Patents by Inventor Klaus U. Weithmann

Klaus U. Weithmann 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: 5627173
    Abstract: Phosphonoacetic acid derivatives and their use for treating degenerative joint disorders Compounds of the formula I ##STR1## are suitable for producing pharmaceuticals for the treatment and prophylaxis of degenerative joint disorders, of rheumatic disorders accompanied by cartilage breakdown, such as rheumatoid arthritis, joint trauma and chondrolysis as a consequence of prolonged immobilization of the joint, of inflammations, septic shock, disorders with impaired leukocyte adhesion, disorders caused by an elevated concentration of tumor necrosis factor alpha, such as cachexia or Crohn's disease.
    Type: Grant
    Filed: January 23, 1996
    Date of Patent: May 6, 1997
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Rolf Graeve, Werner Thorwart, Ruth Raiss, Klaus U. Weithmann, Stefan M ullner
  • 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: 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: 5137897
    Abstract: Novel substituted thiazoles of the formula I ##STR1## in which R.sup.1 is a saturated or unsaturated, straight-chain or branched C.sub.1 -C.sub.5 -alkyl group,R.sup.2 is a hydrogen atom or an alkyl radical having 1 to 3 carbon atoms,A is an intermediate chain of the formula--(CH.sub.2).sub.n --Y--CR.sup.3 R.sup.4 --; --CH.dbd.CR.sup.3 --(CH.sub.2).sub.m -- or --CH.dbd.N--O--(CH.sub.2).sub.n --whereY is a single bond, an oxygen or sulfur atom or a carbonyl group,R.sup.3 and R.sup.4 are identical or different and are a hydrogen atom or an alkyl radical having up to two carbon atoms, m is a number from 0 to 3 and n is a number from 1 to 4, andZ is a tetrazole or CN group, or a radical of the formula ##STR2## X is a hydroxyl group or a radical of the formula R.sup.5 O-- or R.sup.6 R.sup.7 N--, where R.sup.5 is a straight-chain or branched C.sub.1 -C.sub.4 -alkyl radical which is optionally substituted by hydroxyl, C.sub.1 -C.sub.3 -alkoxy or C.sub.1 -C.sub.3 -alkylamino,R.sup.6 and R.sup.
    Type: Grant
    Filed: December 13, 1990
    Date of Patent: August 11, 1992
    Assignee: Hoechst Aktiengesllschaft
    Inventors: Werner Thorwart, Rudolf Schleyerbach, Robert Bartlett, Klaus U. Weithmann
  • Patent number: 5043328
    Abstract: The present invention relates to formulations containing unsaturated fatty acids for the synthesis of prostaglandins and hydroxy-fatty acids in biological systems and to the use of such formulations for the preparation of medicaments which are suitable for curing prostaglandin deficiencies in humans or animal, for example healing or preventing diseases of the gastro-intestinal tract.
    Type: Grant
    Filed: February 1, 1989
    Date of Patent: August 27, 1991
    Assignee: Hoechst Aktiengesellschaft
    Inventor: Klaus U. Weithmann
  • Patent number: 4983514
    Abstract: The antiaggregatory effect of phosphodiesterase inhibitors (A) and/or of cyclooxygenase inhibitors (B) is detected outside the human or animal body bysampling blood,addition of (A) and/or (B) to the blood sample--if not already present therein, in unchanged or in metabolized form, as a consequence of previous administration,where appropriate removal of the erythrocytes and leukocytes andinitiation--preferably by addition of an aggregation inducer--and measurement of the platelet aggregation,the method comprises (A) also being added--if only (B) has been administered or added up till then--or (B) also being added--if only (A) has been administered or added up till then--and at least one prostaglandin (C) being added, before, or no later than at, the initiation of the platelet aggregation, so that the initiation and measurement of the platelet aggregation takes place in the presence of the ternary combination of (A), (B), each in the unchanged or in metabolized form, and (C).
    Type: Grant
    Filed: May 20, 1988
    Date of Patent: January 8, 1991
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Klaus U. Weithmann, Dirk Seiffge
  • Patent number: 4975432
    Abstract: A combination product containing (A) on the one hand a xanthine derivative of the formula ##STR1## in which one of the radicals R.sup.1 and R.sup.3 represents a straight-chain alkyl, .omega.-1)-oxoalkyl or (.omega.-1)-hydroxyalkyl group having 3 to 8 carbon atoms, and the two other radicals R.sup.2 and R.sup.3, or R.sup.1 and R.sup.2 represent straight-chain or branched alkyl groups having 1 to 8 carbon atoms in the position of R.sup.1 and R.sup.3 and 1 to 4 carbon atoms in the position of R.sup.
    Type: Grant
    Filed: August 7, 1989
    Date of Patent: December 4, 1990
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Klaus U. Weithmann, Dirk Seiffge
  • Patent number: 4904648
    Abstract: The present invention relates to a pharmaceutical combination product for the induction of labor or for preventing the development of pregnancy, containing(A) one or more antigestagen(s)(B) one or more long-chain polyunsaturated fatty acid(s) or preparations thereof and, if necessary,(C) prostaglandins,where suitable as antigestagens are all compounds which have a strong affinity for the gestagen receptor but at the same time do not themselves have any considerable intrinsic gestagenic activity.The products are preferably administered intravaginally or (extra)amnially. In this connection, it is possible for the antigestagens and the fatty acids according to the invention to be administered either simultaneously or separately, for example consecutively.
    Type: Grant
    Filed: February 16, 1989
    Date of Patent: February 27, 1990
    Assignee: Hoechst Aktiengesellschaft
    Inventor: Klaus U. Weithmann
  • Patent number: 4880791
    Abstract: A combination product containing (A) on the one hand a xanthine derivative of the formula ##STR1## in which one of the radicals R.sup.1 and R.sup.3 represents a straight-chain alkyl, (.omega.-1)-oxoalkyl or (.omega.-1)-hydroxyalkyl group having 3 to 8 carbon atoms, and the two other radicals R.sup.2 and R.sup.3, or R.sup.1 and R.sup.2 represent straight-chain or branched alkyl groups having 1 to 8 carbon atoms in the position of R.sup.1 and R.sup.3 and 1 to 4 carbon atoms in the position of R.sup.
    Type: Grant
    Filed: July 14, 1988
    Date of Patent: November 14, 1989
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Klaus U. Weithmann, Dirk Seiffge
  • Patent number: 4850489
    Abstract: Dispensing packs which contain chambers with at least two solid, not mechanically connected dosage units of various pharmaceuticals.
    Type: Grant
    Filed: December 22, 1988
    Date of Patent: July 25, 1989
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Klaus U. Weithmann, Dirk Seiffge
  • Patent number: 4694024
    Abstract: O-acetylsalicylic acid and a pyrimido-pyrimidine as combination products.
    Type: Grant
    Filed: July 19, 1985
    Date of Patent: September 15, 1987
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Klaus U. Weithmann, Dirk Seiffge
  • Patent number: 4333948
    Abstract: What are disclosed are: a substance, obtained from blood serum and having a molecular weight below 2000, which is suitable for stabilizing prostaglandins, especially those of the A, E, F, or I type; methods for preparing such a stabilizing substance from blood serum; pharmaceutical preparations containing a prostaglandin or prostaglandin derivative together with such a stabilizing substance; and methods for stabilizing a pharmaceutical preparation containing a prostaglandin or prostaglandin derivative.
    Type: Grant
    Filed: March 13, 1981
    Date of Patent: June 8, 1982
    Assignee: Hoechst Aktiengesellschaft
    Inventor: Klaus U. Weithmann