented in a patch that can be placed on or affixed to a subject, where the sensing device includes multiple sensors. For example, one embodiment of the present invention includes a wireless human temperature skin patch providing accurate measurement of human temperature from a sensing device applied to the skin and even in the presence of differing ambient temperature. In such an embodiment, the patch can include, for example, a flexible, breathable bandage or adhesive strip or pad to affix the sensing device to a patient. The sensing device can include multiple sensors such as two or more temperature sensors that can be used to accurately determine the patient's core body temperature from the measured temperature at the skin.Type: GrantFiled: February 7, 2011Date of Patent: January 6, 2015Assignee: Prima-Temp, Inc.Inventors: Richard S. Pollack, Joseph Michael Letkomiller, Wade W. Webster, Scott D. Dalgleish, Donald E. Kirkpatrick
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Publication number: 20110213559Abstract: Embodiments of the invention provide systems and methods for remote sensing and/or monitoring utilizing a sensing device, such as may be implemented in a patch that can be placed on or affixed to a subject, where the sensing device includes multiple sensors. For example, one embodiment of the present invention includes a wireless human temperature skin patch providing accurate measurement of human temperature from a sensing device applied to the skin and even in the presence of differing ambient temperature. In such an embodiment, the patch can include, for example, a flexible, breathable bandage or adhesive strip or pad to affix the sensing device to a patient. The sensing device can include multiple sensors such as two or more temperature sensors that can be used to accurately determine the patient's core body temperature from the measured temperature at the skin.Type: ApplicationFiled: February 7, 2011Publication date: September 1, 2011Applicant: Prima-Temp Inc.Inventors: Richard S. Pollack, Joseph Michael Letkomiller, Wade W. Webster, Scott D. Dalgleish, Donald E. Kirkpatrick
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Publication number: 20020068139Abstract: Article of manufacture comprising (i) a sheet of a foamed mixture of starch and at least one of, a polyhydroxy ether, a poly(hydroxy amino ether), a poly(hydroxy ether sulfonamide), a poly(hydroxy ether sulfide), a poly(hydroxy amide ether), or polyvinyl alcohol and (ii) a barrier layer. Specifically, a beverage cup or ice chest with foamed starch/polymer core layer.Type: ApplicationFiled: December 4, 2000Publication date: June 6, 2002Inventors: Brent T. Polak, Marie S. Winkler, Donald E. Kirkpatrick
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Patent number: 6376583Abstract: A process for preparing a starch-based thermoplastic hydroxy-functional polyether comprising (1) feeding from about 40 to about 98 weight percent starch and from about 2 to about 60 weight percent of a thermoplastic hydroxy-functional polyether derived from monomers containing one or more epoxy groups into a processing equipment at a temperature and for a time sufficient to provide a compounded mixture of the components and then (2) forming the compounded mixture into pellets. The pellets are suitable for injection molding and other thermal processes.Type: GrantFiled: February 18, 2000Date of Patent: April 23, 2002Assignee: The Dow Chemical CompanyInventors: Marie S. Winkler, Tricia S. Berry, Donald E. Kirkpatrick, David F. Pawlowski
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Patent number: 6365079Abstract: A process for preparing a starch-based thermoplastic hydroxy-functionalized polyetheramine comprising continuously feeding from about 40 to about 98 weight percent starch and from about 2 to about 60 weight percent of a thermoplastic hydroxy-functionalized polyetheramine into a mixing screw extruder at a temperature of from about 30° C. to about 120° C. while maintaining a water content in the extruder of from about 7 to about 50 percent, continuously removing the compounded mixture from the extruder in the form of strands at a rate of from 13.5 to 2725 kg/hour, and forming the strands of compounded mixture into pellets.Type: GrantFiled: May 11, 2000Date of Patent: April 2, 2002Assignee: Dow Chemical CompanyInventors: Marie S. Winkler, Tricia S. Berry, Donald E. Kirkpatrick
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Patent number: 5700887Abstract: A process for producing a branched polymer from a vinyl aromatic monomer comprising:A) contacting a vinyl aromatic monomer with a difunctional anionic initiator under conditions such that a dianion macromer is formed,B) contacting the dianion macromer with a multifunctional coupling agent having at least 3 reactive sites under polymerization conditions such that branches form during polymerization, andC) contacting the product of step B with a terminating agent under conditions such that the reactive sites are terminated.Type: GrantFiled: February 2, 1996Date of Patent: December 23, 1997Assignee: The Dow Chemical CompanyInventors: Jerry L. Hahnfeld, Timothy G. Bee, Donald E. Kirkpatrick, Lu Ho Tung, William C. Pike
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Patent number: 5236649Abstract: The present invention is a coated particulate in the form of a powder or in the form of a pellet, the particulate comprising a vinylidene chloride interpolymer and being coated with at least one processing aid at a level effective to improve the extrudability of the vinylidene chloride interpolymer. The processing aid beneficially is selected from the group consisting of fatty esters; wax esters; glycerol esters; glycol esters; fatty alcohol esters, fatty alcohols; fatty amides; metallic salts of fatty acids; olefin polymers and polyolefin waxes.Type: GrantFiled: September 16, 1991Date of Patent: August 17, 1993Assignee: The Dow ChemicalInventors: Mark J. Hall, Stephen R. Betso, Duane F. Foye, Kun S. Hyun, Steven R. Jenkins, Donald E. Kirkpatrick, Paul T. Louks, James A. Stevenson
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Patent number: 5115029Abstract: In one embodiment, the present invention is a polymeric composition, in pellet form, which comprises a vinyldene chloride interpolymer, and a friction reducing polymer (FRP) in an amount of from about 0.1 to about 40 weight percent, said weight percent being based on the total weight of the polymeric composition. The FRP is selected to selected to lower the frictional coefficient and the mechanical energy to extrude of the polymeric composition. In another embodiment, the present invention is a polymeric composition, in either power or pellet form, possessing improved extrudability, composition comprises a vinylidene chloride interpolymer in an amount of from about 55 to about 99.85 weight percent, a FRP in an amount from about 0.1 to about 40 weight percent, and a salt of an acid in an amount of between about 0.05 and about 5 weight percent, said weight percents being based on the total weight of the polymeric composition.Type: GrantFiled: February 26, 1990Date of Patent: May 19, 1992Assignee: The Dow Chemical CompanyInventors: Donald E. Kirkpatrick, James A. Stevenson, Kun S. Hyun