Patents by Inventor Robert R. Bartlett

Robert R. Bartlett 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: 5679709
    Abstract: A pharmaceutical composition for use in the treatment of chronic Graft-versus-host diseases as well as autoimmune diseases, in particular for the treatment of systemic lupus erythematosus containing as an active ingredient at least one compound of the formula 1 or 2 ##STR1## the latter being present per se or in the form of a physiologically tolerable salt.The invention also relates to a dosage unit form of said pharmaceutical composition and a method of treating chronic Graft-versus host diseases as well as autoimmune diseases, in particular systemic lupus erythematosus.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: October 21, 1997
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Robert R. Bartlett, Rudolf Schleyerbach, Friedrich-Johannes Kammerer
  • Patent number: 5589514
    Abstract: Compounds of formula I, ##STR1## wherein the substituents R.sub.1 -R.sub.4 and a have the given meanings and show an activity against inflammatory conditions.
    Type: Grant
    Filed: May 19, 1995
    Date of Patent: December 31, 1996
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Ramachandra G. Naik, Vilas N. Mumbaikar, Rangarajan Vasumathy, Aftab D. Lakdawala, Mandakini V. Shirole, Bansi Lal, Jurgen Blumbach, Klaus U. Weithmann, Robert R. Bartlett
  • Patent number: 5556870
    Abstract: N-(4-Trifluoromethylphenyl)-5-methylisoxazole-4-carboxamide is an effective compound for preventing and treating disorders in which interleukin 1 beta is involved. It is used as a pharmaceutical.
    Type: Grant
    Filed: March 28, 1995
    Date of Patent: September 17, 1996
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Klaus U. Weithmann, Robert R. Bartlett
  • Patent number: 5554637
    Abstract: N-(4-Trifluoromethylphenyl)-5-methylisoxazole-4-carboxamide is an effective compound for preventing and treating disorders in which interleukin 1 alpha is involved. It is used as a pharmaceutical.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: September 10, 1996
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Klaus U. Weithmann, Robert R. Bartlett
  • Patent number: 5547971
    Abstract: The use of leflunomide for inhibiting interleukin 8 N-(4-Trifluoromethylphenyl)-5-methylisoxazole-4-carboxamide is an effective compound for preventing and treating disorders in which interleukin 8 is involved. It is used as a pharmaceutical.
    Type: Grant
    Filed: March 28, 1995
    Date of Patent: August 20, 1996
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Klaus U. Weithmann, Robert R. Bartlett
  • Patent number: 5547970
    Abstract: N-(4-Trifluoromethylphenyl)-5-methylisoxazole-4-carboxamide is an effective compound for preventing and treating disorders in which tumor necrosis factor alpha is involved. It is used as a pharmaceutical.
    Type: Grant
    Filed: March 28, 1995
    Date of Patent: August 20, 1996
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Klaus U. Weithmann, Robert R. Bartlett
  • Patent number: 5532259
    Abstract: Isoxazole-4-carboxamides and hydroxyalkylidenecyanoacetamides, pharmaceuticals containing these compounds and their useIsoxazole-4-carboxamide derivatives and hydroxyalkylidene-cyanoacetamide derivatives are suitable for the treatment of carcinoses. These compounds can be prepared by known processes. Some of the compounds are novel and are additionally suitable for the treatment of rheumatic disorders.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: July 2, 1996
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Robert R. Bartlett, Friedrich-Johannes Kammerer
  • Patent number: 5519042
    Abstract: A method of preventing or treating hyperproliferative vascular disease in a mammal consists of administering to a mammal an effective amount of carboxyamide compounds.
    Type: Grant
    Filed: January 13, 1994
    Date of Patent: May 21, 1996
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Randall E. Morris, Robert R. Bartlett
  • Patent number: 5504084
    Abstract: Pharmaceutical for the treatment of skin disordersA compound of the formula I or II ##STR1## and physiologically tolerable salts of compound of the formula II are suitable for treatment of psoriasis.
    Type: Grant
    Filed: March 23, 1994
    Date of Patent: April 2, 1996
    Assignees: Hoechst Aktiengesellschaft, Hoechst-Roussel Pharmaceuticals, Inc.
    Inventors: Robert R. Bartlett, Klaus U. Weithmann, Ellen S. Kurtz
  • Patent number: 5494911
    Abstract: Isoxazole-4-carboxamide derivatives and hydroxyalkylidene-cyanoacetamide derivatives are suitable for the treatment of carcinoses. These compounds can be prepared by known processes. Some of the compounds are novel and are additionally suitable for the treatment of rheumatic disorders.
    Type: Grant
    Filed: November 16, 1992
    Date of Patent: February 27, 1996
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Robert R. Bartlett, Friedrich-Johannes Kammerer
  • Patent number: 5459163
    Abstract: A pharmaceutical composition for use in the treatment of chronic Graft-versus-host diseases as well as autoimmune diseases, in particular for the treatment of systemic lupus erythematosus containing as an active ingredient at least one compound of the formulae 1 or 2 ##STR1## the latter being present per se or in the form of a physiologically tolerable salt.The invention also relates to a dosage unit form of said pharmaceutical composition and a method of treating chronic Graft-versus host diseases as well as autoimmune diseases, in particular systemic lupus erythematosus.
