Patents by Inventor Joseph T. Klein

Joseph T. Klein 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: 4609658
    Abstract: Novel 1-[3-(6-fluoro-1,2-benzisoxazol-3-yl)propyl]-4-(substituted)piperazines, processes for the preparation thereof, and methods of treating psychoses, alleviating pain, and reducing blood pressure, employing compounds and compositions thereof are disclosed.
    Type: Grant
    Filed: June 7, 1985
    Date of Patent: September 2, 1986
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Larry Davis, Joseph T. Klein
  • Patent number: 4604395
    Abstract: Novel 1-[3-(6-fluoro-1,2-benzisoxazol-3-yl)propyl]-4-(substituted)piperazines, processes for the preparation thereof, and methods of treating psychoses, alleviating pain, and reducing blood pressure, employing compounds and compositions thereof are disclosed.
    Type: Grant
    Filed: June 7, 1985
    Date of Patent: August 5, 1986
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Larry Davis, Joseph T. Klein
  • Patent number: 4598152
    Abstract: Novel 6-fluoro-3-[3-(1-heterocyclo)propyl]-1,2-benzisoxazoles, processes for the preparation thereof, and methods of treating psychoses, alleviating pain and reducing blood pressure employing the compounds and compositions thereof are disclosed. 3-{3-[N-(1-Piperidino)]aminopropyl}-6-fluoro-1,2-benzisoxazole, processes for the preparation thereof, and methods of treating psychoses and alleviating pain employing the compound and compositions thereof are also disclosed.
    Type: Grant
    Filed: April 23, 1984
    Date of Patent: July 1, 1986
    Assignee: Hoechst-Roussel Pharmacueticals Inc.
    Inventors: Larry Davis, Joseph T. Klein
  • Patent number: 4591586
    Abstract: Novel 6-fluoro-3-[3-(1-heterocyclo)propyl]-1,2-benzisoxazoles, processes for the preparation thereof, and methods of treating psychoses, alleviating pain and reducing blood pressure employing the compounds and compositions thereof are disclosed. 3-{3-[N-(1-Piperidino)]aminopropyl}-6-fluoro-1,2-benzisoxazole, processes for the preparation thereof, and methods of treating pyschoses and alleviating pain employing the compound and compositions thereof are also disclosed.
    Type: Grant
    Filed: April 23, 1984
    Date of Patent: May 27, 1986
    Assignee: Hoechst-Roussel Pharmaceuticals
    Inventors: Larry Davis, Joseph T. Klein
  • Patent number: 4588727
    Abstract: There are described novel pyrrolo[1,2-b][1,2,5]triazepines of the general formula ##STR1## where R is hydrogen, loweralkyl, loweralkylaminoloweralkyl or diloweralkylaminoloweralkyl; X is hydrogen, halogen (fluorine, chlorine, bromine or iodine), trifluoromethyl or nitro; and Y is hydrogen, halogen or loweralkyl. Also described are derivatives of 1-amino-2-benzoylpyrrole having the general formula ##STR2## where R, X and Y are as defined above, and R.sub.1 is hydrogen, ##STR3##Compounds I and II are useful as analgesic, anxiolytic and/or anticonvulsant agents, and many of Compounds II are useful as intermediates for synthesizing Compounds I.
    Type: Grant
    Filed: February 4, 1985
    Date of Patent: May 13, 1986
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Joseph T. Klein, R. Richard L. Hamer
  • Patent number: 4578394
    Abstract: This invention relates to 1,4 dihydropyridines having the following formula ##STR1## wherein R is loweralkyl or Arloweralkyl; R.sub.1, R.sub.2 and R.sub.3 may be the same or different and are hydrogen, loweralkyl or halogen; X is hydrogen, NH.sub.2, ##STR2## and R.sub.4 is hydrogen or loweralkyl. The compounds of this invention display utility in the treatment of Alzheimer's disease and related cognitive disorders characterized by centrally deficient cholinergic function.
    Type: Grant
    Filed: December 10, 1984
    Date of Patent: March 25, 1986
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Richard C. Allen, Richard C. Effland, Joseph T. Klein
  • Patent number: 4551474
    Abstract: This invention relates to 4-aryloxy-1,2,3,4-tetrahydroisoquinolines of the formula ##STR1## where Y is hydrogen and alkoxy; X is hydrogen, cyano, benzoyl, trifluoromethyl, phenyl, halogen, alkyl alkoxy and nitro; R is hydrogen and alkyl; R.sub.1 is hydrogen, alkyl, aralkyl, ##STR2## and CO.sub.2 R.sub.4 where R.sub.1 is aryl and alkyl; R.sub.2 and R.sub.3 are the same or differnt and are hydrogen and alkyl or R.sub.2 and R.sub.3 are fused together to form a pyrrolidino or a piperidino ring substituent; and m is an integer of 1 or 2; n is an integer of 2 or 3; and a pharmaceutically acceptable acid addition salt thereof.
