Patents by Inventor Catherine A. Bothof

Catherine A. Bothof 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: 10005814
    Abstract: Ligand functionalized substrates, methods of making ligand functionalized substrates, and methods of using functionalized substrates are disclosed.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: June 26, 2018
    Assignee: 3M Innovative Properties Company
    Inventors: Jerald K. Rasmussen, Kannan Seshadri, Robert T. Fitzsimons, Jr., James I. Hembre, Catherine A. Bothof, Erin A. Satterwhite, George W. Griesgraber, Yi He, Louis C. Haddad
  • Patent number: 9981244
    Abstract: Ligand-functionalized substrates are describe that are useful in selectively binding and removing biological materials from biological samples, and methods for preparing the same.
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: May 29, 2018
    Assignee: 3M Innovative Properties Company
    Inventors: Jerald K. Rasmussen, Catherine A. Bothof
  • Patent number: 9958364
    Abstract: An article that can be used for biomaterial capture comprises (a) a porous substrate; and (b) borne on the porous substrate, a polymer comprising interpolymerized units of at least one monomer consisting of (1) at least one monovalent ethylenically unsaturated group, (2) at least one monovalent ligand functional group selected from acidic groups, basic groups other than guanidino, and salts thereof, and (3) a multivalent spacer group that is directly bonded to the monovalent groups so as to link at least one ethylenically unsaturated group and at least one ligand functional group by a chain of at least six catenated atoms.
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: May 1, 2018
    Assignee: 3M Innovative Properties Company
    Inventors: Jerald K. Rasmussen, Catherine A. Bothof, George W. Griesgraber, Semra Colak Atan, James I. Hembre, Robert T. Fitzsimons, Jr.
  • Publication number: 20170335368
    Abstract: Luciferin-containing substrates are provided including a substrate and luciferin dried on the substrate. The luciferin-containing substrate is free of a detectable amount of reactive luciferase. The substrate is optionally a nonwoven substrate. Monitoring devices are also provided. The monitoring devices include a test element having a test portion, a detection reagent comprising luciferase, a luciferin-containing substrate, and a container having a first end with an opening and a second end opposite the first end. The container is configured to receive the test portion and configured to be operationally coupled to an analytical instrument. The detection reagent and the luciferin each are capable of participating in one or more chemical reaction that results in the formation of a detectable product.
    Type: Application
    Filed: December 4, 2015
    Publication date: November 23, 2017
    Inventors: Hongying JIANG, Masayuki NAKAMURA, Xuan JIANG, Catherine A. BOTHOF
  • Patent number: 9758547
    Abstract: Ligand functionalized substrates, methods of making ligand functionalized substrates, and methods of using functionalized substrates are disclosed.
    Type: Grant
    Filed: March 21, 2013
    Date of Patent: September 12, 2017
    Assignee: 3M Innovative Properties Company
    Inventors: Jerald K. Rasmussen, Kannan Seshadri, Robert T. Fitzsimons, Jr., James I. Hembre, Catherine A. Bothof, Erin A. Satterwhite, George W. Griesgraber, Yi He, Louis C. Haddad
  • Publication number: 20170240591
    Abstract: Ligand functionalized substrates, methods of making ligand functionalized substrates, and methods of using functionalized substrates are disclosed.
    Type: Application
    Filed: May 10, 2017
    Publication date: August 24, 2017
    Inventors: Jerald K. Rasmussen, Kannan Seshadri, Robert T. Fitzsimons, JR., James I. Hembre, Catherine A. Bothof, Erin A. Satterwhite, George W. Griesgraber, Yi He, Louis C. Haddad
  • Publication number: 20170217880
    Abstract: Ligand functionalized substrates, methods of making ligand functionalized substrates, and methods of using functionalized substrates are disclosed.
    Type: Application
    Filed: April 12, 2017
    Publication date: August 3, 2017
    Inventors: Catherine A. Bothof, Yi He, Jerald K. Rasmussen, Kannan Seshadri, Clinton P. Waller, JR., Douglas E. Weiss
  • Publication number: 20170165617
    Abstract: Guanidinyl ligand-functionalized polymers, methods of making the same, and substrates bearing a grafted coating of the ligand-functional polymers are described. The grafted polymer has the requisite affinity for binding neutral or negatively charged biomaterials, such as cells, cell debris, bacteria, spores, viruses, nucleic acids, endotoxins and proteins, at pH's near or below the pI's of the biomaterials.
    Type: Application
    Filed: February 28, 2017
    Publication date: June 15, 2017
    Inventors: Catherine A. Bothof, George W. Griesgraber, James I. Hembre, Jerald K. Rasmussen
  • Patent number: 9650470
    Abstract: Ligand functionalized substrates, methods of making ligand functionalized substrates, and methods of using functionalized substrates are disclosed.
    Type: Grant
    Filed: August 25, 2014
    Date of Patent: May 16, 2017
    Assignee: 3M Innovative Properties Company
    Inventors: Catherine A. Bothof, Yi He, Jerald K. Rasmussen, Kannan Seshadri, Clinton P. Waller, Jr., Douglas E. Weiss
  • Patent number: 9616394
    Abstract: Guanidinyl ligand-functionalized polymers, methods of making the same, and substrates bearing a grafted coating of the ligand-functional polymers are described. The grafted polymer has the requisite affinity for binding neutral or negatively charged biomaterials, such as cells, cell debris, bacteria, spores, viruses, nucleic acids, endotoxins and proteins, at pH's near or below the pI's of the biomaterials.