    Type: Grant
    Filed: September 13, 1993
    Date of Patent: October 17, 1995
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Robert R. Bartlett, Rudolph Schleyerbach, Friedrich-Johannes Kammerer
  • Patent number: 5371099
    Abstract: A compound selected from the group consisting of a compound of the formula ##STR1## wherein R.sub.1 is hydrogen or alkyl of 1 to 3 carbon atoms, R.sub.2 is alkyl of 1 to 3 carbon atoms or cycloalkyl of 3 to 6 carbon atoms, R.sub.3 is --COOR.sub.6, R.sub.6 is hydrogen or alkyl of 1 to 3 carbon atoms, R.sub.4 is selected from the group consisting of halogen, --CN, --NO.sub.2, --SCH.sub.3, alkylcarbonyl of 1 to 6 alkyl carbon atoms, --CX.sub.3, --WCX.sub.3, --(CH.sub.2).sub.n --CX.sub.3, --(CX.sub.2).sub.n --CX.sub.3, --W--(CX.sub.2).sub.n --CX.sub.3, and --W--(CH.sub.2).sub.n --CX.sub.3, X is halogen, W is --O-- or --S--, n is 1, 2 or 3, R.sub.5 is selected from the group consisting of hydrogen, alkyl of 1 to 3 carbon atoms and cycloalkyl of 3 to 6 carbon atoms and their salts with non-toxic pharmaceutically acceptable bases with the proviso that if R.sub.2 is alkyl of 1 to 3 carbon atoms, R.sub.1 is hydrogen and R.sub.4 is selected from the group consisting of halogen, --CX.sub.3, --(CH.sub.2).sub.n --CX.sub.
    Type: Grant
    Filed: April 28, 1993
    Date of Patent: December 6, 1994
    Assignee: Roussel-Uclaf
    Inventors: Robert R. Bartlett, Matharu S. Singh, Elizabeth A. Kuo, Rudolf Schleyerbach, Robert Westwood
  • Patent number: 5308865
    Abstract: A compound selected from the group consisting of a compound of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of ##STR2## R.sub.13, R.sub.14 and R.sub.15 are individually selected from the group consisting of hydrogen, halogen and alkyl of 1 to 3 carbon atoms, n is an integer from 1 to 3, R.sub.2 is hydrogen or alkyl of 1 to 3 carbon atoms, R.sub.3, R.sub.4 R.sub.5, R.sub.6 and R.sub.7 are individually selected from the group consisting of hydrogen, halogen, --NO.sub.2, --CN, alkyl, alkylthio and alkoxy of 1 to 6 carbon atoms, alkylcarbonyl of 2 to 6 carbon atoms, cycloalkyl of 3 to 6 carbon atoms, ##STR3## m is 0, 1, 2 or 3, n is 1, 2 or 3; Hal, Hal.sub.1, Hal.sub.2 and Hal.sub.3 are individually halogen and ##STR4## R.sub.8, R.sub.9, R.sub.10, R.sub.11 and R.sub.12 are individually any of the groups defined above for R.sub.3, R.sub.4, R.sub.5, R.sub.6 and R.sub.7 or R.sub.4 and R.sub.5 together form --O--CH.sub.
    Type: Grant
    Filed: January 6, 1993
    Date of Patent: May 3, 1994
    Assignee: Roussel Uclaf
    Inventors: Robert R. Bartlett, David P. Kay, Elizabeth A. Kuo, Rudolf Schleyerbach, Wilfried Schwab
  • Patent number: 5268382
    Abstract: A pharmaceutical composition for use in the treatment of chronic Graft-versus-host diseases as well as autoimmune diseases, in particular for the treatment of systemic lupus erythematosus containing as an active ingredient at least one compound of the formulae 1 or 2 ##STR1## the latter being present per se or in the form of a physiologically tolerable salt.The invention also relates to a dosage unit form of said pharmaceutical composition and a method of treating chronic Graft-versus-host diseases as well as autoimmune diseases, in particular systemic lupus erythematosus.
    Type: Grant
    Filed: April 17, 1992
    Date of Patent: December 7, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Robert R. Bartlett, Rudolf Schleyerbach, Friedrich-Johannes Kammerer
  • Patent number: 5006515
    Abstract: Pharmaceuticals containing or composed of at least one compound of the formula I and/or one of its physiologically tolerated salts where appropriate, where the compounds of the formula I can, where appropriate, be in the form of pure stereoisomers or mixtures thereof; formula I is: ##STR1## in which R.sup.1 =organic radical or halogen,A=C,C single or C,C double bond,n=0, 1 or 2, and ##STR2## R.sup.2 and R.sup.3 =H or optionally substituted aliphatic radical. The pharmaceuticals are suitable for the prophylaxis and/or treatment of diseases of the immune system, especially of tumors, infections and/or autoimmune diseases of the human or animal body and for use as adjuvants for vaccines.Some of the compounds of the formula I are new; the compounds can be prepared by special processes.
