Patents by Inventor Bernhard Pelster

Bernhard Pelster 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: 4861878
    Abstract: New potent lipoxygenase inhibitors which are 1H-pyrido-[2,3-b][1,4] thiazines are disclosed. The new thiazines are of the formula ##STR1## in which R.sup.1 denotes hydrogen, halogen, optionally substituted alkyl or alkoxy or the group ##STR2## in which R.sup.5 and R.sup.6 are identical or different and denote hydrogen, optionally substituted alkyl or aryl, or can be linked to form a 5- or 6-membered heterocyclic ring,R.sup.2 and R.sup.3 are identical or different and denote hydrogen or optionally substituted alkyl or alkoxy andR.sup.4 denotes hydroxyl, the group ##STR3## in which R.sup.5 and R.sup.6 have the abovementioned meaning, or, in the case where R.sup.3 denotes hydrogen or optionally substituted alkoxy, also denotes optionally substituted alkoxy.
    Type: Grant
    Filed: November 6, 1986
    Date of Patent: August 29, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gerd Fengler, Alexander Klausener, Hans-Josef Buysch, Mithat Mardin, Bernhard Pelster
  • Patent number: 4784997
    Abstract: 1-H-pyrido-[3,2-b][1,4]-thiazines of the formula ##STR1## are prepared by the reaction of 2-halogenocarbonyl compounds an 2-amino-3-pyridinethiols. These compounds are useful as medicaments especially as inhibitors of lipoxygenase.
    Type: Grant
    Filed: December 16, 1986
    Date of Patent: November 15, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Alexander Klausener, Gerd Fengler, Hans-Josef Buysch, Bernhard Pelster
  • Patent number: 4771062
    Abstract: A diaryl sulphide derivative of the formula ##STR1## in which R.sup.1 represents a thiazolamino radical of the formulae ##STR2## wherein R.sup.5 represents hydrogen, alkyl, aralkyl or acyl,R.sup.6 and R.sup.6 ' are identical or different and represent hydrogen, alkyl, aralkyl or aryl,R.sup.7 represents alkyl, cycloalkyl, aralkyl, acyl or aryl andn represents the number 1 or 2,R.sup.2 and R.sup.3 are identical or different and represent hydrogen, alkyl, alkenyl, cycloalkyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy, halogenoalkylthio, aryl, aralkyl, aryloxy, aralkoxy, aralkylthio, acyl, carboxyl, alkoxycarbonyl, carboxyalkyl, alkoxycarbonylalkyl, nitro, cyano or halogen, or represent a group of the formula ##STR3## wherein R.sup.8 and R.sup.9 are identical or different and represent hydrogen, alkyl, aryl, aralkyl, acyl, trifluoroacetyl, alkylsulphonyl, arylsulphonyl, trifluoromethylphenylsulphonyl or tolylsulphonyl andR.sup.4 has one of the abovementioned meanings or R.sup.
    Type: Grant
    Filed: February 20, 1987
    Date of Patent: September 13, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Siegfried Raddatz, Hans Plumpe, Romanis Fruchtmann, Christian Kohlsdorfer, Bernhard Pelster
  • Patent number: 4710491
    Abstract: A method of combating rheumatic diseases which comprises administering to a patient afflicted therewith an amount effective to combat such disease of a compound of the formula ##STR1## in which Z is a glycosyl radical bonded via the anomeric carbon atom,R.sub.1 is hydrogen or an optionally substituted hydrocarbon radical with up to 30 C atoms, which hydrocarbon radical is optionally interrupted by O, N or S, andR.sub.2 is hydrogen or an alkyl or aralkyl radical with up to 30 C atoms, which is optionally interrupted by O, N or S or substituted by an oxygen-containing group or halogen,with the proviso that COR.sub.1 is not an acyl group with 1-5 C atoms if R.sub.2 is alkyl with 10-20 C atoms.
    Type: Grant
    Filed: December 14, 1984
    Date of Patent: December 1, 1987
    Assignee: Troponwerke GmbH & Co., KG
    Inventors: Oswald Lockhoff, Peter Stadler, Hans-Georg Opitz, Harald Horstmann, Bodo Junge, Bernhard Pelster
  • Patent number: 4698344
    Abstract: The invention relates to 1-heteroaryl-4-aryl-pyrazolin-5-ones, a preparation process and the use in combating diseases, in particular for use as lipoxygenase inhibitors.
    Type: Grant
    Filed: November 21, 1985
    Date of Patent: October 6, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Sasse, Michael Hammond, Friedel Seuter, Elisabeth Perzborn, Bernhard Pelster, Graham Sturton, Trevor Abram
  • Patent number: 4628062
    Abstract: New compounds of the formula ##STR1## in which R.sub.1 is an allylamino, acetylamino or propionylamino radical,R.sub.2 is hydrogen or a 2-methoxyethoxy or ethoxy radical,R.sub.3 is hydrogen or a sulphamoyl radical, andR.sub.4 is hydrogen,and of the formula ##STR2## in which R.sub.1 is a halogen atom or a free or substituted hydroxyl, sulphhydryl or amino group,R.sub.2 is a hydrogen atom, an alkyl radical, a halogen atom, or a free or substituted hydroxyl, sulphhydryl or amino group,R.sub.3 and R.sub.4 each independently is hydrogen, alkyl, hydroxyl, alkoxy, sulphonamido or halogen, with the proviso that R.sub.2, R.sub.3 and R.sub.4 are hydrogen when R.sub.1 is hydroxyl,exhibit anti-inflammatory activity.
    Type: Grant
    Filed: December 17, 1984
    Date of Patent: December 9, 1986
    Assignee: Troponwerke GmbH & Co., KG
    Inventors: Wolfgang Opitz, Bernhard Pelster, Romanis Fruchtmann, Udo Krupka, Walter Gauss, Hartmut Kiehne, Hermann Oediger
  • Patent number: 4614741
    Abstract: The invention relates to depot formulations containing, as an active antiinflammatory and/or analgesic agent a compound of Formula I, infra together with a suspension medium. Typical suspension agents are glycerides and/or esters of mono- or poly-hydric alcohols as well as selected ethers, alcohols and amides.
    Type: Grant
    Filed: June 20, 1984
    Date of Patent: September 30, 1986
    Assignee: Troponwerke GmbH & Co., KG
    Inventors: Hans-Dieter Dell, Bernhard Pelster, Reinhold Kraus, Detlef Schierstedt
  • Patent number: 4594357
    Abstract: The invention relates to depot formulations containing, as an active antiinflammatory and/or analgesic agent a compound of Formula I, infra together with a suspension medium. Typical suspension agents are glycerides and/or esters of mono- or poly-hydric alcohols as well as selected ethers, alcohols and amides.
    Type: Grant
    Filed: June 20, 1984
    Date of Patent: June 10, 1986
    Assignee: Troponwerke GmbH & Co.
    Inventors: Hans-Dieter Dell, Bernhard Pelster, Reinhold Kraus, Detlef Schierstedt
  • Patent number: 4539402
    Abstract: The invention relates to quinazolinone derivatives and of formula (I) as defined herein and processes for the production of said derivatives. Also included in the invention are pharmaceutical compositions containing a compound of said formula (I) as active ingredient and the use of said compounds and compositions as anti-inflammatory agents.
    Type: Grant
    Filed: May 9, 1983
    Date of Patent: September 3, 1985
    Assignee: Troponwerke GmbH & Co.
    Inventors: Wolfgang Opitz, Haireddin Jacobi, Bernhard Pelster