Patents by Inventor Stephen S. Vitone

Stephen S. Vitone 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: 7732160
    Abstract: Compounds of methamphetamine derivatives having a meta-substituted alkyl linker on the benzene ring and a protective group on the nitrogen of the methamphetamine hapten. Such compounds have the structure. wherein R1 is an alkyl linker comprising 2-15 carbon atoms and 0-6 heteroatoms, R2 is a leaving group, and R3 is a protecting group.
    Type: Grant
    Filed: October 1, 2007
    Date of Patent: June 8, 2010
    Assignee: Roche Diagnostics Operations, Inc.
    Inventors: Raymond A. Hui, Stephen S. Vitone
  • Patent number: 7294649
    Abstract: Compounds of methamphetamine derivatives having a meta-substituted alkyl linker on the benzene ring and a protective group on the nitrogen of the methamphetamine hapten. Such compounds have the structure wherein R1 is an alkyl linker comprising 2-15 carbon atoms and 0-6 heteroatoms, R2 is a leaving group, and R3 is a protecting group.
    Type: Grant
    Filed: December 17, 2004
    Date of Patent: November 13, 2007
    Assignee: Roche Diagnostics Operatins, Inc.
    Inventors: Raymond A. Hui, Stephen S. Vitone
  • Publication number: 20030170917
    Abstract: Compounds including haptens, intermediates, and immunogens that are useful in the production of antibodies specific for the methylenedioxy class of amphetamine derivatives are described. Antibodies specific for the methylenedioxy class of amphetamine derivatives, reagent kits containing antibodies specific for the methylenedioxy class of amphetamine derivatives, methods of producing antibodies specific for the methylenedioxy class of amphetamine derivatives, and methods of detecting analytes including members of the methylenedioxy class of amphetamine derivatives are also described.
    Type: Application
    Filed: March 1, 2002
    Publication date: September 11, 2003
    Applicant: Roche Diagnostics Corporation
    Inventors: Raymond A. Hui, Richard T. Root, Stephen S. Vitone
  • Patent number: 6476199
    Abstract: The present invention provides hapten derivatives that are useful for the preparation of antigens, antibodies and reagents having superior performance characteristics for use in immunoassays for the detection of LSD and nor-LSD. In the present invention the LSD nucleus is derivatized out of the indole nitrogen to form an aminoalkyl derivative. Derivatives have also been synthesized out of the piperidine nitrogen of the LSD nucleus. The resulting haptens can then be further modified at these functionalized positions for linking to appropriate antigenic or labelling groups to provide reagents for LSD immunoassays having excellent sensitivity and selectivity for both LSD and nor-LSD.
    Type: Grant
    Filed: February 17, 2000
    Date of Patent: November 5, 2002
    Assignee: Roche Diagnostics Corporation
    Inventors: Salvatore Joseph Salamone, Stephen S. Vitone, Robert Sundoro Wu
  • Patent number: 6063908
    Abstract: The present invention provides hapten derivatives that are useful for the preparation of antigens, antibodies and reagents having superior performance characteristics for use in immunoassays for the detection of LSD and nor-LSD. In the present invention the LSD nucleus is derivatized out of the indole nitrogen to form an aminoalkyl derivative. Derivatives have also been synthesized out of the piperidine nitrogen of the LSD nucleus. The resulting haptens can then be further modified at these functionalized positions for linking to appropriate antigenic or labelling groups to provide reagents for LSD immunoassays having excellent sensitivity and selectivity for both LSD and nor-LSD.
    Type: Grant
    Filed: June 12, 1997
    Date of Patent: May 16, 2000
    Assignee: Roche Diagnostics Corporation
    Inventors: Salvatore Joseph Salamone, Stephen S. Vitone, Robert Sundoro Wu