Patents by Inventor Ma. Luisa M. Berba

Ma. Luisa M. Berba 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).

  • Process for making a breathable absorbent article
    Patent number: 6447901
    Abstract: The present invention relates to a method of making a breathable absorbent article having a backsheet consisting essentially of a hydrophobic nonwoven material, which comprises applying positioning adhesive to the nonwoven material at a viscosity in the range of about 1000 to 1500 cps.
    Type: Grant
    Filed: March 30, 2000
    Date of Patent: September 10, 2002
    Assignee: McNeil-PPC, Inc.
    Inventors: Jenny G. Du, Ma. Luisa M. Berba, Jose Nelson M. Conanan