Patents by Inventor Matthias Wiesner

Matthias Wiesner 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).

  • Adhesion receptor antagonists
    Patent number: 6204280
    Abstract: Compounds of the formula I wherein R1, R2 and R3 have the meanings defined herein, and also their physiologically acceptable salts, inhibit the binding of fibrinogen to the corresponding receptor and can be employed for the treatment of thromboses, osteoporoses, oncoses, apoplexy, cardiac infarct, ischaemias, inflammations, arteriosclerosis and osteolytic disorders.
    Type: Grant
    Filed: September 30, 1998
    Date of Patent: March 20, 2001
    Assignee: Merck Patent Gesellschaft mit berschrankter Haftung
    Inventors: Joachim Gante, Horst Juraszyk, Peter Raddatz, Hanns Wurziger, Sabine Bernotat-Danielowski, Guido Melzer, Matthias Wiesner, Claus Fittschen
  • Water-in-oil emulsions containing water-soluble alkyl glycosides
    Patent number: 5639797
    Abstract: A W/O emulsion comprising water, oil and at least one water-soluble alkyl glycoside. Cosmetic and dermatological skincare composition, based thereon are easier to prepare, of lower viscosity and improved stability.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: June 17, 1997
    Assignees: Beiersdorf Aktiengesellschaft, Hoechst Aktiengesellschaft
    Inventors: Rainer Kropke, Wolfgang Pape, Gunther Schneider, Wilhelm Stahl, Matthias Wiesner
  • Aromatic copolyamides, process for preparing them and their use for the production of shaped structures
    Patent number: 5420231
    Abstract: Aromatic copolyamides, process for preparing them and their use for the production of shaped structuresAromatic copolyamide which is soluble in organic solvents, and a process for its preparation, which contains the recurring structural units (I), (II) and (III) ##STR1## to the extent of at least 90 mol % and 0 to 5 mol % of end groups of the structural units (IV) ##STR2## The sum of the molar proportions of (II) and (III) is in the ratio of 0.9:1 to 1.1:1 to the molar proportion of (I), and at the same time the molar proportions of (II) and (III) are in a ratio to one another of 60:40 to 10:90.The copolyamides are suitable for the production of shaped articles or for coatings and for the production of fibers, membranes and films.
    Type: Grant
    Filed: August 11, 1993
    Date of Patent: May 30, 1995
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Ulrich M. Delius, Willi Kreuder, Matthias Wiesner
  • Process for the enzymatic preparation of disaccharide fluorides using .alpha.-glycosyl fluorides as substrates
    Patent number: 5068186
    Abstract: Disaccharide fluorides can be prepared by incubation of .alpha.-D-glycosyl fluorides in concentrated solutions with .alpha.-glycosidases.
    Type: Grant
    Filed: June 14, 1990
    Date of Patent: November 26, 1991
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Merten Schlingmann, Reinhold Keller, Matthias Wiesner, Wolfgang Treder, Joachim Thiem
  • Process for the oxidation of 5-hydroxymethylfurfural
    Patent number: 4977283
    Abstract: A process for the oxidation of 5-hydroxymethylfurfural which comprises oxidizing 5-hydroxymethylfurfural in an aqueous medium with oxygen in the presence of a catalyst which contains at least one metal of the platinum group.
    Type: Grant
    Filed: July 27, 1989
    Date of Patent: December 11, 1990
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Ernst I. Leupold, Matthias Wiesner, Merten Schlingmann, Knut Rapp
  • Diels-alder adduct from streptazoline and naphthoquinones and its oxidation products, which have cytotoxic and antimicrobial activity and which act against protozoa
    Patent number: 4849409
    Abstract: Streptazoline is reacted with naphthoquinones in a Diels-Alder reaction, and the adduct is then oxidized. The resulting compounds have cytotoxic activity, in particular against leukemia cells, and have an antimicrobial action and act against protozoa.
    Type: Grant
    Filed: May 12, 1987
    Date of Patent: July 18, 1989
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Hans-Ullrich Hoppe, Susanne Grabley, Hartmut Voelskow, Merten Schlingmann, Hans P. Kraemer, Matthias Wiesner, Joachim Thiem