Patents by Inventor Helmut Wachtel

Helmut Wachtel 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: 6191132
    Abstract: The new use of antagonists of the AMPA receptor complex and its physiologically compatible salts as pharmaceutical agents for prevention and treatment of Parkinson's disease as well as pharmaceutical agents, which contain these compounds, is described.
    Type: Grant
    Filed: November 4, 1993
    Date of Patent: February 20, 2001
    Assignee: Schering Aktiengesellschaft
    Inventors: Thomas Klockgether, Peter-Andreas Löschmann, David Norman Stephens, Lechoslaw Turski, Helmut Wachtel
  • Patent number: 6117895
    Abstract: Compounds of formula I ##STR1## are useful for treating TNF-mediated diseases.
    Type: Grant
    Filed: July 18, 1996
    Date of Patent: September 12, 2000
    Assignee: Schering Aktiengesellschaft
    Inventors: Helmut Wachtel, Hermann Graf, Herbert Schneider, Daryl Faulds, H. Daniel Perez, Harald Dinter
  • Patent number: 6060501
    Abstract: A pharmaceutically composition for treating MS comprising an effective amount of a combination of a PDE IV inhibitor and an anti-inflammatory and immunomodulatory drug in a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: September 24, 1997
    Date of Patent: May 9, 2000
    Assignee: Schering Aktiengesellschaft
    Inventors: Helmut Wachtel, Peter-Andreas Loschmann, Hermann Graf, H. Daniel Perez
  • Patent number: 6025376
    Abstract: This invention relates to (R)-(-)-methylphenyloxazolidinone derivatives, a process for their production and their use as pharmaceutical agents.
    Type: Grant
    Filed: August 2, 1996
    Date of Patent: February 15, 2000
    Assignee: Schering Aktiengesellschaft
    Inventors: Henry Laurent, Eckhard Ottow, Gerald Kirsch, Helmut Wachtel, Herbert Schneider, Daryl Faulds, Harald Dinter
  • Patent number: 6011060
    Abstract: Described are racemic and enantiomerically pure chiral phenyldihydrofuranones, their preparation and their use in drugs (selective inhibition of the cAMP-specific phosphodiesterase IV).
    Type: Grant
    Filed: December 11, 1998
    Date of Patent: January 4, 2000
    Assignee: Schering Aktiengesellschaft
    Inventors: Henry Laurent, Peter Esperling, Kurt Hamp, Herbert Schneider, Helmut Wachtel
  • Patent number: 5847010
    Abstract: The present invention is a method of preventing or ameliorating the episodic recurrence of MS, comprising administering an effective amount of selective phosphodiesterase inhibitors of Type IV, e.g., Rolipram, e.g., wherein the severity of the episodic recurrences is ameliorated or the time period between episodes is lengthened.
    Type: Grant
    Filed: September 22, 1997
    Date of Patent: December 8, 1998
    Assignee: Berlex Laboratories, Inc.
    Inventors: Joel Hedgpeth, Helmut Wachtel
  • Patent number: 5672622
    Abstract: The present invention is a method of preventing or ameliorating the episodic recurrence of MS, comprising administering an effective amount of selective phosphodiesterase inhibitors of Type IV, e.g., Rolipram, e.g., wherein the severity of the episodic recurrences is ameliorated or the time period between episodes is lengthened.
    Type: Grant
    Filed: October 21, 1994
    Date of Patent: September 30, 1997
    Assignee: Berlex Laboratories, Inc.
    Inventors: Joseph Hedgepeth, Helmut Wachtel
  • Patent number: 5547958
    Abstract: 8.alpha.-acylamino ergolines are useful dopamine agonists.
    Type: Grant
    Filed: December 27, 1994
    Date of Patent: August 20, 1996
    Assignee: Schering Aktiengesellschaft
    Inventors: Gerhard Sauer, Thomas Brumby, Helmut Wachtel, Jonathan Turner, Peter-Andreas Loschmann
  • Patent number: 5411966
    Abstract: Compounds of formula I and their acid addition salts ##STR1## in which R.sup.2 R.sup.6 R.sup.13 and X have the meanings defined herein are described as well as a process and intermediates for their production, and pharmaceutical agents containing these compounds.
    Type: Grant
    Filed: September 27, 1993
    Date of Patent: May 2, 1995
    Assignee: Schering Aktiengesellschaft
    Inventors: Gerhard Sauer, Bernd Schroter, Thomas Brumby, Helmut Wachtel, Peter A. Loschmann
  • Patent number: 5401748
    Abstract: 2,14-Disubstituted ergolines of formula I ##STR1## in which R, R.sup.2, R.sup.6, R.sup.14 and X have the meaning named in the application, as well as their production and use in pharmaceutical agents, are described.
