Patents by Inventor Larry Davis

Larry 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: 5037835
    Abstract: There are described compounds of the formula, ##STR1## where R is hydrogen, loweralkyl, arylloweralkyl or loweralkylcarbonyl;k is 0 or 1;m is 1, 2 or 3;k+m is 2 or 3; andn is 0 or 1;which compounds are useful as topical antiinflammatory agents for the treatment of various dermatoses.
    Type: Grant
    Filed: September 27, 1990
    Date of Patent: August 6, 1991
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Joseph T. Klein, Gordon E. Olsen, Larry Davis
  • Patent number: 5034403
    Abstract: There are described compounds of the formula ##STR1## where n is 0 or 1;X is O or NR.sub.2, R.sub.2 being hydrogen, lowerallkyl or loweralkylcarbonyl;R is hydrogen, loweralkyl, arylloweralkyl or loweralkylcarbonyl; andR.sub.1 is ##STR2## wherein R.sub.3 is hydrogen, loweralkyl or loweralkylcarbonyl; m is 1 or 2; each R.sub.4 is independently hydrogen or loweralkyl; and Y is hydrogen, halogen, loweralkyl, loweralkoxy or trifluoromethyl; which compounds are useful as topical antiinflammatory agents for the treatment of various dermatoses.
    Type: Grant
    Filed: October 25, 1990
    Date of Patent: July 23, 1991
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Joseph T. Klein, Gordon E. Olsen, Larry Davis, Russell R. L. Hamer, Brian S. Freed
  • Patent number: 5030639
    Abstract: There are disclosed compounds having the formula ##STR1## wherein R.sub.1 is hydrogen or loweralkyl; R.sub.2 is loweralkyl, arylloweralkyl, diarylloweralkyl or --CH.sub.2 CHOHCH.sub.2 OR.sub.5, R.sub.5 being aryl, or alternatively --NR.sub.1 R.sub.2 taken together is ##STR2## or ##STR3## R.sub.6 being aryl, arylloweralkyl, diarylloweralkyl, ##STR4## or ##STR5## and R.sub.3 and R.sub.4 are each independently methoxy or hydroxy, which compounds are useful as analgesic and hypotensive agents.
    Type: Grant
    Filed: February 4, 1991
    Date of Patent: July 9, 1991
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventor: Larry Davis
  • Patent number: 5017578
    Abstract: This invention relates to a N-heteroaryl-purin-6-amine of the formula ##STR1## where R.sub.1 is hydrogen, lower alkyl, and arylloweralkyl; R.sub.2 and R.sub.3 are independently hydrogen, lower alkyl or R.sub.2 and R.sub.3 taken together are aryl; R.sub.4 and R.sub.5 are independently hydrogen, lower alkyl, or R.sub.4 and R.sub.5 taken together are aryl; R.sub.6 is hydrogen, lower alkyl, aryl, arylloweralkyl, ##STR2## where R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are as defined above, and the pharmaceutically acceptable acid addition salts thereof and where applicable the geometric and optical isomers and racemic mixtures thereof. The compounds of this invention display utility as analgesic and anticonvulsant agents.
    Type: Grant
    Filed: June 9, 1989
    Date of Patent: May 21, 1991
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Joseph T. Klein, Larry Davis, Gordon E. Olson
  • Patent number: 5015637
    Abstract: There are disclosed various compounds of the formula below, ##STR1## where X is hydrogen, halogen or loweralkyl;Y is hydrogen, halogen, loweralkyl, loweralkoxy or trifluoromethyl;R.sub.1 is hydrogen, loweralkyl, aryl, arylloweralkyl, diloweralkylaminoloweralkyl or ##STR2## R.sub.3 being hydrogen, loweralkyl or arylloweralkyl; and R.sub.2 is hydrogen, loweralkyl or arylloweralkyl;which compounds are useful as analgesic agents.
    Type: Grant
    Filed: May 25, 1990
    Date of Patent: May 14, 1991
    Assignee: Hoechst-Roussel Pharmaceutical Inc.
