Patents by Inventor Richard C. Effland

Richard C. Effland 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: 5006536
    Abstract: Novel thienobenzoxepins and naphthothiophenes, intermediates and processes for the preparation thereof, and methods of alleviating pain utilizing compounds or compositions thereof are disclosed.
    Type: Grant
    Filed: December 26, 1989
    Date of Patent: April 9, 1991
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, David G. Wettlaufer
  • Patent number: 5006537
    Abstract: This invention relates to 1,3-dihydro-1-(pyridinylamino)-2H-indol-2-ones of the formula ##STR1## where R.sub.1,R.sub.2 and R.sub.3 are independently hydrogen, loweralkyl, aryl, arylloweralkyl or heteroarylloweralkyl selected from the group consisting of pyridinylmethyl, pyridinylethyl, thienylmethyl, thienylethyl; or R.sub.2 and R.sub.3 together form a cycloalkane ring of 4 to 6 carbons or a spiro-fused aryl or heteroaryl cycloalkane; X and Y are independently hydrogen, halogen, hydroxy, loweralkyl, loweralkoxy, nitro, amino or trifluoromethyl; m and n are independently integers 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 display utility as analgesics, anticonvulsants, for enhancing memory and for the treatment of Alzheimer's disease.
    Type: Grant
    Filed: August 2, 1989
    Date of Patent: April 9, 1991
    Assignee: Hoechst-Roussel Pharmaceuticals, Inc.
    Inventors: Richard C. Effland, David G. Wettlaufer
  • Patent number: 5002955
    Abstract: There are disclosed compounds having the formula ##STR1## wherein n is 1-4; R is hydrogen, loweralkyl or loweralkylcarbonyl; R.sub.1 is hydrogen, loweralkyl, loweralkylcarbonyl, aryl, diloweralkylaminoloweralkyl, arylloweralkyl, diarylloweralkyl, oxygen-bridged arylloweralkyl, or oxygen-bridged diaryllowerallyl; A is a direct bond or (CHR.sub.3).sub.m, m being 1-3; X is hydrogen, loweralkyl, cycloalkyl, loweralkoxy, halogen, hydroxy, nitro, trifluoromethyl, formyl, loweralkylcarbonyl, arylcarbonyl, --SH, loweralkylthio, --NHCOR.sub.4 or --NR.sub.5 R.sub.6, R.sub.4 being hydrogen or loweralkyl, and R.sub.5 and R.sub.6 being independently hydrogen, loweralkyl or cycloalkyl; Y is O, S or NR.sub.7 ; and each R.sub.2, each R.sub.3 and R.sub.
    Type: Grant
    Filed: April 13, 1989
    Date of Patent: March 26, 1991
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Gregory M. Shutske, Richard C. Effland
  • 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: 4994472
    Abstract: This invention relates to 1-(pyridinylamino)-2-pyrrolidinones of the formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are independently hydrogen, loweralkyl, aryl, arylloweralkyl or heteroarylloweralkyl selected from the group consisting of pyridinylmethyl, pyridinylethyl, thienylmethyl, thienylethyl or R.sub.2 and R.sub.3 together form a cycloalkane ring of 4 to 6 carbons or a spiro-fused aryl or heteroaryl substituted cycloalkane; X is hydrogen, halogen, hydroxy, loweralkyl, loweralkoxy, nitro, amino or trifluoromethyl; m is an integer of 1 to 3, the pharmaceutically acceptable acid addition salts thereof and where appropriate the geometrical, optical and stereoisomers and racemic mixtures thereof. The compounds of this invention display utility as analgesics, for enhancing memory and for the treatment of Alzheimer's disease.
    Type: Grant
    Filed: August 2, 1989
    Date of Patent: February 19, 1991
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Richard C. Effland, David G. Wettlaufer
  • 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: 4978663
    Abstract: There are described compounds of the formula ##STR1## where n is 1,2 or 3;R.sub.1 is hydrogen, formyl, loweralkylcarbonyl, arylloweralkylcarbonyl, loweralkyl, arylloweralkyl, ##STR2## R.sub.5 and R.sub.6 being independently loweralkyl or alternatively the group ##STR3## taken as a whole is ##STR4## R.sub.2 is hydrogen, loweralkyl, loweralkenyl, arylloweralkyl, --CH.sub.2 C.tbd.CH, R.sub.7 and R.sub.8 being independently loweralkyl or alternatively the group ##STR5## taken as a whole is ##STR6## R.sub.3 is hydrogen or loweralkyl; and R.sub.4 is hydrogen or loweralkyl;which compounds are useful as analgesic agents and also for treating various memory dysfunctions.
    Type: Grant
    Filed: August 16, 1989
    Date of Patent: December 18, 1990
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, David M. Fink
  • 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: 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: 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: 4959378
    Abstract: There are described compounds of the formula ##STR1## where R is hydrogen, loweralkyl, arylloweralkyl or loweralkylcarbonyl;R.sub.1 is hydrogen, loweralkyl or loweralkylcarbonyl; 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: September 25, 1990
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Allen, Joseph T. Klein, Richard C. Effland
  • Patent number: 4940704
    Abstract: Novel pyrido[3,4-b][1,4]benzoxazepines, intermediates for the preparation thereof, and methods for treating depression, alleviating pain, and relieving memory dysfunction are disclosed.
    Type: Grant
    Filed: August 16, 1989
    Date of Patent: July 10, 1990
    Assignee: Hoechst-Roussel Pharmaceutical Inc.
    Inventors: Richard C. Effland, Joseph T. Klein
  • 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
  • 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