Patents by Inventor Helmut Rackur

Helmut Rackur 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).

  • Disinfectant concentrate and its use as a mycobactericide and viricide
    Patent number: 5185145
    Abstract: The invention relates to a disinfectant concentrate containing 10 to 60% by weight of phenoxyethanol or a phenoxypropanol mixture of 2-phenoxy-1-propanol and 1-phenoxy-2-propanol in a ratio by weight of from 1:4 to 1:20, 0.1 to 50% by weight of a cationic compound selected from the group of the guanidinium compounds, quaternary ammonium compounds or mixtures of these, 3 to 25% by weight of non-ionic surfactants and 0.1 to 10% by weight of an organic nitrogen-containing base having a pK.sub.B value of .gtoreq.4.75.
    Type: Grant
    Filed: February 21, 1991
    Date of Patent: February 9, 1993
    Assignee: Eastman Kodak Company
    Inventors: Heinz Eggensperger, Karl-Heinz Diehl, Helmut Nolte, Helmut Rackur, Ute Eggers-Maass, Michael Mohr, Lower Bernd, Wolfgang Beilfuss
  • Implant for filling bone cavities and fixing bone fragments in a living body, method of producing the same, and bone implant system
    Patent number: 4610692
    Abstract: A sintered tricalcium phosphate implant for filling bone cavities and for fixing bone fragments is provided, which comprises a discretely-shaped, porous body, at least one therapeutically-active ingredient impregnated into this porous body and distributed among the pores therein, and at least one coating of predetermined thickness of a biodegradable substance on at least a portion of this porous body, so that the time of absorption of the therapeutically-active ingredient is controlled by the thickness of the biodegradable substance. A process for producing this sintered tricalcium phosphate implant is also provided, along with an implant system for filling bone cavities and for fixing bone fragments in a living body, comprising a number of such tricalcium phosphate bone implants, with discrete coatings of biodegradable substance of predetermined thicknesses over at least some of the porous bodies constituting the tricalcium phosphate bone implants.
    Type: Grant
    Filed: June 22, 1984
    Date of Patent: September 9, 1986
    Assignee: Mundipharma GmbH
    Inventors: Jurgen Eitenmuller, Helmut Rackur, Walter Wimmer, Marija Weiss