    Inventors: Richard C. Effland, Larry Davis
  • Patent number: 5008264
    Abstract: There are disclosed compounds having the formula ##STR1## wherein R.sub.1 is hydrogen or loweralkyl; R.sub.2 is loweralkyl, arylloweralkyl, diarylloweralkyl or --CH.sub.2 CHOHCH.sub.2 OR.sub.5, R.sub.5 being aryl, or alternatively --NR.sub.1 R.sub.2 taken together is ##STR2## R.sub.6 being aryl, arylloweralkyl, diarylloweralkyl, ##STR3## and R.sub.3 and R.sub.4 are each independently methoxy or hydroxy, which compounds are useful as analgesic and hypotensive agents.
    Type: Grant
    Filed: October 9, 1990
    Date of Patent: April 16, 1991
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventor: Larry Davis
  • Patent number: 4996205
    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: January 19, 1990
    Date of Patent: February 26, 1991
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Larry Davis, Kevin J. Kapples, Gordon E. Olsen
  • Patent number: 4992448
    Abstract: There are described compounds of the formula, ##STR1## where R is hydrogen, loweralkyl, arylloweralkyl or loweralkylcarbonyl;k is 0 or 1;m is 1,2 or 3;k+m is 2 or 3; andn is 0 or 1;which compounds are useful as topical antiinflammatory agents for the treatment of various dermatoses.
    Type: Grant
    Filed: October 24, 1989
    Date of Patent: February 12, 1991
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Joseph T. Klein, Gordon E. Olsen, Larry Davis
  • Patent number: 4988690
    Abstract: The invention relates to 1-aryloxy-2,3,4,5-tetrahydro-3-benzazepines of the formula ##STR1## wherein Y is the same or 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 -alkylene ##STR3## where Z is hydrogen, lower alkyl, lower alkoxy, halogen, CF.sub.3, NO.sub.2 and NH.sub.2 ; and an alkylene amine of the formula ##STR4## where R.sub.1 and R.sub.2 are the same of different and are hydrogen and lower alkyl, and the pharmaceutically acceptable acid addition salts thereof.
    Type: Grant
    Filed: June 14, 1982
    Date of Patent: January 29, 1991
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Joseph T. Klein, Larry Davis
  • Patent number: 4983615
    Abstract: There are described compounds of the formula ##STR1## where n is 0 or 1;X is O or NR.sub.2, R.sub.2 being hydrogen, loweralkyl or loweralkylcarbonyl;R is hydrogen, loweralkyl, arylloweralkyl or loweralkylcarbonyl; andR.sub.1 is ##STR2## wherein R.sub.3 is hydrogen, loweralkyl or loweralkylcarbonyl; m is 1 or 2; each R.sub.4 is independently hydrogen or loweralkyl; and Y is hydrogen, halogen, loweralkyl, loweralkoxy or trifluoromethyl;which compounds are useful as topical antiinflammatory agents for the treatment of various dermatoses.
    Type: Grant
    Filed: March 21, 1990
    Date of Patent: January 8, 1991
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Joseph T. Klein, Gordon E. Olsen, Larry Davis, Russell R. L. Hamer, Brian S. Freed
  • Patent number: 4983608
    Abstract: This invention relates to N-heteroaryl-4-pyrimidinamines of the formula ##STR1## where R.sub.1 is hydrogen, loweralkyl, aryl, or arylloweralkyl; R.sub.2 and R.sub.3 are independently hydrogen or loweralkyl, or R.sub.2 and R.sub.3 taken together are aryl; R.sub.4 and R.sub.5 are independently hydrogen or lowealkyl, or R.sub.4 and R.sub.5 taken together are aryl; X is hydrogen, halogen, cyano, nitro, amino, loweralkyl, loweralkoxy, trifluoromethyl or ##STR2## where Y is hydrogen, halogen or loweralkyl; m is an integer of 1 to 3; and the pharmaceutically acceptable acid addition salts thereof and where applicable the geometrical and optical isomers and racemic mixtures thereof. The compounds of this invention display utility as memory enhancing agents and as analgesic agents.
    Type: Grant
    Filed: September 5, 1989
    Date of Patent: January 8, 1991
    Assignee: Hoechst-Roussell Pharmaceuticals, Inc.
