Patents by Inventor Larry A. Davis

Larry A. Davis 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: 4916135
    Abstract: There are described compounds of the formula ##STR1## where --R is ##STR2## --R.sub.3 and R.sub.3 being independently --H, loweralkyl, --CHO, --CH.dbd.CH.sub.2, --CH.dbd.CH--loweralkyl, --CH.dbd.CHCO.sub.2 C.sub.2 H.sub.5, --CH.sub.2 N(C.sub.2 H.sub.5).sub.2 or ##STR3## --R.sub.1 when existent is --H, loweralkyl, --CH.sub.2 C.tbd.CH, ##STR4## R.sub.5 being methyl or phenyl optionally mono-substituted with loweralkyl or loweralkoxy;--R.sub.2 when existent is loweralkyl or --CH.sub.2 C.tbd.CH;--X is --H, loweralkyl, loweralkoxy, halogen or trifluoromethyl; and the two --Y groups when existent are both --H, or combine to constitute --(CH.sub.2).sub.4 --;which compounds are useful as analgesic agents, and for treating various memory dysfunctions characterized by decreased cholinergic function such as Alzheimer's disease.
    Type: Grant
    Filed: May 8, 1989
    Date of Patent: April 10, 1990
    Assignee: Hoechst Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Joseph T. Klein, Larry Davis, Gordon E. Olsen
  • Patent number: 4916139
    Abstract: 3-(2,3,4,5,6-pentafluorophenoxy)-8-azabicyclo[3.2.1]octanes and methods for treating depression, convulsions, pain, and hypertension utilizing compounds or compositions thereof are disclosed.
    Type: Grant
    Filed: June 7, 1989
    Date of Patent: April 10, 1990
    Assignee: Hoechst-Roussel Pharmaceuticals, Inc.
    Inventors: Grover C. Helsley, Larry Davis, Gordon E. Olsen
  • Patent number: 4914103
    Abstract: Pyrido[3,4-f]pyrrolo[1,2-b][1,2,5]triazepines and methods for treating depression, alleviating pain and inflammation, and enhancing memory utilizing compounds or compositions thereof are disclosed.
    Type: Grant
    Filed: August 24, 1989
    Date of Patent: April 3, 1990
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Larry Davis, Kevin J. Kapples, Gordon E. Olsen
  • Patent number: 4914204
    Abstract: 4-Pentafluorophenoxypiperidines and methods for alleviating pain and treating depression, convulsions, and hypertension utilizing compounds or compositions thereof are disclosed.
    Type: Grant
    Filed: March 14, 1988
    Date of Patent: April 3, 1990
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Grover C. Helsley, Larry Davis, Gordon E. Olsen
  • Patent number: 4894461
    Abstract: 3-(.gamma.-chloropropyl)-6-fluoro-1,2-benzisoxazole is a compound useful in preparing compounds having a neuroleptic utility.
    Type: Grant
    Filed: February 27, 1986
    Date of Patent: January 16, 1990
    Assignee: Hoechst-Roussel Pharmaceuticals, Inc.
    Inventors: Larry Davis, Richard C. Effland
  • Patent number: 4879382
    Abstract: Pyrido[3,4-f]pyrrolo[1,2-b][1,2]triazepines and methods for treating depression, alleviating pain and inflammation, and enhancing memory utilizing compounds or compositions thereof are disclosed.
    Type: Grant
    Filed: July 25, 1988
    Date of Patent: November 7, 1989
    Assignee: Hoechst-Roussel Pharmaceuticals, Inc.
    Inventors: Richard C. Effland, Larry Davis, Kevin J. Kapples, Gordon E. Olsen
  • Patent number: 4868190
    Abstract: There are described compounds of the formula: ##STR1## where, X is hydrogen, loweralkyl, loweralkoxy or halogen;Y is hydrogen, loweralkyl or halogen;Z is hydrogen, loweralkyl or halogen;R is hydrogen, loweralkyl, loweralkenyl, loweralkylcarbonyl, dimethylaminoloweralkyl or ##STR2## m being an integer of 1 to 6, with the proviso that when R is loweralkenyl the double bond is not alpha to the nitrogen atom;which compounds are useful analgesic, anticonvulsant and antidepressant agents, and for treating various memory dysfunctions characterized by decreased cholinergic function such as Alzheimer's disease.
