Patents by Inventor Paulo Roberto Amaral Serra

Paulo Roberto Amaral Serra 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).

  • Absorbent product
    Patent number: 5962106
    Abstract: The present invention refers to an absorbent product, especially a sanitary napkin (1), including an absorbent body (2) characterised by having a first portion (5) of perforated plastic film (6) and, on the surface (13) adapted to come into contact with the user's body, a longitudinal layer which includes a second central portion (7) of woven or non-woven material on the body contact surface (13), the first portion (5) being at least near the side edges (11) of the absorbent body (2) at the contact surface and having the thickness of the absorbent body (2)
    Type: Grant
    Filed: September 4, 1997
    Date of Patent: October 5, 1999
    Assignee: Johnson & Johnson Ind. E. Com. Ltda
    Inventors: Antonio Carlos Ribeiro De Carvalho, Paulo Roberto Amaral Serra