    Inventors: Richard C. Effland, Joseph T. Klein, Larry Davis, Gordon E. Olsen
  • Patent number: 4980365
    Abstract: There are disclosed compounds having the formula ##STR1## wherein R.sub.1 is hydrogen or loweralkyl; R.sub.2 is loweralkyl, arylloweralkyl, diarylloweralkyl or --CH.sub.2 CHOHCH.sub.2 OR.sub.5, R.sub.5 being aryl, or alternatively --NR.sub.1 R.sub.2 taken together is ##STR2## R.sub.6 being aryl, arylloweralkyl, diarylloweralkyl, ##STR3## and R.sub.3 and R.sub.4 are each independently methoxy or hydroxy, which compounds are useful as analgesic and hypotensive agents.
    Type: Grant
    Filed: July 13, 1987
    Date of Patent: December 25, 1990
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventor: Larry Davis
  • Patent number: 4970218
    Abstract: There are disclosed compounds of the formula, ##STR1## where m, n, p, R, R.sub.1, R.sub.2 and R.sub.3 are as defined in the specification; which compounds are useful for enhancing memory and also as analgesic and antidepressant agents.
    Type: Grant
    Filed: September 11, 1989
    Date of Patent: November 13, 1990
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Joseph T. Klein, Larry Davis, Gordon E. Olsen
  • Patent number: 4970219
    Abstract: There are described compounds of the formula ##STR1## where n is 0 or 1;X is O or NR.sub.2,R.sub.2 being hydrogen, loweralkyl or loweralkylcarbonyl;R is hydrogen, loweralkyl, arylloweralkyl or loweralkylcarbonyl; and R.sub.1 is ##STR2## wherein R.sub.3 is hydrogen, loweralkyl or loweralkylcarbonyl; which compounds are useful as topical antiinflammatory agents for the treatment of various dermatoses.
    Type: Grant
    Filed: June 28, 1989
    Date of Patent: November 13, 1990
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Joseph T. Klein, Gordon E. Olsen, Larry Davis
  • Patent number: 4959377
    Abstract: There are described compounds of the formula ##STR1## where n is 0 or 1;X is hydrogen, loweralkyl, loweralkoxy, halogen, formyl, loweralkylcarbonyl, loweralkyoxycarbonyl, loweralkoxycarbonylloweralkyl or hydroxymethyl;Y is hydrogen or halogen;andR is hydrogen, loweralkyl arylloweralkyl or loweralkylcarbonyl,which compounds are useful as topical antiinflammatory agents for the treatment of various dermatoses.
    Type: Grant
    Filed: June 29, 1989
    Date of Patent: September 25, 1990
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Joseph T. Klein, Gordon E. Olsen, Larry Davis
  • Patent number: 4954511
    Abstract: 4-Phenafluorophenoxypiperidines and methods for alleviating pain and treating depression, convulsions, and hypertension utilizing compounds or compositions thereof are disclosed.
    Type: Grant
    Filed: January 24, 1990
    Date of Patent: September 4, 1990
    Assignee: Hoechst-Roussell Pharmaceuticals Inc.
    Inventors: Grover C. Helsley, Larry Davis, Gordon E. Olsen
  • Patent number: 4935418
    Abstract: The invention relates to 1-aryloxy-2,3,4,5-tetrahydro-3-benzazepines of the formula ##STR1## wherein Y is the same or 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: August 23, 1988
    Date of Patent: June 19, 1990
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Joseph T. Klein, Larry Davis
  • Patent number: 4931457
    Abstract: There are described compounds of the formula ##STR1## where R is hydrogen, loweralkyl, arylloweralkyl or loweralkylcarbonyl;X is O or NR.sub.1, R.sub.1 being hydrogen, loweralkyl or loweralkylcarbonyl; andY is hydrogen, loweralkyl, loweralkoxy, halogen or trifluoromethyl;which compounds are useful as topical antiinflammatory agents for the treatment of skin disorders.
    Type: Grant
    Filed: June 28, 1989
    Date of Patent: June 5, 1990
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Joseph T. Klein, Gordon E. Olsen, Larry Davis
  • Patent number: 4918069
    Abstract: This invention relates to spiro-[(piperidine-, pyrrolidine-, or -hexahydroazepinyl 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## where 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: December 29, 1988
    Date of Patent: April 17, 1990
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Larry Davis, Kevin J. Kapples
  • 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