Patents by Inventor Beverly Ann Kiefer

Beverly Ann Kiefer 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).

  • Flexible hydrophilic articles especially sponges, having a residual antimicrobial effect
    Patent number: 6287584
    Abstract: Flexible articles especially hydrophilic sponges featuring long-lasting residual antimicrobial benefits, contain a carrier mass having dispersed within an effective amount of an biocidal composition such as a preservative. Process for the production of such flexible hydrophilic articles are also disclosed.
    Type: Grant
    Filed: March 3, 1998
    Date of Patent: September 11, 2001
    Assignee: Reckitt & Colman Inc.
    Inventors: William Ronald Feuer, Beverly Ann Kiefer, Karen Ann McCue
  • Flexible hydrophilic articles having a residual antimicrobial effect
    Patent number: 6228389
    Abstract: Flexible wiping articles in particular sponges, as well as woven or non-woven wipes, and the like feature a long term antimicrobial benefit even subsequent to continued use. The articles comprise a biocidal composition having a low aqueous solubility. Methods for preparing the articles, and processes for their use are also disclosed.
    Type: Grant
    Filed: March 3, 1998
    Date of Patent: May 8, 2001
    Assignee: Reckitt Benckiser Inc.
    Inventors: Karen Ann McCue, Beverly Ann Kiefer, William Ronald Feuer