Patents by Inventor Douglas E. Weiss

Douglas E. Weiss 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: 8652582
    Abstract: Ligand functionalized substrates, methods of making ligand functionalized substrates, and methods of using functionalized substrates are disclosed.
    Type: Grant
    Filed: May 26, 2009
    Date of Patent: February 18, 2014
    Assignee: 3M Innovative Properties Company
    Inventors: Catherine A. Bothof, Yi He, Jerald K. Rasmussen, Kannan Seshadri, Clinton P. Waller, Jr., Douglas E. Weiss
  • Publication number: 20140004595
    Abstract: Polyethyleneimine and polyalkylene biguanide ligand functionalized substrates, methods of making ligand functionalized substrates, and methods of using functionalized substrates are disclosed.
    Type: Application
    Filed: September 9, 2013
    Publication date: January 2, 2014
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Kannan Seshadri, Jerald K. Rasmussen, Clinton P. Waller, Jr., Douglas E. Weiss, Yi He
  • Publication number: 20130316393
    Abstract: A microbial detection article and methods of using the same, the article comprising: a base member comprising a self-supporting water impervious substrate with first and second generally opposed major surfaces; a filter assembly defining a filter assembly aperture therein, and having a composite filter body mounted across the filter assembly aperture; wherein the composite filter body comprises: a microporous membrane, and a water-absorbent layer in fluid communication with the microporous membrane; and a cover sheet.
    Type: Application
    Filed: December 27, 2011
    Publication date: November 28, 2013
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Steven P. Swanson, Jesse D. Miller, Clinton P. Waller, JR., Neil Percy, Jeffrey A. Lucas, Kannan Seshadri, Jerald K. Rasmussen, Douglas E. Weiss, James E. Aysta
  • Patent number: 8586338
    Abstract: Ligand functionalized substrates, methods of making ligand functionalized substrates, and methods of using functionalized substrates are disclosed.
    Type: Grant
    Filed: May 27, 2009
    Date of Patent: November 19, 2013
    Assignees: 3M Innovative Properties Company, Wisconsin Alumni Research Foundation
    Inventors: Mark R. Etzel, Yi He, Steven M. Heilmann, Jerald K. Rasmussen, Kannan Seshadri, Simon K. Shannon, Clinton P. Waller, Jr., Douglas E. Weiss
  • Patent number: 8551894
    Abstract: Polyethyleneimine and polyalkylene biguanide ligand functionalized substrates, methods of making ligand functionalized substrates, and methods of using functionalized substrates are disclosed.
    Type: Grant
    Filed: September 18, 2009
    Date of Patent: October 8, 2013
    Assignee: 3M Innovative Properties Company
    Inventors: Kannan Seshadri, Jerald K. Rasmussen, Clinton P. Waller, Jr., Douglas E. Weiss, Yi He
  • Patent number: 8459470
    Abstract: A grafted nonwoven substrate is disclosed having average fiber sizes of 0.7 to 15 microns, and a void volume of 50 to 95%, and a polymer comprising cationic aminoalkyl(meth)acryloyl monomer units grafted to the surface of the nonwoven substrate. The article may be used as a filter element to purify or separate target materials, such as oligonucleotides or monoclonal antibodies (MAb), from a fluid mixture.
    Type: Grant
    Filed: December 7, 2012
    Date of Patent: June 11, 2013
    Assignee: 3M Innovative Properties Company
    Inventors: Douglas E. Weiss, Clinton P. Waller, Jr., Michael R. Berrigan, Andrew W. Rabins, Jeffrey A. Lucas, Kannan Seshadri, Catherine A. Bothof
  • Patent number: 8356717
    Abstract: Hydrophilic porous substrates, methods of making hydrophilic porous substrates from hydrophobic polymers are disclosed.
    Type: Grant
    Filed: October 8, 2008
    Date of Patent: January 22, 2013
    Assignee: 3M Innovative Properties Company
    Inventors: Clinton P. Waller, Jr., Douglas E. Weiss
  • Patent number: 8329034
    Abstract: A grafted nonwoven substrate is disclosed having average fiber sizes of 0.7 to 15 microns, and a void volume of 50 to 95%, and a polymer comprising anionic monomer units grafted to the surface of the nonwoven substrate. The article may be used as a filter element to purify or separate target materials, such as monoclonal antibodies (MAb), from a fluid mixture.
    Type: Grant
    Filed: June 21, 2010
    Date of Patent: December 11, 2012
    Assignee: 3M Innovative Properties Company
    Inventors: Clinton P. Waller, Jr., Douglas E. Weiss, Catherine A. Bothof, Kannan Seshadri
  • Patent number: 8328023
    Abstract: A grafted nonwoven substrate is disclosed having average fiber sizes of 0.7 to 15 microns, and a void volume of 50 to 95%, and a polymer comprising cationic aminoalkyl(meth)acryloyl monomer units grafted to the surface of the nonwoven substrate. The article may be used as a filter element to purify or separate target materials, such as oligonucleotides or monoclonal antibodies (MAb), from a fluid mixture.
    Type: Grant
    Filed: November 18, 2009
    Date of Patent: December 11, 2012
    Assignee: 3M Innovative Properties Company
    Inventors: Douglas E. Weiss, Clinton P. Waller, Jr., Michael R. Berrigan, Andrew W. Rabins, Jeffrey A. Lucas, Kannan Seshadri, Catherine A. Bothof
  • Publication number: 20120091277
    Abstract: The present disclosure provides a tape comprising: a) a single layer comprising a crosslinked polymer, selected from the group consisting of crosslinked polyurethane, crosslinked polyurea, and crosslinked mixed polyurethane/polyurea polymer, and b) an adhesive layer. In another embodiment, the tape comprises at least one layer comprising a semi-interpenetrating polymer network of a crosslinked acrylate and an uncrosslinked polymer selected from the group consisting of polyurethane, polyurea, and mixed polyurethane/polyurea polymer.