    Type: Grant
    Filed: March 12, 1993
    Date of Patent: March 28, 1995
    Assignee: Schering Aktiengesellschaft
    Inventors: Gerhard Sauer, Helmut Wachtel, Peter A. Loschmann
  • Patent number: 5242678
    Abstract: Compounds of general Formula I labeled with 7.sup.5 Br, .sup.76 Br, .sup.77 Br, .sup.80m Br or .sup.80 Br isotopes ##STR1## wherein R.sup.6 is a C.sub.1-6 hydrocarbon residue and C.sub.2 C.sub.3, C.sub.9 C.sub.10 is a single or a double bond, as well as their acid addition salts, as diagnostic media to image dopamine.
    Type: Grant
    Filed: June 26, 1989
    Date of Patent: September 7, 1993
    Assignee: Schering Aktiengesellschaft
    Inventors: Bernard Maziere, Helmut Wachtel, Peter-Andreas Loeschmann, Rainer Dorow, Bernard Acksteiner, Dominique Comar, Christian Loch
  • Patent number: 5219862
    Abstract: Compounds of formula I ##STR1## in which R.sup.2 means optionally substituted C.sub.1-7 alkyl, C.sub.2-7 alkenyl, CH.sub.2 --O--C.sub.1-4 alkyl or CH.sub.2 --S--C.sub.1-4 alkylR.sup.6 means C.sub.2-6 alkyl, C.sub.3-6 alkenyl or C.sub.3-5 -cycloalkyl-C.sub.1-2 alkyl andR.sup.8 means CH.sub.2 --X, ##STR2## in which X stands for CN, OCH.sub.3, SCH.sub.3 or CONH.sub.2 and R.sup.1 stands for hydrogen, halogen, methyl or methoxy, and R.sup.3 and R.sup.4 each mean C.sub.1-4 alkyl or (CH.sub.2).sub.n --N(CH.sub.3).sub.2, in which n=1-4, and their acid addition salts, the process for their production, their use as pharmaceutical agents as well as intermediate compounds are described.
    Type: Grant
    Filed: December 21, 1990
    Date of Patent: June 15, 1993
    Assignee: Schering Aktiengesellschaft
    Inventors: Gerhard Sauer, Thomas Brumby, Helmut Wachtel, Jonathan Turner, Peter A. Loschmann
  • Patent number: 5212178
    Abstract: 8.alpha.-acylamino ergolines are useful dopamine agonists.
    Type: Grant
    Filed: May 14, 1990
    Date of Patent: May 18, 1993
    Assignee: Schering Aktiengesellschaft
    Inventors: Gerhard Sauer, Thomas Brumby, Helmut Wachtel, Jonathan Turner, Peter-Andreas Loschmann
  • Patent number: 5158957
    Abstract: 2-Substituted ergolines ##STR1## wherein C.sub.2 C.sub.3 and C.sub.9 C.sub.10 represent a single of double bond;X is oxygen or sulfur;R.sup.2 is C.sub.1-10 alkyl, optionally halogen-substituted C.sub.2-10 alkenyl, CH.sub.2 YR.sup.3, CR.sup.12 (OR.sup.4)R.sup.5, CH.sub.2 --CHR.sup.9 --COR.sup.10 or COR.sup.12,whereinY is oxygen or sulfur,R.sup.3 is hydrogen, C.sub.1-4 alkyl, phenyl, C.sub.2-5 acyl or phenyl C.sub.1-4 alkyl,R.sup.4 is hydrogen or C.sub.2-5 acyl,R.sup.5 is C.sub.1-9 alkyl,R.sup.9 is COCH.sub.3 or COO-C.sub.1-4 alkyl,R.sup.10 is C.sub.1-4 alkyl or O-C.sub.1-4 alkyl,R.sup.12 is hydrogen or C.sub.1-9 alkyl; andR.sup.6 is C.sub.2-10 alkyl, C.sub.3-10 alkenyl or C.sub.4-10 cycloalkyl-C.sub.1-3 -alkyl,and acid addition salts, isomers and isomeric mixtures thereof are dopaminergic agonists and useful for treating Parkinson's Disease.
    Type: Grant
    Filed: June 26, 1991
    Date of Patent: October 27, 1992
    Assignee: Schering Aktiengesellschaft
    Inventors: Thomas Brumby, Gerhard Sauer, Josef Heindl, Jonathan Turner, Gerhard Kuhne, Helmut Wachtel
  • Patent number: 5064854
    Abstract: Compounds of general Formula I are disclosed ##STR1## wherein R.sup.1 is C.sub.1-4 -alkyl,R.sup.3 is hydrogen, C.sub.1-4 -alkyl, acyl, aryl,R.sup.5 is hydrogen, C.sub.1-4 -alkyl,X is oxygen, CH.sub.2 or NR.sup.4 with R.sup.4 =hydrogen, C.sub.1-4 -alkyl andY is an aromatic or nonaromatic ring system which can optionally contain one to two hetero atoms and can be substituted, and the stereoisomers and their mixtures,as well as their preparation and use as medicinal agents.