    Type: Grant
    Filed: August 9, 1984
    Date of Patent: November 5, 1985
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Richard C. Effland, Larry Davis, Joseph T. Klein
  • Patent number: 4546105
    Abstract: This invention relates to pyrrolylaminopiperidines and related compounds of the formula ##STR1## where R is hydrogen, loweralkyl, Arloweralkyl, cycloalkylloweralkyl, loweralkenyl and thienylloweralkyl; R.sub.1 loweralkyl, hydrogen, loweralkylcarbonyl, loweralkoxycarbonyl, loweralkylthiocarbonyl of the formula ##STR2## cyano, loweralkylaminocarbonyl, diloweralkylaminocarbonyl, cycloalkylcarbonyl, cycloalkylloweralkylcarbonyl and loweralkenylcarbonyl; R.sub.2 is hydrogen, halogen and methyl; and the pharmaceutically acceptable acid addition salts thereof.
    Type: Grant
    Filed: September 4, 1984
    Date of Patent: October 8, 1985
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Joseph T. Klein
  • Patent number: 4536578
    Abstract: Novel 1-[3-(6-fluoro-1,2-benzisoxazol-3-yl)propyl]-4-(substituted)piperazines, processes for the preparation thereof, and methods of treating psychoses, alleviating pain, and reducing blood pressure, employing compounds and compositions thereof are disclosed.
    Type: Grant
    Filed: April 9, 1982
    Date of Patent: August 20, 1985
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Larry Davis, Joseph T. Klein
  • Patent number: 4524209
    Abstract: Novel 6-fluoro-3-[3-(1-heterocyclo)propyl]-1,2-benzisoxazoles, processes for the preparation thereof, and methods of treating psychoses, alleviating pain and reducing blood pressure employing the compounds and compositions thereof are disclosed. 3-{3-[N-(1-Piperidino)]aminopropyl}-6-fluoro-1,2-benzisoxazole, processes for the preparation thereof, and methods of treating psychoses and alleviating pain employing the compound and compositions thereof are also disclosed.
    Type: Grant
    Filed: April 23, 1984
    Date of Patent: June 18, 1985
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Larry Davis, Joseph T. Klein
  • Patent number: 4517195
    Abstract: There are described novel pyrrolo[1,2-b][1,2,5]triazepines of the general formula ##STR1## where R is hydrogen, loweralkyl, loweralkylaminoloweralkyl or diloweralkylaminoloweralkyl; X is hydrogen, halogen (fluorine, chlorine, bromine or iodine), trifluoromethyl or nitro; and Y is hydrogen, halogen or loweralkyl. Also described are derivatives of 1-amino-2-benzoylpyrrole having the general formula ##STR2## where R, X and Y are as defined above, and R.sub.1 is hydrogen, ##STR3## Compounds I and II are useful as analgesic, anxiolytic and/or anticonvulsant agents, and many of Compounds II are useful as intermediates for synthesizing Compounds I.
    Type: Grant
    Filed: July 2, 1984
    Date of Patent: May 14, 1985
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Joseph T. Klein, R. Richard L. Hamer
  • Patent number: 4477670
    Abstract: This invention relates to 4-aryloxy-1,2,3,4-tetrahydroisoquinolines of the formula ##STR1## where Y is hydrogen and alkoxy; X is hydrogen, cyano, benzoyl, trifluoromethyl, phenyl, halogen, alkyl alkoxy and nitro; R is hydrogen and alkyl; R.sub.1 is hydrogen, alkyl, aralkyl, ##STR2## and Co.sub.2 R.sub.4 where R.sub.4 is aryl and alkyl; R.sub.2 and R.sub.3 are the same or different and are hydrogen and alkyl or R.sub.2 and R.sub.3 are fused together to form a pyrrolidino or a piperidino ring substituent; and m is an integer of 1 or 2; n is an integer of 2 or 3; and a pharmaceutically acceptable acid addition salt thereof.
