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: 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: 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: 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: 4900742
    Abstract: There are disclosed novel compounds of the formula ##STR1## where R is H, loweralkyl, halogen, cyano, loweralkanoyl, arylloweralkanoyl, aroyl, --CH(OH)r.sub.1, --C(OH)r.sub.1 r.sub.2 or --CH.sub.2 Or.sub.2, where r.sub.1 is H, loweralkyl, arylloweralkyl or aryl and r.sub.2 is loweralkyl; R.sub.1 is H, loweralkyl, arylloweralkyl, phenyl, nitrophenyl, cyanophenyl, trifluoromethylphenyl, aminophenyl, loweralkanoylaminophenyl, loweralkoxycarbonyl, arylloweralkoxycarbonyl, aryloxycarbonyl, loweralkylaminocarbonyl, arylloweralkylaminocarbonyl, arylaminocarbonyl, alkanoyl, arylloweralkanoyl, aroyl, alkenoyl or alkynoyl; and R.sub.2 is H, NO.sub.2, NH.sub.2, halogen, loweralkanoylamino, arylloweralkanoylamino, aroylamino or loweralkyl, or R.sub.
    Type: Grant
    Filed: June 1, 1988
    Date of Patent: February 13, 1990
    Assignee: Hoechst-Roussel Pharmaceuticals, Inc.
    Inventors: Richard C. Effland, Joseph T. Klein, Kevin J. Kapples
  • Patent number: 4883794
    Abstract: There are described pyrrolo[1,2-b] cinnolines having formula ##STR1## where R.sub.1 when present is hydrogen, loweralky, arylloweralkyl or --CH.sub.2 CO.sub.2 C.sub.2 H.sub.5 ; is hydrogen, loweralkyl, arylloweralkyl, chlorine, bromine, iodine, formyl, nitro, --CH.dbd.CR.sub.3 R.sub.4 or --CH.sub.2 CHR.sub.3 R.sub.4, R.sub.3 and R.sub.4 being independently hydrogen, loweralkyl, aryl or arylloweralkyl; X is oxygen, amino, loweralkylamino, arylloweralkylamino or methoxy; and Y is hydrogen, flourine, chlorine, bromine, iodine, trifluoromethyl or nitro, and pharmaceutically acceptable acid addition salts thereof which are useful as analgesic agents and as enhancers of cholinergic function and hence for the treatment of memory dysfunctions and senile demetia's such as Alzheimer's disease characterized by diminished cholinergic function.
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: November 28, 1989
    Assignee: Hoechst-Roussel Pharmaceuticals, Inc.
    Inventors: R. Russell L. Hamer, Richard C. Effland, Joseph T. Klein
  • Patent number: 4880822
    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: April 4, 1988
    Date of Patent: November 14, 1989
    Assignee: Hoechst-Roussel Pharmaceuticals, Inc.
    Inventors: Richard C. Effland, Joseph T. Klein
  • 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: 4806554
    Abstract: There are described compounds of the formula ##STR1## where n is 0 or 1; R.sub.1 is independently hydrogen, loweralkyl, loweralkenyl, loweralkynyl, loweralkoxycarbonylloweralkyl, loweralkylaminocarbonylloweralkyl, aminocarbonylloweralkyl, arylloweralkyl, phenyl, nitrophenyl, cyanophenyl, trifluoromethylphenyl, aminophenyl, loweralkanoylaminophenyl, loweralkoxycarbonyl, arylloweralkoxycarbonyl, aryloxycarbonyl, loweralkylaminocarbonyl, arylloweralkylaminocarbonyl, arylaminocarbonyl, alkanoyl, arylloweralkanoyl, aroyl, alkenoyl, alkynoyl or --R.sub.5 --NR'R" where R.sub.5 is loweralkylene, loweralkenylene or loweralkynylene and R' and R" are each independently loweralkyl or alternatively the group --NR'R" as a whole is 1-pyrrolidinyl, 1-piperidinyl, 4-morpholinyl, 4-loweralkyl-1-piperazinyl or 4-aryl-1-piperazinyl;R.sub.2 is hydrogen or loweralkyl;R.sub.3 and R.sub.4 are each independently hydrogen or loweralkyl, or alternatively R.sub.3 and R.sub.4 taken together form --CH.dbd.CH--CH.dbd.
    Type: Grant
    Filed: January 11, 1988
    Date of Patent: February 21, 1989
    Assignee: Hoechst-Roussel Pharmaceuticals, Inc.
