Patents by Inventor David J. Moll
David J. Moll 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: 9440196Abstract: A method of making a composite membrane comprising the steps of forming a discriminating layer upon a surface of a porous support by sequentially applying immiscible coating solutions upon the support, wherein one coating solution comprises a crosslinking agent and another coating solution comprises a block copolymer, and the block copolymer comprises sacrificial segments and durable segments including reactive pendent groups which react with the crosslinking agent and form a crosslinked matrix comprising micro-domains of the sacrificial segments, and removing at least a portion of the sacrificial segments to yield pores.Type: GrantFiled: February 12, 2013Date of Patent: September 13, 2016Assignee: Dow Global Technologies LLCInventors: David J. Moll, H. C. Silvis
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Patent number: 9321871Abstract: A water-insoluble copolymer including an epoxide containing structural unit represented by Formula (I), wherein: the epoxide containing group is positioned meta, ortho or para on the ring relative to the bond linkage with the polymer backbone; L is an optional linking group; and R1, R2 and R3 are independently selected from: hydrogen, or a substituted or unsubstituted hydrocarbyl group.Type: GrantFiled: October 7, 2013Date of Patent: April 26, 2016Inventors: Alfred K. Schultz, Gregoire Cardoen, William I. Harris, William J. Harris, Charles R. Marston, David J. Moll
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Publication number: 20150259456Abstract: A water-insoluble copolymer including an epoxide containing structural unit represented by Formula (I), wherein: the epoxide containing group is positioned meta, ortho or para on the ring relative to the bond linkage with the polymer backbone; L is an optional linking group; and R1, R2 and R3 are independently selected from: hydrogen, or a substituted or unsubstituted hydrocarbyl group.Type: ApplicationFiled: October 7, 2013Publication date: September 17, 2015Inventors: Alfred K. Schultz, Gregoire Cardoen, William I. Harris, William J. Harris, Charles R. Marston, David J. Moll
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Patent number: 8911625Abstract: The invention includes a spiral wound module comprising at least one membrane sheet wrapped about a permeate collection tube wherein the membrane sheet (14) comprises a plurality of capillary channels in parallel arrangement with each other and which are in fluid communication with the permeate collection tube (12). Many additional embodiments are disclosed along with methods for making and using the module and corresponding components.Type: GrantFiled: July 1, 2010Date of Patent: December 16, 2014Assignee: Dow Global Technologies LLCInventors: Gerald F. Billovits, Thomas E. Fisk, Steven D. Jons, David J. Moll
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Publication number: 20140363572Abstract: A method of making a composite membrane comprising the steps of forming a discriminating layer upon a surface of a porous support by sequentially applying immiscible coating solutions upon the support, wherein one coating solution comprises a crosslinking agent and another coating solution comprises a block copolymer, and the block copolymer comprises sacrificial segments and durable segments including reactive pendent groups which react with the crosslinking agent and form a crosslinked matrix comprising micro-domains of the sacrificial segments, and removing at least a portion of the sacrificial segments to yield pores.Type: ApplicationFiled: February 12, 2013Publication date: December 11, 2014Applicant: DOW GLOBAL TECHNOLOGIES LLCInventors: David J. Moll, H. C. Silvis
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Patent number: 8834663Abstract: A method for assembling an electrodeionization device comprising providing in a sequential arrangement: an anode, membrane cell assembly, cathode; wherein the membrane cell assembly comprises at least one sequential arrangement of: a cation exchange membrane, concentrating chamber, anion exchange membrane, diluting chamber, cation exchange membrane, concentrating chamber and anion exchange membrane. The method includes locating an ion exchange spacer in at least one chamber of the membrane cell assembly wherein an ion exchange spacer comprises an ion exchange resin and a dissolvable binder.Type: GrantFiled: May 22, 2012Date of Patent: September 16, 2014Assignee: Dow Global Technologies LLCInventors: Steven D. Jons, Joseph Dooley, David J. Moll, Gregg L. Poppe, Mark A. Spalding
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Publication number: 20140083601Abstract: A method for assembling an electrodeionization device comprising providing in a sequential arrangement: an anode, membrane cell assembly, cathode; wherein the membrane cell assembly comprises at least one sequential arrangement of: a cation exchange membrane, concentrating chamber, anion exchange membrane, diluting chamber, cation exchange membrane, concentrating chamber and anion exchange membrane. The method includes locating an ion exchange spacer in at least one chamber of the membrane cell assembly wherein an ion exchange spacer comprises an ion exchange resin and a dissolvable binder.Type: ApplicationFiled: May 22, 2012Publication date: March 27, 2014Applicant: Dow Global Technologies LLCInventors: Steven D. Jons, Joseph Dooley, David J. Moll, Gregg L. Poppe, Mark A. Spalding
