Patents by Inventor Daniel J. Kuzmenka

Daniel J. Kuzmenka 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).

  • Stable non-aqueous compositions containing peracids which are substantially insoluble
    Patent number: 5503765
    Abstract: Non-aqueous liquids into which peracids may be stably incorporated for five days or greater when measured at 37.degree. C. are formulated by proper selection of substantially insoluble peracid, builder and buffer salts.
    Type: Grant
    Filed: August 12, 1994
    Date of Patent: April 2, 1996
    Assignee: Lever Brothers Company, Division of Conopco, Inc.
    Inventors: Frederik J. Schepers, Leslie J. Morgan, Daniel J. Kuzmenka, Jonathan F. Warr
  • System for releasing bleach from a bleach precursor in the wash using an enzyme activator
    Patent number: 5338474
    Abstract: The present invention provides a system for releasing a peracid from a peroxygen bleach source using a lipase enzyme as the activator.
    Type: Grant
    Filed: February 25, 1992
    Date of Patent: August 16, 1994
    Assignee: Lever Brothers Company, Division of Conopco, Inc.
    Inventors: Howard B. Kaiserman, Daniel J. Kuzmenka
  • Stabilization of peroxygen bleach in enzyme-containing heavy duty liquids
    Patent number: 5264142
    Abstract: The present application provides heavy duty liquids in which enzyme stability is maintained without sacrificing peroxygen bleach stability. In one embodiment of the invention stability is provided using protein having a MW of from about 1,000 to about under 50,000. In a second embodiment, stability is provided using a carboxylic acid selected from the group consisting of acetic acid, propionic acid, adipic acid and salts thereof.
    Type: Grant
    Filed: November 25, 1991
    Date of Patent: November 23, 1993
    Assignee: Lever Brothers Company, Division of Conopco, Inc.
    Inventors: John F. Hessel, Daniel J. Kuzmenka, Johannes C. Van De Pas, Cornelis B. Donker, Jack T. McCown