Patents by Inventor Robert S. Bitner

Robert S. Bitner 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: 5559095
    Abstract: A method and compositions for reducing neuronal damage related to an ischemic condition in a mammalian subject are described. The method includes administration of a voltage-gated calcium channel-blocking compound to the subject, 4-24 hours after the onset of the ischemic condition. Such a calcium channel blocking compound is effective to block norepinephrine release in mammalian CNS neuronal cells and is characterized by specific, high affinity binding to omega-conotoxin MVIIA binding sites. Also disclosed are novel peptide structures useful in the treatment method of the invention.
    Type: Grant
    Filed: November 12, 1991
    Date of Patent: September 24, 1996
    Assignee: Neurex Corporation
    Inventors: George P. Miljanich, Stephen S. Bowersox, James A. Fox, Karen L. Valentino, Robert S. Bitner, Donald H. Yamashiro
  • Patent number: 5424218
    Abstract: A partially purified omega conotoxin binding protein is disclosed. The protein, either in partially purified form or in a synaptosomal preparation, is useful in identifying compounds for use in reducing neuronal damage related to an ischemic condition, such as stroke, in a human patient.
    Type: Grant
    Filed: November 4, 1993
    Date of Patent: June 13, 1995
    Assignee: Neurex Corporation
    Inventors: George P. Miljanich, Robert S. Bitner, Stephen S. Bowersox, James A. Fox, Karen L. Valentino, Donald H. Yamashiro
  • Patent number: 5264371
    Abstract: A partially purified omega conotoxin binding protein is disclosed. The protein, either in partially purified form or in a synaptosomal preparation, is useful in identifying compounds for use in reducing neuronal damage related to an ischemic condition, such as stroke, in a human patient.
    Type: Grant
    Filed: March 23, 1992
    Date of Patent: November 23, 1993
    Assignee: Neurex Corporation
    Inventors: George P. Miljanich, Robert S. Bitner, Stephen S. Bowersox, James A. Fox, Karen L. Valentino, Donald H. Yamashiro, Makoto Tsubokawa
  • Patent number: 5189020
    Abstract: A partially purified omega conotoxin binding protein is disclosed. The protein, either in partially purified form or in a synaptosomal preparation, is useful in identifying compounds for use in reducing neuronal damage related to an ischemic condition, such as stroke, in a human patient.
    Type: Grant
    Filed: August 2, 1990
    Date of Patent: February 23, 1993
    Assignee: Neurex Corporation
    Inventors: George P. Miljanich, Robert S. Bitner, Stephen S. Bowersox, James A. Fox, Karen L. Valentino, Donald H. Yamashiro, Makoto Tsubokawa
  • Patent number: 5169852
    Abstract: Compounds of formula I are useful for suppressing appetite, and for altering macronutrient preferences, ##STR1## where the R.sub.2 -R.sub.9 substituents are so selected as to meet a defined quantitative structure activity relationship (QSAR) quantity relating to the partition coefficient of the compound, the net charge on the ring nitrogen, and the radical superfdelocalizability at the position-8 ring carbon.
    Type: Grant
    Filed: December 14, 1990
    Date of Patent: December 8, 1992
    Assignee: Neurex Corporation
    Inventors: Jack D. Barchas, Glen R. Elliott, Peter I. Adriaenssens, Robert S. Bitner, Stephen S. Bowersox
  • Patent number: 5051403
    Abstract: A method of reducing neuronal damage related to an ischemic condition in a human patient, such as stroke-induced damage, by administration of a binding/inhibitory omega-conotoxin peptide.
    Type: Grant
    Filed: November 22, 1989
    Date of Patent: September 24, 1991
    Assignee: Neurex Corporation
    Inventors: George P. Miljanich, Robert S. Bitner, Stephen S. Bowersox, James A. Fox, Karen L. Valentino, Donald H. Yamashiro
  • Patent number: 4978669
    Abstract: Compounds of formula I are useful for suppressing appetite, for altering macronutrient preferences, for suppressing obsessive-compulsive behavior, and for inhibiting cravings and substance abuse: ##STR1## wherein R.sub.1 and R.sub.3 are each independently H, hydroxy-alkyl, alpha-cyanoalkyl, SO.sub.3 H, SO.sub.2 NH.sub.2, or C(O)R, where R is OH, NH.sub.2, lower alkoxy, benzyloxy, or aliphatic amino acyl;R.sub.2 and R.sub.9 are each independently H, lower alkyl, benzyl, succinyl, or C(O)R.sub.4, where R.sub.4 is H, lower alkyl, hydrocarboxy-lower alkylene, or lower alkoxycarboxy-lower alkylene; andR.sub.5, R.sub.6, R.sub.7, and R.sub.8 are each independently H, halo, lower alkyl, hydroxy, lower alkoxy, or two adjacent radicals form methylenedioxy or ethylenedioxy;with the proviso that R.sub.1, R.sub.2, R.sub.3, R.sub.5, R.sub.6, R.sub.7, R.sub.8, and R.sub.9 are not simultaneously H.
    Type: Grant
    Filed: June 8, 1989
    Date of Patent: December 18, 1990
    Assignee: Neurex Corporation
    Inventors: Jack D. Barchas, Glen R. Elliott, Peter I. Adriaenssens, Robert S. Bitner, Stephen S. Bowersox, Laszlo Nadasdi
  • Patent number: 4971974
    Abstract: Compositions comprising a compound of formula 1, and optionally a mild stimulant, are effective anorectics, where formula 1 is: ##STR1## and its pharmaceutically acceptable acid-addition salts, wherein X and Y are each independently hydrogen, hydroxy, methyl, ethyl, propyl, methoxy, ethoxy, propoxy, fluoro, chloro, or bromo.These compounds are effective for reducing appetite globally, or at lower dosage, for altering macronutrient preferences and decreasing substance dependence.
    Type: Grant
    Filed: June 16, 1988
    Date of Patent: November 20, 1990
    Assignee: Neurex Corporation
    Inventors: Talmage Bosin, Robert S. Bitner, Theresa M. Gadbois, Victor C. Yu, Stephen S. Bowersox