Patents by Inventor Ulrich Hamel

Ulrich Hamel 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).

  • Enhanced chemotherapeutic compositions against microbial infections in fish, the preparation and use thereof
    Patent number: 5455266
    Abstract: The invention relates to enhanced chemotherapeutic compositions against microbial infections in fish, containing a benzylamine derivative of general formula ##STR1## wherein R.sub.1 to R.sub.3 are defined as in claim 1, or a physiologically acceptable acid addition salt thereof and an effective amount of an antimicrobially active substance or a combination of such substances, preferably incorporated in feed, the preparation and the use thereof.
    Type: Grant
    Filed: September 10, 1993
    Date of Patent: October 3, 1995
    Assignee: Boehringer Ingelheim Vetmedica GmbH
    Inventors: Riichi Kusuda, Ulrich Hamel
  • Feed additive for improving growth in agricultural animals
    Patent number: 5135929
    Abstract: By using .sub..alpha. -mimetics, particularly compounds of general formulae I to III and the compounds listed in Table I, as feed additives in fattening animals, it has surprisingly been possible to improve the daily weight gain, the utilization of fodder and the ratio of muscle to fat in favor of the proportion of muscle and protein.
    Type: Grant
    Filed: September 5, 1990
    Date of Patent: August 4, 1992
    Assignee: Boehringer Ingelheim Vetmedica GmbH
    Inventors: Werner Bomann, Franz Esser, Ulrich Hamel, Helmut Stable
  • Feed additive for improving growth in agricultural animals
    Patent number: 4970208
    Abstract: By using .alpha.-mimetics, particularly compounds of general formulae I to III and the compounds listed in Table I, as feed additives in fattening animals, it has surprisingly been possible to improve the daily weight gain, the utilization of fodder and the ratio of muscle to fat in favour of the proportion of muscle and protein.
    Type: Grant
    Filed: October 25, 1988
    Date of Patent: November 13, 1990
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Werner Bomann, Franz Esser, Ulrich Hamel, Helmut Stable
  • Feed additive for improving growth in agricultural animals
    Patent number: 4853402
    Abstract: By using .alpha.-mimetics, particularly compounds of general formulae I to III and the compounds listed in Table I, as feed additives in fattening animals, it has surprisingly been possible to improve the daily weight gain, the utilisation of fodder and the ratio of muscle to fat in favor of the proportion of muscle and protein.
    Type: Grant
    Filed: February 26, 1987
    Date of Patent: August 1, 1989
    Assignee: Boehringer Ingelheim Vetmedica GmbH
    Inventors: Werner Bomann, Franz Esser, Ulrich Hamel, Helmut Stable