Patents by Inventor William Henry Campbell

William Henry Campbell 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).

  • Multi-layered macromolecules and methods for their use
    Patent number: 8323502
    Abstract: Multi-layered macromolecules wherein the layers are covalently bonded together and wherein the macromolecules are covalently bonded to solid particulate substrates, methods for the preparation of such compositions, and methods for their uses in a multitude of end use applications ranging from the purification of waste chemical and metal process streams to the separation and identification of proteins, peptides, and oligionucleotides.
    Type: Grant
    Filed: December 31, 2011
    Date of Patent: December 4, 2012
    Assignee: Diazem Corporation
    Inventors: Charles E. Skinner, William Henry Campbell, Yung K. Kim
  • Multi-layered macromolecules and methods for their use
    Publication number: 20120175307
    Abstract: Multi-layered macromolecules wherein the layers are covalently bonded together and wherein the macromolecules are covalently bonded to solid particulate substrates, methods for the preparation of such compositions, and methods for their uses in a multitude of end use applications ranging from the purification of waste chemical and metal process streams to the separation and identification of proteins, peptides, and oligionucleotides.
    Type: Application
    Filed: December 31, 2011
    Publication date: July 12, 2012
    Inventors: Charles E. Skinner, William Henry Campbell, Yung K. Kim
  • Multi-layered macromolecules and methods for their use
    Patent number: 8114294
    Abstract: Multi-layered macromolecules wherein the layers are covalently bonded together and wherein the macromolecules are covalently bonded to solid particulate substrates, methods for the preparation of such compositions, and methods for their uses in a multitude of end use applications ranging from the purification of waste chemical and metal process streams to the separation and identification of proteins, peptides, and oligionucleotides.
    Type: Grant
    Filed: May 2, 2008
    Date of Patent: February 14, 2012
    Assignee: Diazem Corporation
    Inventors: Charles E. Skinner, William Henry Campbell, Yung K. Kim
  • Multi-layered macromolecules and methods for their use
    Publication number: 20090188869
    Abstract: Multi-layered macromolecules wherein the layers are covalently bonded together and wherein the macromolecules are covalently bonded to solid particulate substrates, methods for the preparation of such compositions, and methods for their uses in a multitude of end use applications ranging from the purification of waste chemical and metal process streams to the separation and identification of proteins, peptides, and oligionucleotides.
    Type: Application
    Filed: May 2, 2008
    Publication date: July 30, 2009
    Inventors: Charles E. Skinner, William Henry Campbell, Yung K. Kim
  • Multi-layered macromolecules and methods for their use
    Publication number: 20040224157
    Abstract: Multi-layered macromolecules wherein the layers are covalently bonded together and wherein the macromolecules are covalently bonded to solid particulate substrates, methods for the preparation of such compositions, and methods for their uses in a multitude of end use applications ranging from the purification of waste chemical and metal process streams to the separation and identification of proteins, peptides, and oligionucleotides.
    Type: Application
    Filed: June 7, 2004
    Publication date: November 11, 2004
    Applicant: Diazem Corporation
    Inventors: William Henry Campbell, Yung K. Kim, Charles E. Skinner
  • Multi-layered macromolecules and methods for their use
    Patent number: 6803106
    Abstract: Multi-layered macromolecules wherein the layers are covalently bonded together and wherein the macromolecules are covalently bonded to solid particulate substrates, methods for the preparation of such compositions, and methods for their uses in a multitude of end use applications ranging from the purification of waste chemical and metal process streams to the separation and identification of proteins, peptides, and oligionucleotides.
    Type: Grant
    Filed: April 16, 2002
    Date of Patent: October 12, 2004
    Inventors: William Henry Campbell, Yung K. Kim, Charles E. Skinner
  • Multi-layered macromolecules and methods for their use
    Publication number: 20030194555
    Abstract: Multi-layered macromolecules wherein the layers are covalently bonded together and wherein the macromolecules are covalently bonded to solid particulate substrates, methods for the preparation of such compositions, and methods for their uses in a multitude of end use applications ranging from the purification of waste chemical and metal process streams to the separation and identification of proteins, peptides, and oligionucleotides.
    Type: Application
    Filed: April 16, 2002
    Publication date: October 16, 2003
    Inventors: William Henry Campbell, Yung K. Kim, Charles E. Skinner