Patents by Inventor Erling Petersen

Erling Petersen 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: 5100916
    Abstract: A preparation for treatment of addiction to alcohol, containing a carbamic acid ester having the general formula I ##STR1## wherein X is --CH.sub.3 or --CH.sub.2 CH.sub.3, R and R.sub.1 which may be the same or different, are hydrogen, C.sub.1-5 alkyl or a group of the formula ##STR2## wherein n is 0, 1 or 2, and R.sub.2, R.sub.3 and R.sub.4 are H, OH, OCH.sub.3, CH.sub.3, NO.sub.2 or halogen, and wherein R and R.sub.1 together with the nitrogen atom can form a saturated ring system having 4-6 atoms selected among C, N, O or S, and wherein A is sulphur or oxygen.
    Type: Grant
    Filed: October 30, 1990
    Date of Patent: March 31, 1992
    Assignee: Bio-Tox Diagnostics Kommanditbolag
    Inventors: Benny Johansson, Erling Petersen, Elisabeth Arnold
  • Patent number: 4945090
    Abstract: Phenoxy-substituted beta-carbolines of the formula I ##STR1## X is COOR.sup.3, CONHC.sub.1-3 -alkyl or oxadiazolyl of the formula ##STR2## R.sup.2 is H, lower alkyl or cycloalkyl, R.sup.3 is lower alkyl,R.sup.4 is hydrogen, lower alkyl or lower alkoxyalkyl,R.sup.1 is hydrogen, halogen, lower alkyl, lower alkoxy, acyl, phenyl, C.sub.2-5 alkylenedioxy, trifluoromethyl, nitrilo, nitro, lower alkoxycarbonyl, azido, SO.sub.2 R.sup.6, SO.sub.2 NR.sup.7 R.sup.8, or NR.sup.9 R.sup.10,R.sup.6 is lower alkyl,R.sup.7 and R.sup.8 independently are lower alkyl or together with the nitrogen atom form a hetero ring,R.sup.9 and R.sup.10 independently are hydrogen, lower alkyl, acyl or together with the nitrogen atom form a hetero ring system,with the proviso that X is not COOEt, if ##STR3## is 5-phenoxy and R.sup.4 is methyl or ##STR4## is 6-(4-methoxyphenoxy) and R.sup.4 is methoxymethyl have valuable pharmacological properties.
    Type: Grant
    Filed: November 13, 1986
    Date of Patent: July 31, 1990
    Assignee: Schering Aktiengesellschaft
    Inventors: Ralph Schmiechen, Dieter Seidelmann, Andreas Huth, Herbert H. Schneider, David N. Stephens, Mogens Engelstoft, John B. Hansen, Erling Petersen
  • Patent number: 4748179
    Abstract: .beta.-carbolin-3-carboxylic acid derivatives of the general formula ##STR1## wherein R.sup.1 is methyl, ethyl, n-propyl or iso-propyl, and whereinR.sup.2 is hydrogen, methyl, ethyl, n-propyl or iso-propyl, provided that R.sup.1 is not methyl, when R.sup.2 is hydrogen, are produced by different methods.The compounds are useful in psychopharmaceutical preparations, being antagoinists of benzodiazepines.
    Type: Grant
    Filed: June 20, 1985
    Date of Patent: May 31, 1988
    Assignee: Schering Aktiengesellschaft
    Inventors: Claus T. Braestrup, Erling Petersen, Tage Honore, Leif H. Jensen, Dieter Seidelmann