Patents Represented by Attorney Martha A. Michales
  • Patent number: 4235237
    Abstract: An absorbent open network has water-insoluble but water-swellable particles spaced from one another but integral with the network to provide an absorbent structure which is useful as an element in a disposable, body fluid-absorbing article, such as a disposable diaper, sanitary napkin, or the like. Also disclosed are methods for making the absorbent open network structure, and disposable diapers incorporating such absorbent structures.
    Type: Grant
    Filed: May 8, 1978
    Date of Patent: November 25, 1980
    Assignee: Johnson & Johnson
    Inventors: Frederick K. Mesek, George A. M. Butterworth, Talivaldis Cepuritis