Patents by Inventor Hans D. Lehmann

Hans D. Lehmann 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: 5039709
    Abstract: The use of anipamil and its salts with physiologically tolerated acids for the treatment of chronic renal failure is described.
    Type: Grant
    Filed: November 30, 1989
    Date of Patent: August 13, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans D. Lehmann, Rolf Kretzschmar, Laurence Chan, Robert W. Schrier
  • Patent number: 4873246
    Abstract: Novel 6-(acylaminaryl)-3(2H)-pyridazinones of the formula ##STR1## where R.sup.1, R.sup.2, R.sup.3, R.sup.4, A and B have the meanings given in the description, and their preparation are described.The compounds have thrombocyte aggregation-inhibiting activity.
    Type: Grant
    Filed: October 8, 1986
    Date of Patent: October 10, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Philip A. Rossy, Marco Thyes, Albrecht Franke, Horst Koenig, Hans D. Lehmann, Josef Gries, Ludwig Friedrich, Dieter Lenke
  • Patent number: 4798811
    Abstract: A combination of verapamil, gallopamil or anipamil and acetylsalicylic acid in a weight ratio of from 10:1 to 2:1 being useful in the treatment of circulatory disorders.
    Type: Grant
    Filed: January 7, 1988
    Date of Patent: January 17, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans D. Lehmann, Rolf Kretzschmar, Klaus-Juergen Hahn
  • Patent number: 4772598
    Abstract: 2-aryl-3,4-diazabicyclo[4.n.0]-alk-2-en-5-ones of the formula ##STR1## where m, n, R, R.sup.1, R.sup.2 and R.sup.3 have the stated meanings, are used for the treatment of cardiac insufficiency.
    Type: Grant
    Filed: October 1, 1986
    Date of Patent: September 20, 1988
    Assignee: BASF Aktiengesellschaft
    Inventors: Karl-Heinz Geiss, Phillip A. Rossy, Marco Thyes, Horst Koenig, Hans D. Lehmann, Martin Traut, Josef Gries
  • Patent number: 4544562
    Abstract: 6-Aryl-4,5-dihydro-3(2H)-pyridazinones of the formula ##STR1## where R is hydrogen, R.sup.1 is hydrogen or C.sub.1 -C.sub.3 -alkyl, or R and R.sup.1 together are methylene, R.sup.2 and R.sup.3 are identical or different and are each hydrogen or C.sub.1 -C.sub.6 -alkyl, and A is hydroxyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.2 -C.sub.7 -acyloxy, a C.sub.2 -C.sub.7 -carbamic acid ester group, C.sub.1 -C.sub.6 -alkylsulfonyloxy, C.sub.1 -C.sub.6 -alkylmercapto, carboxyl, C.sub.2 -C.sub.7 -alkoxycarbonyl or nitrile, and their preparation are described. The substances are suitable for treating disorders.
    Type: Grant
    Filed: March 11, 1983
    Date of Patent: October 1, 1985
    Assignee: BASF Aktiengesellschaft
    Inventors: Phillip A. Rossy, Marco Thyes, Albrecht Franke, Horst Koenig, Josef Gries, Hans D. Lehmann, Dieter Lenke
  • Patent number: 4474785
    Abstract: 2-Aryl-3,4-diazabicyclo[4.n.O]alk-2-en-5-ones of the formula I ##STR1## where m and n are identical or different and each is 1, 2 or 3, and R, R.sup.1 and R.sup.2 are identical or different and each is hydrogen or alkyl of 1 to 6 C atoms, said compounds are useful for treating high blood pressure and thrombo-embolic disorders.
    Type: Grant
    Filed: June 4, 1982
    Date of Patent: October 2, 1984
    Assignee: BASF Aktiengesellschaft
    Inventors: Phillip A. Rossy, Marco Thyes, Albrecht Franke, Horst Koenig, Josef Gries, Hans D. Lehmann, Dieter Lenke
  • Patent number: 4438131
    Abstract: .omega.-Cyano-1,.omega.-diphenyl-azaalkane derivatives of the formula I ##STR1## where R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8, m and n have the meanings given in the description, and salts thereof with physiologically tolerated acids, are useful in treating cardiovascular disorders.
    Type: Grant
    Filed: March 30, 1982
    Date of Patent: March 20, 1984
    Assignee: BASF Aktiengesellschaft
    Inventors: Oskar Ehrmann, Manfred Raschack, Josef Gries, Rolf Kretzschmar, Hans D. Lehmann, Ludwig Friedrich, Dirk Wuppermann, Frank Zimmermann, Werner Seitz, Hans J. Treiber, Ferdinand Dengel, Wolfram Frank, Hans-Georg Kurbjuweit, Claus D. Mueller
  • Patent number: 4415571
    Abstract: Novel 6-phenyl-4,5-dihydro-3(2H)-pyridazinones which are substituted in the p-position of the phenyl ring by a carbamate or thiocarbamate group, processes for their preparation, pharmaceutical formulations containing these compounds, and their use as drugs in thrombo-embolic disorders, and as anti-hypertensives.
    Type: Grant
    Filed: June 9, 1981
    Date of Patent: November 15, 1983
    Assignee: BASF Aktiengesellschaft
    Inventors: Marco Thyes, Albrecht Franke, Horst Koenig, Dieter Lenke, Hans D. Lehmann, Josef Gries
  • Patent number: 4410529
    Abstract: Novel 6-(p-acylaminophenyl)-4,5-dihydro-3(2H)-pyridazinones, whose acyl radical is derived from a cycloalkylcarboxylic acid, processes for their preparation, pharmaceutical formulations containing these compounds, and their use as drugs in thrombo-embolic disorders and as anti-hypertensives.