    Type: Grant
    Filed: December 27, 1988
    Date of Patent: September 19, 1989
    Assignee: Hoechst-Roussel Pharmaceuticals, Inc.
    Inventors: Richard C. Effland, Joseph T. Klein, Larry Davis, Gordon E. Olsen
  • Patent number: 4861889
    Abstract: 3-(2,3,4,5,6-pentafluorophenoxy)-8-azabicyclo[3.2.1]octanes and methods for treating depression, convulsions, pain, and hypertension utilizing compounds or compositions thereof are disclosed.
    Type: Grant
    Filed: March 14, 1988
    Date of Patent: August 29, 1989
    Assignee: Hoechst-Roussel Pharmaceuticals, Inc.
    Inventors: Grover C. Helsley, Larry Davis, Gordon E. Olsen
  • Patent number: 4853384
    Abstract: 1-Carbonyl derivatives of 4-aryl-4-aryloxypiperidines and methods for alleviating pain and treating convulsions utilizing compounds or compositions thereof are disclosed.
    Type: Grant
    Filed: March 14, 1988
    Date of Patent: August 1, 1989
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Grover C. Helsley, Larry Davis, Gordon E. Olsen
  • Patent number: 4822796
    Abstract: 1-[(phenothiazin-10-yl)alkyl]-.alpha.-phenyl-4-piperidinemethanols and methods for treating pain or psychosis utilizing compounds or compositions thereof are disclosed.
    Type: Grant
    Filed: June 1, 1987
    Date of Patent: April 18, 1989
    Inventors: Grover C. Helsley, Larry Davis, Gordon E. Olsen
  • Patent number: 4812456
    Abstract: This invention relates to 1-[n-(2-alkylthio-10H-phenothiazin-10-yl)alkyl]-4-benzoylpiperidines and methods for treating pain or psychosis utilizing compounds or compositions thereof.
    Type: Grant
    Filed: May 13, 1987
    Date of Patent: March 14, 1989
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Grover C. Helsley, Larry Davis, Gordon E. Olsen
  • Patent number: 4812450
    Abstract: This invention relates to spiro-[(piperidine-, pyrrolidine-, or -hexahyroazepinyl substituted) pyrrolo[2,1-c][1,4]-benzoxazepines] having the following formula ##STR1## wherein R is hydrogen, lower alkyl, arylloweralkyl, acyl, lower alkenyl, lower alkynyl, and loweralkylbenzisoxazole; X is hydrogen, halogen, loweralkoxy, and trifluoromethyl; Y is hydrogen; 2' or 3' acyl, formyl, carbinol of the formula ##STR2## wherein R.sub.1 and R.sub.2 are the same or different and are independently hydrogen, loweralkyl, arylloweralkyl, aryl, loweralkenyl, lower alkynyl and lower alkylbenzisoxazole; loweralkyl, loweralkenyl and halogen; and n is an integer of 1 to 3. The compounds of this invention display utility as analgesic and antihypertensive agents.
    Type: Grant
    Filed: July 30, 1987
    Date of Patent: March 14, 1989
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Larry Davis, Kevin J. Kapples
  • Patent number: 4794181
    Abstract: The invention relates to 1-aryloxy-2,3,4,5-tetrahydro-3-benzazepines of the formula ##STR1## wherein Y is the same of different and is hydrogen and lower alkoxy; X is hydrogen, halogen, lower alkyl, lower alkoxy, CF.sub.3, NO.sub.2, CN and NH.sub.2 ; R is hydrogen, lower alkyl, cycloalkyllower alkyl, ##STR2## Ar lower alkyl of the formula ##STR3## where Z is hydrogen, lower alkyl, lower alkoxy, halogen CF.sub.3, NO.sub.2 and NH.sub.2 ; Aryloxy lower alkyl of the formula ##STR4## where Z is as previously defined; and an alkylene amine of the formula ##STR5## where R.sub.1 and R.sub.2 are the same or different and are hydrogen and lower alkyl, n is an integer of 1 or 2; and the pharmaceutically acceptable acid addition salts thereof.
