Patents by Inventor John G. Jurcak

John G. Jurcak 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: 5229388
    Abstract: There are disclosed compounds of the formula, ##STR1## where n is 0, 1 or 2; A is ##STR2## where X in each occurrence is independently hydrogen, halogen, loweralkyl, hydroxy, nitro, loweralkoxy, amino, cyano, trifluoromethyl or methylthio; Y in each occurrence is independently hydrogen, halogen, loweralkyl, hydroxy, nitro, loweralkoxy, amino, cyano, trifluoromethyl or methylthio; m is 1 or 2; k is 1 or 2; R.sub.1 and R.sub.2 are independently hydrogen, loweralkyl, ##STR3## or aryl except that when R.sub.1 is ##STR4## or aryl, R.sub.2 is hydrogen, or alternatively R.sub.1 +R.sub.2 taken together with the carbon atom to which they are attached form a cyclopentane, cyclohexane, cycloheptane, pyran, thiopyran, indan or piperidine ring; R.sub.3 and R.sub.4 are independently hydrogen or loweralkyl, or alternatively R.sub.3 +R.sub.
    Type: Grant
    Filed: November 21, 1991
    Date of Patent: July 20, 1993
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Nicholas J. Hrib, John G. Jurcak
  • Patent number: 5225412
    Abstract: Novel benzisothiazole- and benzisoxazole-3-carboxamides, processes and intermediates for the preparation thereof, and methods of treating psychoses utilizing compounds and compositions thereof are disclosed.
    Type: Grant
    Filed: June 16, 1992
    Date of Patent: July 6, 1993
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Nicholas J. Hrib, John G. Jurcak
  • Patent number: 5194436
    Abstract: Novel 1-piperazinyl-2-butenes and -2-butynes, intermediates and processes for the preparation thereof, and methods of treating psychoses utilizing compounds or compositions thereof are disclosed.
    Type: Grant
    Filed: April 29, 1992
    Date of Patent: March 16, 1993
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Helen H. Ong, Nicholas J. Hrib, Joseph Perez, John G. Jurcak
  • Patent number: 5143923
    Abstract: Novel benzisothiazole- and benzisoxazole-3-carboxamides, processes and intermediates for the preparation thereof, and methods of treating psychoses utilizing compounds and compositions thereof are disclosed.
    Type: Grant
    Filed: April 29, 1991
    Date of Patent: September 1, 1992
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Nicholas J. Hrib, John G. Jurcak
  • Patent number: 5136037
    Abstract: There are disclosed compounds of the formula, ##STR1## where n is 0 or 1; A is ##STR2## where X in each occurrence is independently hydrogen, halogen, loweralkyl, hydroxy, nitro, loweralkoxy, amino, cyano, trifluoromethyl or methylthio; Y in each occurrence is independently hydrogen, halogen, loweralkyl, hydroxy, nitro, loweralkoxy, amino, cyano, trifluoromethyl or methylthio; m is 1 or 2; k is 1 or 2; R.sub.1 and R.sub.2 are independently hydrogen, lower alkyl, ##STR3## or alternatively R.sub.1 +R.sub.2 taken together with the carbon atom to which they are attached form a cyclopentane, cyclohexane, cycloheptane, pyran, thiopyran, indan or piperidine ring; R.sub.3 and R.sub.4 are independently hydrogen or loweralkyl, or alternatively R.sub.3 +R.sub.
    Type: Grant
    Filed: June 7, 1991
    Date of Patent: August 4, 1992
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Nicholas J. Hrib, John G. Jurcak
  • Patent number: 5130315
    Abstract: Novel 1-piperazinyl-2-butenes and -2-butynes, intermediates and processes for the preparation thereof, and methods of treating psychoses utilizing compounds or compositions thereof are disclosed.
    Type: Grant
    Filed: January 10, 1991
    Date of Patent: July 14, 1992
    Assignee: Raymond R. Wittekind
    Inventors: Helen H. Ong, Nicholas J. Hrib, Joseph Perez, John G. Jurcak
  • Patent number: 5045546
    Abstract: Novel 8-azabicyclo[3.2.1]octylalkylthiazolidinones of the formula ##STR1## where R.sup.1, R.sup.2, R.sup.3, R.sup.4, m, x and y are defined herein, process for the preparation thereof, and methods of treating psychoses and alleviating pain employing compounds and compositions thereof are disclosed.
