Patents by Inventor Johannes C. Jonker

Johannes C. Jonker 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).

  • Biodegradable disposable diaper
    Patent number: 5542940
    Abstract: A disposable diaper comprising a liquid permeable bodyside inner liner and an at least substantially liquid impermeable outer layer, which form a front panel and a rear panel, with a liquid-absorbent batt sandwiched between the inner liner and the outer layer, and with elastic leg openings, characterized in that the inner liner and the outer liner are at least substantially made of a cellulosic material of the "wet-strong long fiber" type.
    Type: Grant
    Filed: May 10, 1994
    Date of Patent: August 6, 1996
    Inventor: Johannes C. Jonker