    Type: Application
    Filed: December 14, 2011
    Publication date: April 19, 2012
    Inventors: Ryan E. MARX, Bryan C. Feisel, Douglas E. Weiss
  • Publication number: 20120070342
    Abstract: A light-activated antimicrobial article is disclosed, consisting essentially of an acridine dye covalently bonded without a linking group to a nylon material. The article may be made using electron beam processing. The article in combination with light absorbed by the acridine dye may be used to inhibit the growth of microorganisms. A photosensitive nylon material in which the acridine dye is disposed on the nylon material may also be used. Medical kits that include a light source and an article having the acridine dye are disclosed.
    Type: Application
    Filed: June 23, 2010
    Publication date: March 22, 2012
    Inventors: Maria A. Appeaning, Sonja K. Belgrade, Douglas E. Weiss, Narina Y. Stepanova, Caroline M. Ylitalo
  • Patent number: 8096508
    Abstract: The present disclosure provides a tape comprising: a) a single layer comprising a crosslinked polymer, selected from the group consisting of crosslinked polyurethane, crosslinked polyurea, and crosslinked mixed polyurethane/polyurea polymer, and b) an adhesive layer. In another embodiment, the disclosure provides an erosion resistant construction comprising, first, an element of an aircraft comprising: an aircraft skin segment having an external surface, and a deicing mechanism associated with said aircraft skin segment capable of heating said external surface to temperatures in excess of 65° C.; and, second, a tape comprising: at least one layer comprising a crosslinked elastomeric polymer, which may be a crosslinked polymer selected from the group consisting of crosslinked polyurethane, crosslinked polyurea, and crosslinked mixed polyurethane/polyurea polymer, and an adhesive layer; wherein the tape is bonded to the external surface of the aircraft skin segment by the adhesive layer.
    Type: Grant
    Filed: August 10, 2007
    Date of Patent: January 17, 2012
    Assignee: 3M Innovative Properties Company
    Inventors: Ryan E. Marx, Bryan C. Feisel, Douglas E. Weiss
  • Publication number: 20110184078
    Abstract: Ligand functionalized substrates, methods of making ligand functionalized substrates, and methods of using functionalized substrates are disclosed.
    Type: Application
    Filed: May 27, 2009
    Publication date: July 28, 2011
    Inventors: Mark R. Etzel, Yi He, Steven M. Heilmann, Jerald K. Rasmussen, Kannan Seshadri, Simon K. Shannon, Clinton P. Waller, JR., Douglas E. Weiss
  • Publication number: 20110091717
    Abstract: A method for in situ formation of metal nanoclusters within a porous substrate comprises imbibing a porous substrate with an aqueous heavy metal salt solution, and exposing the imbibed porous substrate to ionizing radiation to form heavy metal nanoclusters within the porous substrate.
    Type: Application
    Filed: June 29, 2009
    Publication date: April 21, 2011
    Inventor: Douglas E. Weiss
  • Publication number: 20110033633
    Abstract: Ligand functionalized substrates, methods of making ligand functionalized substrates, and methods of using functionalized substrates are disclosed.
    Type: Application
    Filed: May 26, 2009
    Publication date: February 10, 2011
    Inventors: Catherine A. Bothof, Yi He, Jerald K. Rasmussen, Kannan Seshadri, Clinton P. Waller, JR., Douglas E. Weiss
  • Publication number: 20100320138
    Abstract: A grafted nonwoven substrate is disclosed having average fiber sizes of 0.7 to 15 microns, and a void volume of 50 to 95%, and a polymer comprising anionic monomer units grafted to the surface of the nonwoven substrate. The article may be used as a filter element to purify or separate target materials, such as monoclonal antibodies (MAb), from a fluid mixture.
    Type: Application
    Filed: June 21, 2010
    Publication date: December 23, 2010
    Inventors: Clinton P. Waller, JR., Douglas E. Weiss, Catherine A. Bothof, Kannan Seshadri
  • Publication number: 20100261801
    Abstract: The present disclosure describes functional membranes and a method for making a functional membrane. The method includes providing a porous substrate, applying the at least one graftable species to the porous substrate, and treating the coated porous substrate with electron beam radiation to provide a functionalized membrane. The method includes forming a functionalized membrane comprising a gradient of grafted species attached to the porous substrate.
    Type: Application
    Filed: December 23, 2008
    Publication date: October 14, 2010
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Douglas E. Weiss, Clinton P. Wailer, JR., Derek J. Dehn, Jonathan Hester
  • Publication number: 20100210160
    Abstract: Hydrophilic porous substrates, methods of making hydrophilic porous substrates from hydrophobic polymers are disclosed.
    Type: Application
    Filed: February 8, 2010
    Publication date: August 19, 2010
    Inventors: Jonathan F. Hester, Karl B. Richter, Clinton P. Waller, JR., Douglas E. Weiss
  • Publication number: 20100209693
    Abstract: Hydrophilic porous substrates, methods of making hydrophilic porous substrates from hydrophobic polymers are disclosed.
    Type: Application
    Filed: February 18, 2009
    Publication date: August 19, 2010
    Inventors: Jonathan F. Hester, Karl B. Richter, Clinton P. Waller, JR., Douglas E. Weiss
  • Publication number: 20100206806
    Abstract: Hydrophilic porous substrates, methods of making hydrophilic porous substrates from hydrophobic polymers are disclosed.
    Type: Application
    Filed: October 8, 2008
    Publication date: August 19, 2010
    Inventors: Clinton P. Waller, JR., Douglas E. Weiss