    Type: Grant
    Filed: January 16, 1986
    Date of Patent: December 27, 1988
    Assignee: Hoechst-Roussel Pharmaceuticals, Inc.
    Inventors: Richard C. Effland, Joseph T. Klein, Larry Davis
  • Patent number: 4681879
    Abstract: There are described novel 11-substituted 5H,11H-pyrrolo[2,1-c][1,4]benzoxazepines of the general formula ##STR1## where m and n are each independently 0, 1 or 2 and m+n is 1 or 2, X and Y are each independently hydrogen, loweralkyl or halogen, and R is hydrogen, cyano, --C(NH.sub.2)NOH, ##STR2## unsubstituted loweralkyl, or substituted loweralkyl having one to three substituents each of which being independently cyano, hydroxy, cycloalkyl of 3-6 carbon atoms, furyl, thienyl, ##STR3## k being 1, 2 or 3, W being each indepentently hydrogen, halogen, hydroxy, loweralkyl, trifluoromethyl, loweralkoxy, nitro, amino, diloweralkylamino, phenoxy, or benzyloxy, and Z being hydrogen, loweralkyl or halogen, which are useful as antipsychotic and analgesic agents; novel intermediate compounds therefor; and methods of synthesizing the foregoing compounds.
    Type: Grant
    Filed: March 20, 1985
    Date of Patent: July 21, 1987
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Larry Davis, Kevin J. Kapples
  • Patent number: 4667039
    Abstract: There are described to novel 11-substituted 5H,11H-pyrrolo[2,1-c][1,4]benzoxazepines of the general formula ##STR1## where m and n are each independently 0, 1 or 2 and m+n is 1 or 2, X and Y are each independently hydrogen, loweralkyl or halogen, and R is hydrogen, cyano, --C(NH.sub.2)NOH, ##STR2## unsubstituted loweralkyl, or substituted loweralkyl having one to three substituents each of which being independently cyano, hydroxy, cyclohexyl, furyl, thienyl, ##STR3## k being 1, 2 or 3, W being each independently hydrogen, halogen, hydroxy, loweralkyl, trifluoromethyl, loweralkoxy, nitro, amino, diloweralkylamino, phenoxy, or benzyloxy, and Z being hydrogen, loweralkyl or halogen, which are useful as antipsychotic and analgesic agents; novel intermediate compounds therefor; and methods of synthesizing the foregoing compounds.
    Type: Grant
    Filed: December 19, 1985
    Date of Patent: May 19, 1987
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Larry Davis, Kevin J. Kapples
  • Patent number: 4610988
    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 9, 1986
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Larry Davis, Joseph T. Klein
  • 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: 4608374
    Abstract: There are described to novel 11-substituted 5H,11H-pyrrolo[2,1-c][1,4]benzoxazepines of the general formula ##STR1## where m and n are each independently 0, 1 or 2 and m+n is 1 or 2, X and Y are each independently hydrogen, loweralkyl or halogen, and R is hydrogen, cyano, --C(NH.sub.2)NOH, ##STR2## unsubstituted loweralkyl, or substituted loweralkyl having one to three substituents each of which being independently cyano, hydroxy, cyclohexyl, furyl, thienyl, ##STR3## k being 1, 2 or 3, W being each independently hydrogen, halogen, hydroxy, loweralkyl, trifluoromethyl, loweralkoxy, nitro, amino, diloweralkylamino, phenoxy, or benzyloxy, and Z being hydrogen, loweralkyl or halogen, which are useful as antipsychotic and analgesic agents; novel intermediate compounds therefor; and methods of synthesizing the foregoing compounds.
    Type: Grant
    Filed: November 7, 1983
    Date of Patent: August 26, 1986
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Larry Davis, Kevin J. Kapples
  • 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