    Type: Grant
    Filed: May 23, 2013
    Date of Patent: April 11, 2017
    Assignee: 3M Innovative Properties Company
    Inventors: Catherine A. Bothof, George W. Griesgraber, James I. Hembre, Jerald K. Rasmussen
  • Publication number: 20160339412
    Abstract: Ligand-functionalized substrates are describe that are useful in selectively binding and removing biological materials from biological samples, and methods for preparing the same.
    Type: Application
    Filed: August 4, 2016
    Publication date: November 24, 2016
    Inventors: Jerald K. Rasmussen, Catherine A. Bothof
  • Patent number: 9434829
    Abstract: Ligand-functionalized substrates are describe that are useful in selectively binding and removing biological materials from biological samples, and methods for preparing the same.
    Type: Grant
    Filed: September 23, 2013
    Date of Patent: September 6, 2016
    Assignee: 3M Innovative Properties Company
    Inventors: Jerald K. Rasmussen, Catherine A. Bothof
  • Publication number: 20160231208
    Abstract: An article that can be used for biomaterial capture comprises (a) a porous substrate; and (b) borne on the porous substrate, a polymer comprising interpolymerized units of at least one monomer consisting of (1) at least one monovalent ethylenically unsaturated group, (2) at least one monovalent ligand functional group selected from acidic groups, basic groups other than guanidino, and salts thereof, and (3) a multivalent spacer group that is directly bonded to the monovalent groups so as to link at least one ethylenically unsaturated group and at least one ligand functional group by a chain of at least six catenated atoms.
    Type: Application
    Filed: September 25, 2014
    Publication date: August 11, 2016
    Inventors: Jerald K. Rasmussen, Catherine A. Bothof, George W. Griesgraber, Semra Colak Atan, James I. Hembre, Robert T. Fitzsimons, JR.
  • Publication number: 20160152662
    Abstract: A substrate comprising a crosslinked polymer primer layer, and grafted thereto a ligand-functionalized polymer is provided. The grafted polymer has the requisite affinity for binding neutral or negatively charged biomaterials, such as cells, cell debris, bacteria, spores, viruses, nucleic acids, and proteins, at pH's near or below the pI's of the biomaterials.
    Type: Application
    Filed: February 8, 2016
    Publication date: June 2, 2016
    Inventors: Jerald K. Rasmussen, Catherine A. Bothof, Kannan Seshadri, James I. Hembre, Robert T. Fitzsimons, JR., George W. Griesgraber, Yi He
  • Patent number: 9296847
    Abstract: Ligand functionalized substrates, methods of making ligand functionalized substrates, and methods of using functionalized substrates are disclosed.
    Type: Grant
    Filed: January 20, 2015
    Date of Patent: March 29, 2016
    Assignee: 3M Innovative Properties Company
    Inventors: Jerald K. Rasmussen, Catherine A. Bothof, Kannan Seshadri, Erin A. Satterwhite, Robert T. Fitzsimons, Jr., James L. Hembre, Mahfuza B. Ali
  • Patent number: 9290580
    Abstract: Articles that contain a solid support with a grafted chain extending from the solid support, methods of making these articles, and various uses of the articles are described. More specifically, the grafted chain has a functional group that can react with or interact with target compound. Alternatively, the functional group on the grafted chain can react with a modifying agent to provide another group that can react with or interact with the target compound. The grafted chains are attached to the solid support through a ring-opened azlactone group. The articles can be used to purify the target compound or to separate the target compound from other molecules in a sample.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: March 22, 2016
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Simon K. Shannon, Catherine A. Bothof, Babu N. Gaddam, Jerald K. Rasmussen, Richard B. Ross
  • Patent number: 9272246
    Abstract: A substrate comprising a crosslinked polymer primer layer, and grafted thereto a ligand-functionalized polymer is provided. The grafted polymer has the requisite affinity for binding neutral or negatively charged biomaterials, such as cells, cell debris, bacteria, spores, viruses, nucleic acids, and proteins, at pH's near or below the pI's of the biomaterials.
    Type: Grant
    Filed: January 19, 2012
    Date of Patent: March 1, 2016
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Jerald K. Rasmussen, Catherine A. Bothof, Kannan Seshadri, James I. Hembre, Robert T. Fitzsimons, Jr., George W. Griesgraber, Yi He
  • Patent number: 9259689
    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: November 13, 2012
    Date of Patent: February 16, 2016
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Clinton P. Waller, Jr., Douglas E. Weiss, Catherine A. Bothof, Kannan Seshadri
  • Publication number: 20150203593
    Abstract: Articles that contain a solid support with a grafted chain extending from the solid support, methods of making these articles, and various uses of the articles are described. More specifically, the grafted chain has a functional group that can react with or interact with target compound. Alternatively, the functional group on the grafted chain can react with a modifying agent to provide another group that can react with or interact with the target compound. The grafted chains are attached to the solid support through a ring-opened azlactone group. The articles can be used to purify the target compound or to separate the target compound from other molecules in a sample.
    Type: Application
    Filed: March 30, 2015
    Publication date: July 23, 2015
    Inventors: Simon K. Shannon, Catherine A. Bothof, Babu N. Gaddam, Jerald K. Rasmussen, Richard B. Ross
  • Publication number: 20150203645
    Abstract: Ligand-functionalized substrates are describe that are useful in selectively binding and removing biological materials from biological samples, and methods for preparing the same.
    Type: Application
    Filed: September 23, 2013
    Publication date: July 23, 2015
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Jerald K. Rasmussen, Catherine A. Bothof