    Inventors: Richard C. Effland, Joseph T. Klein
  • Patent number: 4800203
    Abstract: There are described pyrrolo[1,2-b]cinnolines having the formula ##STR1## where R.sub.1 when present is hydrogen, loweralkyl, arylloweralkyl or --CH.sub.2 CO.sub.2 C.sub.2 H.sub.5 ; R.sub.2 is hydrogen, loweralkyl, arylloweralkyl, chlorine, bromine, iodine, formyl, nitro, --Ch.dbd.CR.sub.3 R.sub.4 or --CH.sub.2 CHR.sub.3 R.sub.4, R.sub.3 and R.sub.4 being independently hydrogen, loweralkyl, aryl or arylloweralkyl; X is oxygen, amino, loweralkylamino, arylloweralkylamino or methoxy; and Y is hydrogen, fluorine, chlorine, bromine, iodine, trifluoromethyl or nitro, and pharmaceutically acceptable acid addition salts thereof which are useful as analgesic agents and as enhancers of cholinergic function and hence for the treatment of memory dysfunctions and senile dementia's such as Alzheimer's disease characterized by diminished cholinergic function.
    Type: Grant
    Filed: September 24, 1987
    Date of Patent: January 24, 1989
    Assignee: Hoechst-Roussel Pharmaceuticals, Inc.
    Inventors: R. Russell Hamer, Richard C. Effland, Joseph T. Klein
  • 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: 4792562
    Abstract: There are disclosed novel compounds of the formula ##STR1## where n is 0 or 1; R is hydrogen or loweralkyl; R.sub.1 is hydrogen, loweralkyl, halogen, cyano, loweralkanoyl, arylloweralkanoyl, aroyl, --CH(OH)R.sub.4, --C(OH)R.sub.4 R.sub.5 or --CH.sub.2 OR.sub.5, --CH.dbd.CR.sub.6 R.sub.7, --CH.dbd.CHCN, --CH.dbd.CHOCH.sub.3, --CH.dbd.CHCO.sub.2 C.sub.2 H.sub.5, ##STR2## --CH.sub.2 CHR.sub.6 R.sub.7, --CH.sub.2 CH.sub.2 CN, --CH.sub.2 CH.sub.2 OCH.sub.3, --CH.sub.2 CH.sub.2 CO.sub.2 C.sub.2 H.sub.5, ##STR3## R.sub.4 being hydrogen, loweralkyl, arylloweralkyl or aryl, R.sub.5 being loweralkyl, aryl or arylloweralkyl, R.sub.6 being hydrogen or loweralkyl and R.sub.7 being hydrogen, loweralkyl or aryl; R.sub.2 is hydrogen, loweralkyl, loweralkenyl, loweralkynyl, --CH.sub.2 CO.sub.2 C.sub.2 H.sub.
    Type: Grant
    Filed: November 12, 1986
    Date of Patent: December 20, 1988
    Assignee: Hoechst-Roussel Pharmaceuticals, Inc.
    Inventors: Richard C. Effland, Joseph T. Klein, Kevin J. Kapples
  • Patent number: 4789678
    Abstract: There are described compounds of the formula ##STR1## where X is hydrogen, halogen, loweralkyl, loweralkoxy or trifluoromethyl; R is ##STR2## R.sub.4 being loweralkyl; R.sub.1 is hydrogen, loweralkyl or arylloweralkyl; R.sub.2 is hydrogen, loweralkyl or arylloweralkyl; and R.sub.3 is loweralkyl, with the proviso that when R is acetyl, R.sub.3 is methyl and X is hydrogen, R.sub.1 and R.sub.2 are not both hydrogen, or pharmaceutically acceptable acid addition salts thereof, which are useful in the treatment of various memory dysfunctions characterized by decreased cholinergic function.
    Type: Grant
    Filed: August 25, 1986
    Date of Patent: December 6, 1988
    Assignee: Hoechst-Roussel Pharmaceuticals, Inc.
    Inventors: Richard C. Effland, Joseph T. Klein
  • Patent number: 4752610
    Abstract: There are disclosed novel compounds of the formula ##STR1## where R is H, loweralkyl, halogen, cyano, loweralkanoyl, arylloweralkanoyl, aroyl, --CH(OH)r.sub.1, --C(OH)r.sub.1 r.sub.2 or --CH.sub.2 Or.sub.2, where r.sub.1 is H, loweralkyl, arylloweralkyl or aryl and r.sub.2 is loweralkyl; R.sub.1 is H, loweralkyl, arylloweralkyl, phenyl, nitrophenyl, cyanophenyl, trifluoromethylphenyl, aminophenyl, loweralkanoylaminophenyl, loweralkoxycarbonyl, arylloweralkoxycarbonyl, aryloxycarbonyl, loweralkylaminocarbonyl, arylloweralkylaminocarbonyl, arylaminocarbonyl, alkanoyl, arylloweralkanoyl, aroyl, alkenoyl or alkynoyl; and R.sub.2 is H, NO.sub.2, NH.sub.2, halogen, loweralkanoylamino, arylloweralkanoylamino, aroylamino or loweralkyl, or R.sub.
    Type: Grant
    Filed: December 4, 1985
    Date of Patent: June 21, 1988
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, Joseph T. Klein, 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