Patents by Inventor Karin Boke

Karin Boke 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: 4333944
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is chlorine, bromine or iodine,R.sub.2 is hydrogen or halogen, andR.sub.3 is hydrogen, lower alkyl or hydroxy-lower alkyl, or when R.sub.3 is hydrogen, an alkali metal salt thereof; the compounds and their salts are useful as anxiolytics, anticonvulsives and sedatives.
    Type: Grant
    Filed: February 10, 1981
    Date of Patent: June 8, 1982
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Karl-Heinz Weber, Adolf Langbein, Erich Lehr, Karin Boke, Franz J. Kuhn
  • Patent number: 4322423
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is chlorine, bromine or alkyl of 1 to 3 carbon atoms;R.sub.2 is hydrogen or, when R.sub.1 is alkyl, chlorine or bromine;R.sub.1 and R.sub.2, together with each other, are straight alkylene of 3 to 4 carbon atoms;R.sub.3 is hydrogen, fluorine, chlorine, bromine, alkyl of 1 to 2 carbon atoms; hydroxyl or trifluoromethyl; andR.sub.4 is hydrogen, straight or branched alkyl of 1 to 4 carbon atoms or phenyl lower alkyl;and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as antidepressants.
    Type: Grant
    Filed: March 27, 1980
    Date of Patent: March 30, 1982
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Claus Schneider, Karl-Heinz Weber, Adolf Langbein, Wolf D. Bechtel, Karin Boke
  • Patent number: 4315938
    Abstract: Compounds of the formula ##STR1## wherein R.sub.2 is hydrogen, chlorine, bromine, formyl, acetyl, alkyl of 1 to 4 carbon atoms, nitro, cyano or --CH.sub.2 --A;whereA is (alkyl of 1 to 2 carbon atoms)-amino; di(alkyl of 1 to 2 carbon atoms)-amino, where one of the alkyl moieties may have a terminal hydroxyl substituent attached thereto; or a 5-, 6- or 7-membered saturated, nitrogen-containing heterocycle which is attached to the methylene group through the nitrogen atom and may have a hydroxyl or hydroxymethyl substituent attached to a ring carbon atom, and the 6-membered heterocycle may contain oxygen as an additional ring heteroatom in the p-position;R.sub.3 is hydrogen, fluorine, chlorine, bromine, methyl or methoxy; andR.sub.4 is hydrogen or alkyl of 1 to 3 carbon atoms;and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as antidepressants.
    Type: Grant
    Filed: June 30, 1980
    Date of Patent: February 16, 1982
    Assignee: Boehringer Ingelheim Gmbh
    Inventors: Claus Schneider, Karl-Heinz Weber, Gerhard Walther, Karin Boke, Wolf D. Bechtel
  • Patent number: 4297354
    Abstract: Compounds of the steroisomeric formulas ##STR1## wherein R.sub.1 and R.sub.2, which may be identical to or different from each other, are each phenyl, substituted phenyl, thienyl or furyl;R.sub.3 is hydrogen or straight or branched alkyl of 1 to 3 carbon atoms; andR.sub.4 is straight or branched alkyl of 1 to 3 carbon atoms; orR.sub.3 and R.sub.4, together with each other and the nitrogen atom to which they are attached, form a piperidino, 4-amino-piperidino, 4-(lower alkylamino)-piperidino, piperazino, 4-(alkyl of 1 to 2 carbon atoms)-piperazino or morpholino radical; and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as antidepressants.
    Type: Grant
    Filed: December 15, 1980
    Date of Patent: October 27, 1981
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Karl-Heinz Weber, Claus Schneider, Gerhard Walther, Karl-Heinz Pook, Karin Boke, Wolf D. Bechtel
  • Patent number: 4180573
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen, lower alkyl, halo-lower alkyl, hydroxy-lower alkyl, di(lower alkyl)amino-lower alkyl, phenyl, tolyl, methoxy-phenyl, nitro-phenyl, halo-phenyl, pyridyl, pyrimidinyl or --CO--R.sub.4, where R.sub.4 is hydrogen, alkyl or 1 to 17 carbon atoms, alkoxy of 1 to 2 carbon atoms, phenyl, tolyl, methoxy-phenyl, halo-phenyl, nitro-phenyl or pyridyl;R.sub.2 is hydrogen, fluorine, chlorine, or bromine; andR.sub.3 is chlorine, bromine or lower alkyl,and non-toxic, pharmacologically acceptable acid addition salts of certain of these compounds. The compounds as well as the salts are useful as anxiolytics, tranquilizers, sedatives or neuroleptics.
    Type: Grant
    Filed: July 13, 1978
    Date of Patent: December 25, 1979
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Karl-Heinz Weber, Adolf Langbein, Claus Schneider, Erich Lehr, Karin Boke, Franz J. Kuhn
  • Patent number: 4145427
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is alkyl of 1 to 6 carbon atoms, phenyl, substituted phenyl or heteroaryl;R.sub.2 is hydrogen or alkyl; andR.sub.3 is hydrogen, methyl, methoxy or halogen;And non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds are useful as neuroleptics.
    Type: Grant
    Filed: April 14, 1978
    Date of Patent: March 20, 1979
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Adolf Langbein, Karl-Heinz Weber, Karin Boke
  • Patent number: 4085216
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen, halogen or methyl, andR.sub.2 is hydrogen, halogen, methyl or methoxy, and non-toxic, pharmacologically acceptable acid addition salts thereof; the compounds as well as their salts are useful as neuroleptics.
    Type: Grant
    Filed: May 9, 1977
    Date of Patent: April 18, 1978
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Adolf Langbein, Karl-Heinz Weber, Adolf Bauer, Karin Boke, Erich Lehr, Franz Josef Kuhn