    Type: Grant
    Filed: June 12, 1981
    Date of Patent: October 18, 1983
    Assignee: BASF Aktiengesellschaft
    Inventors: Marco Thyes, Horst Koenig, Dieter Lenke, Hans D. Lehmann, Josef Gries
  • Patent number: 4376771
    Abstract: 6-(p-Acylaminophenyl)-4,5-dihydropyridaz-3-ones of the formula I ##STR1## where R.sup.1 is hydrogen or alkyl of 1 to 3 carbon atoms and R.sup.2, if R.sup.1 is hydrogen, is halogen-substituted alkyl of 3 to 6 carbon atoms or .beta.-haloethyl or, if R.sup.1 is alkyl of 1 to 3 carbon atoms, is halogen-substituted alkyl of 1 to 6 carbon atoms, their manufacture, and therapeutic agents which contain, as the active ingredient, a compound of the formula I, where R.sup.2 may also be halomethyl or .alpha.-haloethyl if R.sup.1 is hydrogen. These compounds may be used as anti-hypertensive agents and for the prophylaxis and therapy of thromboembolic disorders.
    Type: Grant
    Filed: January 14, 1981
    Date of Patent: March 15, 1983
    Assignee: BASF Aktiengesellschaft
    Inventors: Rolf Lebkuecher, Marco Thyes, Horst Koenig, Hans D. Lehmann, Josef Gries, Dieter Lenke, Johannes Kunze
  • Patent number: 4353904
    Abstract: Novel phenylpiperazinylpropanols of 1,3,4-oxadiazolylphenols and their physiologically tolerated addition salts with acids, processes for their preparation, and pharmaceutical formulations which contain these compounds and are useful in the treatment of hypertonia.
    Type: Grant
    Filed: January 26, 1981
    Date of Patent: October 12, 1982
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter C. Thieme, Albrecht Franke, Dieter Lenke, Hans D. Lehmann, Josef Gries
  • Patent number: 4340595
    Abstract: Aminopropanol derivatives of 6-hydroxy-2,3,4,5-tetrahydro-1-H-1-benzazepin-2-one of the formula ##STR1## where R is alkyl of 1 to 6 carbon atoms, which is unsubstituted or substituted by hydroxyl or by alkoxy of 1 to 3 carbon atoms, or is alkenyl or alkynyl of 3 to 6 carbon atoms or is cycloalkyl of 3 to 7 carbon atoms in the ring, and their physiologically acceptable addition salts with acids, their preparation and pharmaceutical formulations, containing the said compounds, which because of their .beta.-sympatholytic action can be used as cardiac and circulatory drugs.
    Type: Grant
    Filed: January 19, 1981
    Date of Patent: July 20, 1982
    Assignee: BASF Aktiengesellschaft
    Inventors: Albrecht Franke, Dieter Lenke, Josef Gries, Hans D. Lehmann
  • Patent number: 4271163
    Abstract: 2-Aryl-3,4-diaza-bicyclo-[4.1.0]hept-2-en-5-ones, substituted in the phenyl ring, of the general formula ##STR1## their preparation, and therapeutic agents, containing these compounds, which may be used for the treatment of hypertension or of thrombo-embolic disorders.
    Type: Grant
    Filed: November 30, 1979
    Date of Patent: June 2, 1981
    Assignee: BASF Aktiengesellschaft
    Inventors: Marco Thyes, Josef Gries, Hans D. Lehmann, Dieter Lenke, Johannes Kunze
  • Patent number: 4190284
    Abstract: A vehicle seat, especially for airplanes and omnibusses, having an arm rest formed as a box beam support with improved means for mounting a passenger control unit is disclosed. The control device, shiftable between use and non-use positions, is rotatably mounted to the front end of the arm rest between a pair of plastic guide strips affixed to the confronting side walls of the arm rest by means of resiliently biased pins on the control device rotatably engaging in aligned bores in the guide strips and side walls. The guide strips are formed with a straight portion and a curved portion having chamfered edges. An open-ended cross groove is provided on the curved portion for engaging a resiliently biased detent pin on the control device in its use position.
    Type: Grant
    Filed: May 19, 1978
    Date of Patent: February 26, 1980
    Assignee: Recaro GmbH & Co.
    Inventors: Karl Schmidhuber, Hans D. Lehmann
  • Patent number: 4168317
    Abstract: New aminopropanol derivatives of 4-hydroxy-1,2-benzisothiazole and their addition salts with acids, their preparation, and pharmaceutical formulations which contain the said compounds and may be used for the treatment and prophylaxis of cardiac and circulatory disorders.
    Type: Grant
    Filed: January 30, 1978
    Date of Patent: September 18, 1979
    Assignee: BASF Aktiengesellschaft
    Inventors: Fritz-Frieder Frickel, Helmut Hagen, Ulrich Ohnsorge, Albrecht Franke, Dieter Lenke, Josef Gries, Hans D. Lehmann
  • Patent number: RE33476
    Abstract: Novel 6-(acylaminoaryl)-3(2H)-pyridazinones of the formula ##STR1## where R.sup.1, R.sup.2, R.sup.3, R.sup.4, A and B have the meanings given in the description, and their preparation are described.[.and inhibiting thrombocyte aggregation and gastric secretion.]..The compounds are useful for treating disorders .Iadd.and inhibiting thrombocyte aggregation and gastric secretion.Iaddend..
    Type: Grant
    Filed: May 2, 1988
    Date of Patent: December 4, 1990
    Assignee: BASF Akteingesellschaft
    Inventors: Phillip A. Rossy, Marco Thyes, Albrecht Franke, Horst Koenig, Hans D. Lehmann, Josef Gries, Ludwig Friedrich, Dieter Lenke