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).
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Patent number: 5679709Abstract: 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: GrantFiled: June 7, 1995Date of Patent: October 21, 1997Assignee: Hoechst AktiengesellschaftInventors: Robert R. Bartlett, Rudolf Schleyerbach, Friedrich-Johannes Kammerer
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Patent number: 5589514Abstract: 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: GrantFiled: May 19, 1995Date of Patent: December 31, 1996Assignee: Hoechst AktiengesellschaftInventors: Ramachandra G. Naik, Vilas N. Mumbaikar, Rangarajan Vasumathy, Aftab D. Lakdawala, Mandakini V. Shirole, Bansi Lal, Jurgen Blumbach, Klaus U. Weithmann, Robert R. Bartlett
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Patent number: 5556870Abstract: 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: GrantFiled: March 28, 1995Date of Patent: September 17, 1996Assignee: Hoechst AktiengesellschaftInventors: Klaus U. Weithmann, Robert R. Bartlett
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Patent number: 5554637Abstract: 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: GrantFiled: June 5, 1995Date of Patent: September 10, 1996Assignee: Hoechst AktiengesellschaftInventors: Klaus U. Weithmann, Robert R. Bartlett
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Patent number: 5547971Abstract: 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: GrantFiled: March 28, 1995Date of Patent: August 20, 1996Assignee: Hoechst AktiengesellschaftInventors: Klaus U. Weithmann, Robert R. Bartlett
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Patent number: 5547970Abstract: 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: GrantFiled: March 28, 1995Date of Patent: August 20, 1996Assignee: Hoechst AktiengesellschaftInventors: Klaus U. Weithmann, Robert R. Bartlett
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Patent number: 5532259Abstract: 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: GrantFiled: June 7, 1995Date of Patent: July 2, 1996Assignee: Hoechst AktiengesellschaftInventors: Robert R. Bartlett, Friedrich-Johannes Kammerer
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Patent number: 5519042Abstract: 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: GrantFiled: January 13, 1994Date of Patent: May 21, 1996Assignee: Hoechst AktiengesellschaftInventors: Randall E. Morris, Robert R. Bartlett
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Patent number: 5504084Abstract: 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: GrantFiled: March 23, 1994Date of Patent: April 2, 1996Assignees: Hoechst Aktiengesellschaft, Hoechst-Roussel Pharmaceuticals, Inc.Inventors: Robert R. Bartlett, Klaus U. Weithmann, Ellen S. Kurtz
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Patent number: 5494911Abstract: 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: GrantFiled: November 16, 1992Date of Patent: February 27, 1996Assignee: Hoechst AktiengesellschaftInventors: Robert R. Bartlett, Friedrich-Johannes Kammerer
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Patent number: 5459163Abstract: 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: GrantFiled: September 13, 1993Date of Patent: October 17, 1995Assignee: Hoechst AktiengesellschaftInventors: Robert R. Bartlett, Rudolph Schleyerbach, Friedrich-Johannes Kammerer
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Patent number: 5371099Abstract: 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: GrantFiled: April 28, 1993Date of Patent: December 6, 1994Assignee: Roussel-UclafInventors: Robert R. Bartlett, Matharu S. Singh, Elizabeth A. Kuo, Rudolf Schleyerbach, Robert Westwood
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Patent number: 5308865Abstract: 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: GrantFiled: January 6, 1993Date of Patent: May 3, 1994Assignee: Roussel UclafInventors: Robert R. Bartlett, David P. Kay, Elizabeth A. Kuo, Rudolf Schleyerbach, Wilfried Schwab
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Patent number: 5268382Abstract: 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: GrantFiled: April 17, 1992Date of Patent: December 7, 1993Assignee: Hoechst AktiengesellschaftInventors: Robert R. Bartlett, Rudolf Schleyerbach, Friedrich-Johannes Kammerer
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Patent number: 5006515Abstract: 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: GrantFiled: October 26, 1988Date of Patent: April 9, 1991Assignee: Hoechst AktiengesellschaftInventors: Wilfried Schwab, Robert R. Bartlett, Ulrich Gebert, Hans U. Schorlemmer, Gerhard Dickneite, Hans H. Sedlacek
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Patent number: 4965276Abstract: 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: GrantFiled: September 25, 1986Date of Patent: October 23, 1990Assignee: Hoechst AktiengesellschaftInventors: Robert R. Bartlett, Rudolf Schleyerbach, Friedrich-Johannes Kammerer
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Patent number: 4940790Abstract: 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: GrantFiled: January 28, 1988Date of Patent: July 10, 1990Assignee: Hoechst AktiengesellschaftInventors: Werner Thorwart, Ulrich Gebert, Rudolf Schleyerbach, Robert R. Bartlett
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Patent number: 4908364Abstract: 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: GrantFiled: January 28, 1988Date of Patent: March 13, 1990Assignee: Hoechst AktiengesellschaftInventors: Werner Thorwart, Ulrich Gebert, Rudolf Schleyerbach, Robert R. Bartlett
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Patent number: 4891374Abstract: 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: GrantFiled: January 28, 1988Date of Patent: January 2, 1990Assignee: Hoechst AktiengesellschaftInventors: Werner Thorwart, Ulrich Gebert, Rudolf Schleyerbach, Robert R. Bartlett
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Patent number: 4829061Abstract: 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: GrantFiled: January 28, 1988Date of Patent: May 9, 1989Assignee: Hoechst AktiengesellschaftInventors: Erhard Wolf, Erhard Rossmanith, Robert R. Bartlett, Rudolf Schleyerbach