Patents by Inventor Helmut Kropp

Helmut Kropp 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: 6339063
    Abstract: 9a-Azalides, and pharmaceutical compositions containing them, are useful in the treatment and prevention of bacterial respiratory and enteric infections in livestock animals, particularly in cattle and swine.
    Type: Grant
    Filed: May 11, 2000
    Date of Patent: January 15, 2002
    Assignee: Merck & Co., Inc.
    Inventors: Helmut Kropp, Daniel Farrington, Jeffrey Clark, Ronald Ratcliffe, Robert Wilkening
  • Patent number: 6054434
    Abstract: 8a-Azalides are useful in the treatment and prevention of bacterial respiratory and enteric infections in livestock animals, particularly in cattle and swine.
    Type: Grant
    Filed: September 9, 1998
    Date of Patent: April 25, 2000
    Assignee: Merck & Co., Inc.
    Inventors: Helmut Kropp, Daniel O. Farrington, Jeffrey N. Clark, Ronald W. Ratcliffe, Robert D. Wilkening
  • Patent number: 5071843
    Abstract: A combination of a carbapenem of the formula: ##STR1## where R is H or CH.sub.3 and R.sup.1 is ##STR2## with a renal dipeptidase inhibitor is disclosed.
    Type: Grant
    Filed: April 3, 1991
    Date of Patent: December 10, 1991
    Assignee: Merck & Co., Inc.
    Inventors: Frederick M. Kahan, Helmut Kropp
  • Patent number: 4880793
    Abstract: A novel antibacterial drug combination is provided, one component being a 2-substituted penem, and the other component is a dipeptidase (E.C.3.4.13.11) inhibitor. The dual-component combination is formulated so that 1 to 3 parts by weight of the penem are employed for 30 to 1 parts by weight of the inhibitor compound.
    Type: Grant
    Filed: March 14, 1986
    Date of Patent: November 14, 1989
    Assignee: Merck & Co., Inc.
    Inventors: Helmut Kropp, Frederick M. Kahan
  • Patent number: 4668504
    Abstract: Antibiotics to prevent nephrotoxicity.
    Type: Grant
    Filed: April 22, 1986
    Date of Patent: May 26, 1987
    Assignee: Merck & Co., Inc.
    Inventors: Frederick M. Kahan, Helmut Kropp
  • Patent number: 4616038
    Abstract: Antibacterial compositions of thienamycin-type compounds and a dipeptidase (E.C.3.4.13.11) inhibitor.
    Type: Grant
    Filed: June 24, 1985
    Date of Patent: October 7, 1986
    Assignee: Merck & Co., Inc.
    Inventors: Frederick M. Kahan, Helmut Kropp
  • Patent number: 4539208
    Abstract: A novel antibacterial drug combination is provided, one component being a fused ring .beta.-lactam, such as thienamycin and its semi-synthetic derivatives, and the other component is a dipeptidase (E.C. 3.4.13.11) inhibitor. The dual-component combination is formulated so that 1 to 3 parts by weight of the .beta.-lactam compound are employed for 30 to 1 parts by weight of the inhibitor compound.
    Type: Grant
    Filed: August 10, 1981
    Date of Patent: September 3, 1985
    Assignee: Merck & Co., Inc.
    Inventors: Frederick M. Kahan, Helmut Kropp