Patents by Inventor Thomas Zewert

Thomas Zewert 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).

  • Acrylic polymer electrophoresis support media
    Patent number: 5397449
    Abstract: Electrophoresis support media which include one or more polymers made from hydroxy alkyl esters of acrylic or methylacrylic acid or poly (alkylene glycol) esters of acrylic or methacrylic acid. These acrylic or methacrylic monomers are polymerized or copolymerized to form electrophoresis support media which can be used in place of polyacrylamide gels, agar gels and agarose gels. The acrylic or methacrylic ester monomers may be cross-linked with various cross-linking agents to provide electrophoresis support media with a wide range of pore sizes and physical strength. The electrophoresis support media is well-suited for use with organic solvents.
    Type: Grant
    Filed: April 6, 1994
    Date of Patent: March 14, 1995
    Assignee: California Institute of Technology
    Inventors: Thomas Zewert, Michael G. Harrington
  • Poly(N-Acylalkylenimine) electrophoresis support media
    Patent number: 5338428
    Abstract: Electrophoresis support media which include one or more poly(N-Acylalkylenimine) polymers (PAEI). The polymers have the formula ##STR1## wherein m and p are between 1 and 3, n is between about 100 and 10,000, where R is an alkyl, perfluoroalkyl or phenyl group and wherein R' is H or an alkyl group. These polymers can be used in place of polyacrylamide gels, agar gels and agarose gels. PAEI polymers may be cross-linked with various cross-linking agents to provide electrophoresis support media with a wide range of pore sizes and physical strength.
    Type: Grant
    Filed: May 28, 1993
    Date of Patent: August 16, 1994
    Assignee: California Institute of Technology
    Inventors: Thomas Zewert, Michael G. Harrington
  • Acrylic polymer electrophoresis support media
    Patent number: 5290411
    Abstract: Electrophoresis support media which include one or more polymers made from hydroxy alkyl esters of acrylic or methylacrylic acid or poly (alkylene glycol) esters of acrylic or methacrylic acid. These acrylic or methacrylic monomers are polymerized or copolymerized to form electrophoresis support media which can be used in place of polyacrylamide gels, agar gels and agarose gels. The acrylic or methacrylic ester monomers may be cross-linked with various cross-linking agents to provide electrophoresis support media with a wide range of pore sizes and physical strength. The electrophoresis support media is well-suited for use with organic solvents.
    Type: Grant
    Filed: June 9, 1993
    Date of Patent: March 1, 1994
    Assignee: California Institute of Technology
    Inventors: Thomas Zewert, Michael G. Harrington