    Type: Grant
    Filed: October 26, 1990
    Date of Patent: September 3, 1991
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Nicholas J. Hrib, John G. Jurcak
  • Patent number: 5041445
    Abstract: This invention relates to 3-[1-thiazolidinylbutyl-4-piperazinyl]-1H-indazoles of the formula ##STR1## where R.sub.1 and R.sub.2 are each independently hydrogen or loweralkyl or R.sub.1 and R.sub.2 taken together with the carbon atom to which they are attached form a cyclopentane, cyclohexane or cycloheptane ring; R.sub.3 and R.sub.4 are independently hydrogen or loweralkyl or R.sub.3 and R.sub.4 taken together with the carbon atom to which they are attached form a cyclopentane, cyclohexane or cycloheptane ring; R.sub.5 is hydrogen, loweralkyl, alkanoyl or aroyl; X is hydrogen, halogen, loweralkyl or alkoxy; m is an integer of 1 to 3, the pharmaceutically acceptable acid addition salts thereof and where applicable, the optical, geometrical and stereoisomers and racemic mixtures thereof. The compounds of this invention are useful as antipsychotic agents.
    Type: Grant
    Filed: May 21, 1990
    Date of Patent: August 20, 1991
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Nicholas J. Hrib, Joseph T. Strupczewski, John G. Jurcak, Kenneth Bordeau
  • Patent number: 5037984
    Abstract: There are disclosed compounds of the formula ##STR1## where n is 0 or 1; A is ##STR2## where X in each occurrence is independently hydrogen, halogen, loweralkyl hydroxy, nitro, loweralkoxy, amino, cyano, trifluoromethyl or methylthio; Y in each occurrence is independently hydrogen, halogen, loweralkyl, hydroxy, nitro, loweralkoxy, amino, cyano, trifluoromethyl or methylthio; m is 1 or 2; k is 1 or 2; R.sub.1 and R.sub.2 are independently hydrogen, loweralkyl, ##STR3## or aryl except that when R.sub.1 is ##STR4## or aryl, R.sub.2 is hydrogen, or alternatively R.sub.1 +R.sub.2 taken together with the carbon atom to which they are attached form a cyclopentane, cyclohexane, cycloheptane, pyran, thiopyran, indan or piperidine ring; R.sub.3 and R.sub.4 are independently hydrogen or loweralkyl, or alternatively R.sub.3 +R.sub.
    Type: Grant
    Filed: March 2, 1990
    Date of Patent: August 6, 1991
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Nicholas J. Hrib, John G. Jurcak
  • Patent number: 4933453
    Abstract: 3-[4-1-substituted-4-piperazinyl)butyl]-4-thiazolidinone compounds which are useful as antipsychotic, analgesic, anticonvulsant and anxiolytic agents.
    Type: Grant
    Filed: October 31, 1989
    Date of Patent: June 12, 1990
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Nicholas J. Hrib, John G. Jurcak
  • Patent number: 4826846
    Abstract: There are disclosed compounds of the formula ##STR1## wherein the group A is ##STR2## where R.sub.1 and R.sub.2 are each independently or loweralkyl, or R.sub.1 +R.sub.2 =(CH.sub.2).sub.m, m being 2 to 6, p is 1 or 2, and each X is independently hydrogen, loweralkyl, loweralkoxy, halogen, hydroxy, nitro, amino, loweralkylamino, diloweralkylamino, trifluoromethyl or loweralkylthio; W is O, H.sub.2 or [H, OH]; n is 2, 3 or 4; and R.sub.3 is ##STR3## where q is 1 or 2 and each Y is independently hydrogen, loweralkyl, loweralkoxy, halogen, hydroxy, nitro, amino, loweralkylamino, diloweralkylamino, triflouromethyl or loweralkylthio, which are useful as antipsychotic, anxiolytic and analgesic agents.
    Type: Grant
    Filed: July 18, 1988
    Date of Patent: May 2, 1989
    Assignee: Hoechst-Roussel Pharmaceuticals, Inc.
    Inventors: Nicholas J. Hrib, John G. Jurcak
  • Patent number: 4780466
    Abstract: There are disclosed compounds of the formula ##STR1## wherein the group A is ##STR2## where R.sub.1 and R.sub.2 are each independently hydrogen or loweralkyl, or R.sub.1 +R.sub.2 =(CH.sub.2).sub.m, m being 2 to 6, p is 1 or 2, and each X is independently hydrogen, loweralkyl, loweralkoxy, halogen, hydroxy, nitro, amino, loweralkylamino, diloweralkylamino, trifluoromethyl or loweralkylthio; W is O, H.sub.2 or [H, OH]; n is 2, 3 or 4; and R.sub.3 is ##STR3## where q is 1 or 2 and each Y is independently hydrogen, loweralkyl, loweralkoxy, halogen, hydroxy, nitro, amino, loweralkylamino, diloweralkylamino, trifluoromethyl or loweralkylthio, which are useful as antipsychotic, anxiolytic and analgesic agents.
    Type: Grant
    Filed: March 17, 1988
    Date of Patent: October 25, 1988
    Assignee: Hoechst-Roussel Pharmaceuticals, Inc.
    Inventors: Nicholas J. Hrib, John G. Jurcak