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Patent number: 8506808Abstract: A tubesheet, modules incorporating tubesheets and methods for making and using the same. In one embodiment the invention includes a tubesheet comprising: i) a plurality of aligned semi-permeable hollow fiber membranes each comprising a cylindrical porous structure surrounding a lumen and extending between a first and second end and further comprising a first segment located adjacent the first end and a second segment located adjacent to the second end and ii) a block of potting material including an interfacial surface. The first segment of the hollow fiber membrane is embedded within the block of potting material and the second segment extends from the interfacial surface of the block. The tubesheet further comprises a penetrating extension of potting material within the porous structure of the second segment of the hollow fiber membrane that extends along a length from the interfacial surface of the block to a distal end.Type: GrantFiled: September 28, 2010Date of Patent: August 13, 2013Assignee: Dow Global Technologies LLCInventors: Scott T. Burr, Peter E. M. Aerts, Gavin D. Vogel, David J. Moll
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Patent number: 8241495Abstract: A filtration module comprising at least one membrane sheet comprising a plurality of capillary channels in parallel arrangement with each other and which are in fluid communication with a header.Type: GrantFiled: August 18, 2010Date of Patent: August 14, 2012Assignee: Dow Global Technologies LLCInventors: Peter E. M. Aerts, David J. Moll
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Patent number: 8210042Abstract: A spiral wound module assembly comprising: a permeate collection tube, at least one membrane envelope wound about the permeate collection tube, an outer module housing, and at least one acoustic transducer located adjacent to the permeate collection tube. Several embodiments are disclosed including a stand-alone probe adapted for insertion into the permeate collection tube. In several other embodiments, one or more transducers are secured to the inner surface of the permeate collection tube.Type: GrantFiled: February 22, 2007Date of Patent: July 3, 2012Assignee: Dow Global Technologies LLCInventors: William E. Mickols, Michael S. Koreltz, David J. Moll, Donald B. Streeter
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Publication number: 20120097597Abstract: The invention includes a spiral wound module comprising at least one membrane sheet wrapped about a permeate collection tube wherein the membrane sheet (14) comprises a plurality of capillary channels in parallel arrangement with each other and which are in fluid communication with the permeate collection tube (12). Many additional embodiments are disclosed along with methods for making and using the module and corresponding components.Type: ApplicationFiled: July 1, 2010Publication date: April 26, 2012Inventors: Gerald Billovits, Thomas E. Fisk, Steven D. Jons, David J. Moll
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Publication number: 20120074054Abstract: A tubesheet, modules incorporating tubesheets and methods for making and using the same. In one embodiment the invention includes a tubesheet comprising: i) a plurality of aligned semi-permeable hollow fiber membranes each comprising a cylindrical porous structure surrounding a lumen and extending between a first and second end and further comprising a first segment located adjacent the first end and a second segment located adjacent to the second end and ii) a block of potting material including an interfacial surface. The first segment of the hollow fiber membrane is embedded within the block of potting material and the second segment extends from the interfacial surface of the block. The tubesheet further comprises a penetrating extension of potting material within the porous structure of the second segment of the hollow fiber membrane that extends along a length from the interfacial surface of the block to a distal end.Type: ApplicationFiled: September 28, 2010Publication date: March 29, 2012Inventors: Scott T. Burr, Peter E.M. Aerts, Gavin D. Vogel, David J. Moll
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Patent number: 8114478Abstract: A method for making dual-sided membrane sheet comprises the steps of: a) forming a microporous polymer sheet including a plurality of capillary channels and b) forming a semi-permeable discriminating layer upon at least a portion of the opposing outer surfaces of the sheet, wherein the sheet is advanced along a production pathway during at least a portion of: step a), step b), or while transferring the sheet from step a) to step b) by engaging the sheet along one or more of its edge sections.Type: GrantFiled: September 17, 2010Date of Patent: February 14, 2012Assignee: Dow Global Technologies LLCInventors: Michael S. Koreltz, David J. Moll