    Type: Grant
    Filed: December 20, 1982
    Date of Patent: October 16, 1984
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Larry Davis, Joseph T. Klein
  • Patent number: 4458075
    Abstract: Novel 6-fluoro-3-[3-(1-heterocyclo)propyl]-1,2-benzisoxazoles, processes for the preparation thereof, and methods of treating psychoses, alleviating pain and reducing blood pressure employing the compounds and compositions thereof are disclosed. 3-{3-[N-(1-Piperidino)]aminopropyl}-6-fluoro-1,2-benzisoxazole, processes for the preparation thereof, and methods of treating psychoses and alleviating pain employing the compound and compositions thereof are also disclosed.
    Type: Grant
    Filed: April 9, 1982
    Date of Patent: July 3, 1984
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Larry Davis, Joseph T. Klein
  • Patent number: 4452803
    Abstract: This invention relates to pyrrolylaminopiperidines and related compounds of the formula ##STR1## where R is hydrogen, loweralkyl, Arloweralkyl, cycloalkylloweralkyl, loweralkenyl and thienylloweralkyl; R.sub.1 is lower alkyl, hydrogen, loweralkylcarbonyl, loweralkoxycarbonyl, loweralkylthiocarbonyl of the formula ##STR2## cyano, loweralkylaminocarbonyl, diloweralkylaminocarbonyl, cycloalkylcarbonyl, cycloalkylloweralkylcarbonyl and loweralkenylcarbonyl; R.sub.2 is hydrogen, halogen and methyl; and the pharmaceutically acceptable acid addition salts thereof.
    Type: Grant
    Filed: September 19, 1983
    Date of Patent: June 5, 1984
    Assignee: Hoechst-Roussel Pharmaceuticals, Inc.
    Inventors: Richard C. Effland, Joseph T. Klein
  • Patent number: 4418067
    Abstract: Novel 8-[3-(6-fluoro-1,2-benzisoxazol-3-yl)propyl]-1-phenyl-1,2,8-triazaspiro[4. 5]decan-4-ones, process for the preparation thereof, and methods of treating psychoses and alleviating pain employing compounds and compositions thereof are described.
    Type: Grant
    Filed: November 17, 1982
    Date of Patent: November 29, 1983
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Larry Davis, Joseph T. Klein
  • Patent number: 4416887
    Abstract: Novel 1-[3-(6-fluoro-1,2-benzisoxazol-3-yl)propyl]-4-hydroxy-4-phenylpiperidines , processes for the preparation thereof, and methods of treating psychoses and alleviating pain employing compounds and compositions thereof are disclosed.
    Type: Grant
    Filed: May 18, 1983
    Date of Patent: November 22, 1983
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Larry Davis, Joseph T. Klein
  • Patent number: 4415581
    Abstract: Novel 1-[3-(6-fluoro-1,2-benzisoxazol-3-yl)propyl]-4-hydroxy-4-phenylpiperidines , processes for the preparation thereof, and methods of treating psychoses and alleviating pain employing compounds and compositions thereof are disclosed.
    Type: Grant
    Filed: May 18, 1983
    Date of Patent: November 15, 1983
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Larry Davis, Joseph T. Klein
  • Patent number: 4410699
    Abstract: Novel spiro[benzofuranisoquinoline]s, intermediates and processes for the preparation thereof and methods for alleviating pain, inhibiting convulsions, reducing blood pressure and producing diuresis employing the compounds or compositions thereof are disclosed.
    Type: Grant
    Filed: November 29, 1982
    Date of Patent: October 18, 1983
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Larry Davis, Joseph T. Klein
  • Patent number: 4409230
    Abstract: Novel 8-[3-(6-fluoro-1,2-benzisoxazol-3-yl)propyl]-1-phenyl-1,2,8-triazaspiro[4. 5]decan-4-ones, process for the preparation thereof, and methods of treating psychoses and alleviating pain employing compounds and compositions thereof are described.
    Type: Grant
    Filed: November 17, 1982
    Date of Patent: October 11, 1983
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Larry Davis, Joseph T. Klein
  • Patent number: 4396770
    Abstract: Novel 1-[3-(6-fluoro-1,2-benzisoxazol-3-yl)propyl]-4-hydroxy-4-phenylpiperidines , processes for the preparation thereof, and methods of treating psychoses and alleviating pain employing compounds and compositions thereof are disclosed.
    Type: Grant
    Filed: April 9, 1982
    Date of Patent: August 2, 1983
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Larry Davis, Joseph T. Klein