Patents by Inventor Edith Koch

Edith Koch 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).

  • Purine analog nucleoside and nucleotide compounds
    Patent number: 5446139
    Abstract: The invention concerns nucleoside derivatives of the formula I ##STR1## in which Ba signifies an indolyl (A), benzimidazolyl (B), pyrrolopyridinyl (C), imidazopyridinyl (D), triazolopyrimidinyl (E), imidazotriazinyl (F) or imidazopyrimidinyl (G) group substituted by R.sup.1, R.sup.2 and R.sup.3, in which R.sup.1, R.sup.2 and R.sup.3, which can be the same or different, signify hydrogen, halogen, a C.sub.1 -C.sub.7 -alkyl, C.sub.2 -C.sub.7 -alkenyl, hydroxy, mercapto, C.sub.1 -C.sub.7 -alkylthio, C.sub.1 -C.sub.7 -alkoxy, C.sub.2 -C.sub.7 -alkenyloxy, ar-C.sub.1 -C.sub.5 -alkyl, ar-C.sub.2 -C.sub.5 -alkenyl, ar-C.sub.1 -C.sub.5 -alkoxy, ar-C.sub.2 -C.sub.5 -alkenyloxy, aryloxy, nitro, amino-C.sub.1 -C.sub.7 -alkyl, C.sub.1 -C.sub.7 -alkylamino-C.sub.1 -C.sub.7 -alkyl, di-C.sub.1 -C.sub.7 -alkylamino-C.sub.1 -C.sub.7 -alkyl, amino, a substituted amino group --NMR.sup.4 or --N(R.sup.4).sub.2 or an imino group --N.dbd.CH--R.sup.4, and R.sup.4 has the meaning given in the description, R.sup.5, R.sup.6, R.sup.
    Type: Grant
    Filed: February 21, 1992
    Date of Patent: August 29, 1995
    Assignee: Boehringer Mannheim GmbH
    Inventors: Frank Seela, Werner Bourgeouis, Rainer Gumbiowski, Angelika Roling, Helmut Rosemeyer, Alfred Mertens, Harald Zilch, Bernhard Konig, Edith Koch
  • Process of using phospholipid derivatives to inhibit multiplication of the human immunodeficiency virus
    Patent number: 5158942
    Abstract: The present invention is concerned with the use of compounds of the general formula: ##STR1## and of the pharmacologically acceptable salts thereof, as well as of the optical isomers thereof for the preparation of pharmaceutical compositions with antiviral action.The present invention also provides new phospholipid derivatives.
    Type: Grant
    Filed: August 23, 1990
    Date of Patent: October 27, 1992
    Assignee: Boehringer Mannheim GmbH
    Inventors: Dieter Herrmann, Elmar Bosies, Harald Zilch, Edith Koch