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Publication number: 20110049038Abstract: A filtration module comprising at least one membrane sheet comprising a plurality of capillary channels in parallel arrangement with each other and which are in fluid communication with a header.Type: ApplicationFiled: August 18, 2010Publication date: March 3, 2011Inventors: Peter E. M. Aerts, David J. Moll
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Patent number: 7497952Abstract: A method for removing dissolved contaminants from solution using a surface-activated crystalline titanium oxide product having a high adsorptive capacity and a high rate of adsorption with respect to dissolved contaminants, in particular, arsenate and arsenite. Preferably, the titanium oxide product includes crystalline anatase having primary crystallite diameters in the range of 1-30 nm. The surface-activated titanium oxide is combined with other filter media to further improve the removal of dissolved contaminants.Type: GrantFiled: July 7, 2005Date of Patent: March 3, 2009Assignee: The Trustees of Stevens Institute of TechnologyInventors: Xiaoguang Meng, Mazakhir Dadachov, George P. Korfiatis, Christos Christodoulatos, David J. Moll, Geofrey Paul Onifer, Daniel B. Rice, Robert E. Reim, Fredrick W. Vance, Harlan Robert Goltz, Chan Han, William I. Harris
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Patent number: 7473369Abstract: A method for removing dissolved contaminants from solution using a surface-activated crystalline titanium oxide product having a high adsorptive capacity and a high rate of adsorption with respect to dissolved contaminants, in particular, arsenate and arsenite. Preferably, the titanium oxide product includes crystalline anatase having primary crystallite diameters in the range of 1-30 nm. The surface-activated titanium oxide is combined with other filter media to further improve the removal of dissolved contaminants.Type: GrantFiled: July 14, 2005Date of Patent: January 6, 2009Assignee: The Trustees of the Stevens Institute of TechnologyInventors: Xiaoguang Meng, Mazakhir Dadachov, George P. Korfiatis, Christos Christodoulatos, David J. Moll, Geofrey Paul Onifer, Daniel B. Rice, Robert E. Reim, Fredrick W. Vance, Harlan Robert Goltz, Chan Han, William I. Harris
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Publication number: 20080269366Abstract: Disclosed herein are microporous films comprising polymer blends comprising at least two polymers and a compatibilizer. The films may also comprise at least one ethylene/?-olefin interpolymer and two different polyolefins which can be homopolymers. The ethylene/?-olefin interpolymers are block copolymers comprising at least a hard block and at least a soft block. In some embodiments, the ethylene/?-olefin interpolymer can function as a compatibilizer between the two polyolefins which may not be otherwise compatible. Methods of making the polymer blends and microporous films made from the polymer blends are also described.Type: ApplicationFiled: April 25, 2008Publication date: October 30, 2008Applicant: Dow Global Technologies Inc.Inventors: Edward O. Shaffer, Rajen M. Patel, Andon Samurkas, Michael T. Malanga, David J. Moll, Marie S. Winkler
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Publication number: 20080202242Abstract: A spiral wound module assembly comprising: a permeate collection tube, at least one membrane envelope wound about the permeate collection tube, an outer module housing, and at least one acoustic transducer located adjacent to the permeate collection tube. Several embodiments are disclosed including a stand-alone probe adapted for insertion into the permeate collection tube. In several other embodiments, one or more transducers are secured to the inner surface of the permeate collection tube.Type: ApplicationFiled: February 22, 2007Publication date: August 28, 2008Inventors: William Mickols, Michael S. Koreltz, David J. Moll, Donald B. Streeter
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Patent number: 5837032Abstract: This invention relates to a method of an apparatus and method for separating component gases in a gas mixture employing a glassy polymer membrane at temperatures at or slightly above the freezing point of any liquid present so as to achieve superior separator of gas components. The composition of certain monomers and polymers are claimed.Type: GrantFiled: February 10, 1995Date of Patent: November 17, 1998Assignee: The Cynara CompanyInventors: David J. Moll, Alan F. Burmester, Thomas C. Young, Kent B. McReynolds, James E. Clark, Charles Z. Hotz, Ritchie A. Wessling, George J. Quarderer, Ronald M. Lacher, Thomas O. Jeanes, Henry N. Beck, Stephen E. Bales, Bethanne L. Smith
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Patent number: 5679133Abstract: This invention relates to a method of and apparatus for separating component gases in a gas mixture employing a glassy polymer membrane at temperatures of 5.degree. C. or less so as to achieve superior separation of gas components.Type: GrantFiled: August 18, 1994Date of Patent: October 21, 1997Assignee: Dow Chemical Co.Inventors: David J. Moll, Alan F. Burmester, Thomas C. Young, Kent B. McReynolds, James E. Clark, Charles Z. Hotz, Ritchie A. Wessling, George J. Quarderer, Ronald M. Lacher, Stephen E. Bales, Henry Nelson Beck, Thomas O. Jeanes, Bethanne L. Smith