Patents by Inventor Lein H. Jensen

Lein H. Jensen 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).

  • Isatineoxime derivatives, their preparation and use
    Patent number: 5436250
    Abstract: A compound having the formula ##STR1## wherein R.sup.4 and R.sup.5 independently are hydrogen, halogen, CF.sub.3, CN, NO.sub.2 or SO.sub.2 NR.sup.1 R.sup.2 whereinR.sup.1 is hydrogen or C.sub.1-6 -alkyl which may be straight, branched or cyclic,R.sup.2 is hydrogen or C.sub.1-6 -alkyl which may be straight, branched or cyclic, or wherein R.sup.1 and R.sup.2 together represent --(CH.sub.2).sub.n --A--(CH.sub.2).sub.m --, wherein A is O, S, CH.sub.2 or NR.sup.I, wherein R.sup.I is H, C.sub.1-6 -alkyl which may be straight, branched or cyclic, n is 0, 1, 2, 3, 4, 5 and m is 0, 1, 2, 3, 4, 5;R.sup.II is hydrogen, benzyl, (C.dbd.O)CF.sub.3, C.sub.1-6 -carboxylic acid acyl, C.sub.1-6 -alkoxy which may be branched or cyclic, or C.sub.1-6 -alkyl which may be straight, branched or cyclic, CH.sub.2 CO.sub.2 R.sup.VI wherein R.sup.VI is hydrogen or C.sub.
    Type: Grant
    Filed: July 7, 1993
    Date of Patent: July 25, 1995
    Assignee: NeuroSearch A/S
    Inventors: Frank Watjen, Bjarne H. Dahl, Jorgen Drejer, Lein H. Jensen