    Type: Grant
    Filed: October 26, 1988
    Date of Patent: April 9, 1991
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Wilfried Schwab, Robert R. Bartlett, Ulrich Gebert, Hans U. Schorlemmer, Gerhard Dickneite, Hans H. Sedlacek
  • Patent number: 4965276
    Abstract: A pharmaceutical composition for use in the treatment of chronic Graft-versus-host diseases as well as autoimmune diseases, in particular for the treatment of systemic lupus erythematosus containing as an active ingredient at least one compound of the formulae 1 or 2 ##STR1## the latter being present per se or in the form of a physiologically tolerable salt.The invention also relates to a dosage unit form of said pharmaceutical composition and a method of treating chronic Graft-versus host diseases as well as autoimmune diseases, in particular systemic lupus erythematosus.
    Type: Grant
    Filed: September 25, 1986
    Date of Patent: October 23, 1990
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Robert R. Bartlett, Rudolf Schleyerbach, Friedrich-Johannes Kammerer
  • Patent number: 4940790
    Abstract: Novel 5-(3-alkyl-5-tert.butyl-4-hydroxyphenyl)-2-amino-6H-1,3,4-thiadiazines of the general formula I ##STR1## in which R.sup.1 =C.sub.1 -C.sub.4 -alkyl,R.sup.2 =H or C.sub.1 -C.sub.3 -alkylR.sup.3 and R.sup.4 =independently of one another, optionally substituted and optionally O- or S-interrupted alkyl, alkenyl or alkynyl groups, it being possible for one of the two radicals to also be H,or R.sup.3 +R.sup.4 together with the nitrogen atom to which they are bound, may denote an optionally substituted 4- to 7-membered ring which optionally contains a further heteroatom (O, S or N),and the physiologically acceptable acid-addition salts thereof. The compounds are primarily suitable for prevention and treatment of inflammatory--in particular inflammatory rheumatic--disorders and/or pain.
    Type: Grant
    Filed: January 28, 1988
    Date of Patent: July 10, 1990
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Werner Thorwart, Ulrich Gebert, Rudolf Schleyerbach, Robert R. Bartlett
  • Patent number: 4908364
    Abstract: Novel substituted 3-phenyl-7H-thiazolo[3,2-b][1,2,4]-triazin-7-ones of the formula I are disclosed ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 have the meaning recited in the specification. The compounds are suitable for prevention and treatment of inflammatory disorders.
    Type: Grant
    Filed: January 28, 1988
    Date of Patent: March 13, 1990
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Werner Thorwart, Ulrich Gebert, Rudolf Schleyerbach, Robert R. Bartlett
  • Patent number: 4891374
    Abstract: Novel imidazo- and triazolothiadiazines of the general formula I ##STR1## in which R.sup.1 =C.sub.1 -C.sub.4 -alkyl,R.sup.2 =H or C.sub.1 -C.sub.3 -alkyland the structural element --A--B--=--CH.sub.2 --CH.sub.2 --, --CH CH--, --CH.dbd.N--, --CH.sub.2 --CO-- or --CO--CH.sub.2 --,and the physiologically aceptable acid-addition salts thereof, are prepared by reacting 2-halo-1-phenylalkanones of the formula II ##STR2## (meaning of R.sup.1 and R.sup.2 as in formula I, X=halogen) with compounds of the formula III ##STR3## (meaning of --A--B-- as in formula I) and, if appropriate, converting the compounds of the formula I formed into the physiologically acceptable acid-addition salts thereof by means of suitable acids.The compounds of the formula I and the physiologically acceptable acid-addition salts thereof are principally suitable for the prevention and treatment of inflammatory--in particular inflammatory rheumatic--disorders.
    Type: Grant
    Filed: January 28, 1988
    Date of Patent: January 2, 1990
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Werner Thorwart, Ulrich Gebert, Rudolf Schleyerbach, Robert R. Bartlett
  • Patent number: 4829061
    Abstract: 1-(4-Hydroxy-3,5-di-tert.-butylbenzoyl)homopiperazine and various derivatives thereof substituted on the nitrogen are prepared starting from 4-hydroxy-3,5-di-tert.-butylbenzoic acid or its derivatives and homopiperazine or appropriate derivatives thereof.The compounds and their physiologically tolerated acid addition salts are suitable for the treatment of inflammatory and painful, in particular inflammatory rheumatic, disorders.
    Type: Grant
    Filed: January 28, 1988
    Date of Patent: May 9, 1989
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Erhard Wolf, Erhard Rossmanith, Robert R. Bartlett, Rudolf Schleyerbach