Patents by Inventor Helmut Nolte

Helmut Nolte 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
  • Sprayable surface disinfectant
    Patent number: 5122541
    Abstract: A sprayable aqueous disinfecting composition for disinfecting hard surfaces comprising 20 to 30% by weight of a mixture of ethyl alcohol and isopropyl alcohol in a weight ratio of 1:2 to 2:1, 0.05 to 0.5% by weight of a mixture of a primary or secondary C.sub.10-18 -alkane sulfonate and/or a C.sub.10-18 -alkyl sulfate with a C.sub.10-14 -alkyl ether sulfate, a pH adjusting agent for adjusting the pH in the range of 2 to 6 or 8 to 12, and the remainder to 100% by weight water.
    Type: Grant
    Filed: February 20, 1990
    Date of Patent: June 16, 1992
    Assignee: Sterling Drug, Inc.
    Inventors: Heinz Eggensperger, Ute Eggers-Maass, Bernd Lower, Holger Brill, Helmut Nolte
  • Disinfecting tissue
    Patent number: 4259383
    Abstract: A disinfecting tissue comprising an absorbent material having incorporated therein a disinfecting agent selected from (a) organic percarboxylic acids; (b) mixtures of a hydrogen peroxide donor with an organic carboxylic acid anhydride or a acyloxy-benzoic or -benzenesulfonic acid; and (c) a carboxylic acid amide; as defined in the specification. The disinfectant tissues are useful for the disinfection of the skin, hands, and inanimate surfaces.
    Type: Grant
    Filed: June 26, 1979
    Date of Patent: March 31, 1981
    Assignee: Sterling Drug Inc.
    Inventors: Heinz Eggensperger, Dieter Rehn, Wolfgang Beilfuss, Helmut Nolte