Patents by Inventor Helmut Kasch

Helmut Kasch 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).

  • Publication number: 20080317729
    Abstract: This invention relates to ammonium salts and stable storable ammonium salts and ammonium salt/mineral salt clathrate compounds (inclusion compounds, clusters) having acid dibasic anionic acid residues such as bicarbonate, to methods for producing them and to pharmaco-medical and chemical synthetic applications for said compounds.
    Type: Application
    Filed: July 20, 2005
    Publication date: December 25, 2008
    Inventors: Helmut Kasch, Uwe Reuter, Ralf Oettmeier
  • Publication number: 20060089340
    Abstract: The invention relates to the production and use of novel 14?-alkyl-18-norsteroids, 8?,14?-dialkyl-18-norsteroids, spiro[cyclopentano-perhydronaphthalin]-3,1?-pentanes or hexanes in addition to 14?-fluoro-15?,17?-dihydroxy-steroids, by reacting 17-hydroxy-14,15-epoxi-steroids with water-free acids or Lewis acids and followed by derivatisation. The resulting compounds can be used as intermediate products for or as medicaments in human and veterinary medicine, whereby the emphasis is on improving inflammatory processes, hormone replacement therapy and the use thereof as enzyme inhibitors in the treatment of tumours.
    Type: Application
    Filed: July 27, 2005
    Publication date: April 27, 2006
    Inventors: Helmut Kasch, Beatrice Liedtke
  • Patent number: 6339079
    Abstract: A novel class of gonane type and D-homo-gonane type steroids having sulfatase-inhibiting and/or estrogenic activity is presented for application in the pharmaceutical industry. The number and location of sulfamoyloxy groups on the steroids provides for sulfatase inhibiting and estrogenic activities that independently vary over a wide range, allowing the customization of the pharmaceutical for specific purposes, including treatment and diagnosis of estrogen-dependent tumors.
    Type: Grant
    Filed: February 2, 2000
    Date of Patent: January 15, 2002
    Assignee: id pharma GmbH
    Inventors: Helmut Kasch, Winfried Schumann, Johannes Roemer, Joerg Steinbach
  • Patent number: 5739125
    Abstract: The invention relates to 11.beta.-aryl-gona-4,9-dienes of formula I ##STR1## wherein the variables are defined in the specification. The compounds are progesterone synthesis inhibitors and are suitable for inducing labor or an abortion, and for treating endometriosis, dysmenorrhea, and endocrine hormone-dependent tumors.
    Type: Grant
    Filed: February 21, 1995
    Date of Patent: April 14, 1998
    Assignee: Schering Aktiengesellschaft
    Inventors: Helmut Kasch, Gudrun Bertram, Kurt Ponsold, Gerd Schubert, Heidemarie Rohrig, Anatoli Kurischko, Bernd Menzenbach
  • Patent number: 5407928
    Abstract: This invention relates to 11.beta.-aryl-gona-4,9-dienes of the general formula I ##STR1## wherein the variables are defined in the specification. The compounds are progesterone antagonists and are suitable for inducing labor or an abortion.
    Type: Grant
    Filed: November 17, 1993
    Date of Patent: April 18, 1995
    Assignee: Schering Aktiengesellschaft
    Inventors: Helmut Kasch, Gudrun Bertram, Kurt Ponsold, Gerd Schubert, Heidemarie Rohrig, Anatoli Kurischko, Bernd Menzenbach
  • Patent number: 5166199
    Abstract: 11.sym.-Aryl-16.alpha.,17.alpha.-cyclohexano-estra-4,9-dienes of formula ##STR1## wherein R.sup.1 is H or a methyl group;R.sup.2 is --OCH.sub.3, --SCH.sub.3, --N(CH.sub.3).sub.2, --NHCH.sub.3, --CN, --CHO, --COCH.sub.3 or --CHOHCH.sub.3 ;X is --CHO, --COCH.sub.3, --CH.sub.2 OH, --CHOHCH.sub.3, --CH.sub.2 CHO--C.sub.1-7 -alkyl, --CH.sub.2 CHO--C.sub.1-7 -alkanoyl, --CH.sub.2 O--C.sub.1-7 -alkyl, --CH.sub.2 O--C.sub.1-7-alkanoyl, --COO--C.sub.1-7 -alkyl, CH.sub.3 CH.sub.2 --, --CH.sub.3, --COOH or --CN; andY is .dbd.O, .dbd.NOH, .dbd.NOCH.sub.3 or a cyclic thioketal having 2 or 3 ring atomsare provided, as well as pharmaceutical compositions containing said compounds, methods of use of said compounds, and processes for their production.
    Type: Grant
    Filed: August 15, 1990
    Date of Patent: November 24, 1992
    Assignee: Schering Aktiengesellschaft
    Inventors: Helmut Kasch, Gudrun Bertram, Anatoli Kurischko, Kurt Ponsold
  • Patent number: 5162312
    Abstract: 11.beta.-substituted-16.alpha., 17.alpha.-methylene-estra-4,9-dien-3-ones of formula I ##STR1## wherein R.sup.1 is a methyl or ethyl group;R.sup.2 is H; a C.sub.1-6 -alkyl, -alkoxymethyl, -alkanoyl or -alkoxcarbonyl group ; 2-methoxyethyl; 2-hydroxyethyl; 2-C.sub.1-4 -alkanoyloxyethyl; or a tri-C.sub.1-4 -alkylsilyl group;R.sup.3 is vinyl; a C.sub.1-6 -alkyl; or a phenyl radical para-substituted by --OCH.sub.3, --SCH.sub.3, --N(CH.sub.3), --CN, --CHO, CH.sub.3 CO--, CH.sub.3 CHOH-- or --CH.sub.2 OH;R.sup.6 is H or a C.sub.1-4 -alkyl group;X is O, a hydroxy- or methoxyimino group (.dbd.N.about.OH or --N.about.OCH.sub.3), or a cyclic thioketal with 2 or 3 carbon ring atomsare provided, as well as pharmaceutical compositions containing said compounds, methods of use of said compounds, and processes for their production.
    Type: Grant
    Filed: August 15, 1990
    Date of Patent: November 10, 1992
    Assignee: Schering Aktiengesellschaft
    Inventors: Helmut Kasch, Reimar Krieg, Anatoil Kurischko, Kurt Ponsold
  • Patent number: 4029648
    Abstract: Gona-1,3,5(10),9(11)-tetraenes having the formula ##STR1## IN WHICH FORMULA N IS 1 OR 2,R.sup.1 is a hydrogen, hydroxy, alkoxy, or alkanoyl substituent,R.sup.2 is a hydrogen, alkoxy, acetoxy, alkyl, akenyl, or alkynyl substituent, or a substituent having the formula --CH.sub.2 X in which X is a halogen, pseudohalogen, or O-alkyl substituent, orR.sup.1 or R.sup.2 together are oxygen, or a methyleneoxy or ethylenedioxy substituent,R.sup.3 is a hydroxy, alkoxy, alkanoyl, or alkoxymethyleneoxy substituent, andR.sup.4 is a methyl or ethyl substituent,Are made from gona-1,3,5(10)trienes by electrolysis of a solution thereof in water and/or a primary or secondary alcohol in the presence of an electroconductive compound.The gona-1,3,5(10),9(11)-tetraenes are intermediates for the production of steroidal pharmaceuticals for fertility control in human and animal therapeutics.
    Type: Grant
    Filed: January 15, 1976
    Date of Patent: June 14, 1977
    Assignee: VEB Jenapharm
    Inventors: Kurt Ponsold, Helmut Kasch