    Type: Grant
    Filed: July 7, 1989
    Date of Patent: November 12, 1991
    Assignee: Schering Aktiengesellschaft
    Inventors: Andreas Huth, Ralph Schmiechen, Helmut Wachtel, Herbert H. Schneider
  • Patent number: 5059612
    Abstract: The invention relates to a method of treating dementia, such as cerebro-vascular dementia, for example, multiple infarct dementia and amyloid angiopathic dementia, cerebro-parenchymatous dementia, such as Alzheimer's dementia and Pick's disease, and dementia caused by brain tumor, hydrocephalus, hepatic meningitis, cerebral trauma, or cerebral function disorders, comprising administering rolipram.
    Type: Grant
    Filed: September 7, 1990
    Date of Patent: October 22, 1991
    Assignee: Schering Aktiengesellschaft
    Inventors: Taiichiro Imanishi, Yasuyuki Ichimaru, Aiko Sawa, Fukio Konno, Helmut Wachtel, Showa Ueki, Michihiro Fujiwara, Tsuneyuki Yamamoto
  • Patent number: 5037832
    Abstract: 2-Substituted ergolines ##STR1## wherein C.sub.2 C.sub.3 and C.sub.9 C.sub.10 represent a single or double bond;X is oxygen or sulfur;R.sup.2 is C.sub.1-10 alkyl, optionally halogen-substituted C.sub.2-10 alkenyl, CH.sub.2 YR.sup.3, CR.sup.12 (OR.sup.4)R.sup.5, CH.sub.2 -CHR.sup.9 -COR.sup.10 or COR.sup.12, whereinY is oxygen or sulfur,R.sup.3 is hydrogen, C.sub.1-4 alkyl, phenyl, C.sub.2-5 acyl or phenyl C.sub.1-4 alkyl,R.sup.4 is hydrogen or C.sub.2-5 acyl,R.sup.5 is C.sub.1-9 alkyl,R.sup.9 is COCH.sub.3 or COO-C.sub.1-4 alkyl,R.sup.10 is C.sub.1-4 alkyl or O-C.sub.1-4 alkyl,R.sup.12 is hydrogen or C.sub.1-9 alkyl; andR.sup.6 is C.sub.2-10 alkyl, C.sub.3-10 alkenyl or C.sub.4-10 cycloalkyl-C.sub.1-3 -alkyl,and acid addition salts, isomers and isomeric mixtures thereof are dopaminergic agonists and useful for treating Parkinson's Disease.
    Type: Grant
    Filed: July 17, 1989
    Date of Patent: August 6, 1991
    Assignee: Schering Aktiengesellschaft
    Inventors: Thomas Brumby, Gerhard Sauer, Josef Heindl, Jonathan Turner, Gerhard Kuhne, Helmut Wachtel
  • Patent number: 4970200
    Abstract: The enzyme cofactor nicotinamide adenine dinucleotide or a salt thereof is useful for the treatment of Parkinson's disease.
    Type: Grant
    Filed: March 1, 1989
    Date of Patent: November 13, 1990
    Assignee: Schering Aktiengesellschaft
    Inventors: Walther Birkmayer, Jorg Birkmayer, Reinhard Horowski, Helmut Wachtel, Peter-Andreas Loschmann
  • Patent number: 4925854
    Abstract: Benzimidazole derivatives of general Formula I ##STR1## wherein R.sup.1 and R.sup.2, being identical or different, each mean hydrogen or an optionally substituted hydrocarbon residue andX is oxygen or sulfur,as well as the acid addition salts thereof, are useful, e.g., as dopaminergic agents.
    Type: Grant
    Filed: August 25, 1988
    Date of Patent: May 15, 1990
    Assignee: Schering Aktiengesellschaft
    Inventors: Klaus Schollkopf, Helmut Wachtel
  • Patent number: 4874768
    Abstract: The disclosure relates to 1,2-substituted ergoline derivatives of general Formula I ##STR1## wherein X is an oxygen or sulfur atom,R.sup.1 is a lower alkyl group,R.sup.2 is halogen, acyl, a saturated or unsaturated lower alkyl group which can optionally be substituted by OR.sup.4 wherein R.sup.4 is hydrogen, lower alkyl, tetrahydropyranyl or cycloalkyl, or by an optionally substituted aryl residue, an S-R.sup.5 -group wherein R.sup.5 means a lower alkyl group which can optionally be substituted by aryl or an optionally substituted aryl residue, a ##STR2## wherein n=2 o4 3, or a --CHO-group, R.sup.3 is lower alkyl or acyl, andC.sub.9 -C.sub.10 is a CC-single or a CC-double bond, and the hydrogen atom in the 10-position is in the .alpha.-location if C.sub.9 -C.sub.10 is a CC-single bond, as well as the acid addition salts thereof. The compounds exhibit valuable pharmacological properties.
    Type: Grant
    Filed: October 6, 1986
    Date of Patent: October 17, 1989
    Assignee: Schering Aktiengesellschaft
    Inventors: Andreas Huth, Gerhard Sauer, Helmut Wachtel