Patents by Inventor Edmund Z. DeRossett

Edmund Z. DeRossett 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).

  • Textile-like apertured plastic films
    Patent number: 5997986
    Abstract: Apertured plastic films comprise a stretchable thermoplastic polymeric material having a plurality of micro-holes defined by a network of fiber-like elements. The films are produced by directing fluids, especially water, against the upper surface of a starting film in the form of columnar streams in a contact zone, while the film is supported on a backing element. The films of the invention are useful as covering materials for absorbent products such as diapers, wound dressings and sanitary napkins.
    Type: Grant
    Filed: December 11, 1996
    Date of Patent: December 7, 1999
    Assignee: Chicopee
    Inventors: Mordechai Turi, Edmund Z. DeRossett, Ching-Yun M. Yang
  • Method of forming textile-like apertured plastic films
    Patent number: 5567376
    Abstract: Apertured plastic films comprise a stretchable thermoplastic polymeric material having a plurality of micro-holes defined by a network of fiber-like elements. The films are produced by directing fluids, especially water, against the upper surface of a starting film in the form of columnar streams in a contact zone, while the film is supported on a backing element. The films of the invention are useful as covering materials for absorbent products such as diapers, wound dressings and sanitary napkins.
    Type: Grant
    Filed: April 5, 1995
    Date of Patent: October 22, 1996
    Assignee: Chicopee
    Inventors: Mordechai Turi, Edmund Z. DeRossett, Ching-Yun M. Yang
  • Clean and dry appearance facing
    Patent number: 4710186
    Abstract: A facing is provided for a body fluid absorbent product which facing is not only substantially nonwettable and pervious to body fluid, but which also enhances the clean and dry appearance of the product after it has absorbed body fluids. The facing comprises a polyolefin having an open area of from about 1.3 to about 35 percent of the total area intended for the passage of body fluids and having incorporated therein a sufficient quantity of opacifying agent so as to have the sheet exhibit a brightness of at least 45 percent.
    Type: Grant
    Filed: July 20, 1984
    Date of Patent: December 1, 1987
    Assignee: Personal Products Company
    Inventors: Edmund Z. DeRossett, Thomas J. Luceri
  • Channeled napkin with dry cover
    Patent number: 4624666
    Abstract: A sanitary napkin is provided which comprises a cover with clean and dry properties in combination with the fluid transport properties of an impressed channel. The napkin comprises an absorbent core having impressed into its body facing side at least one elongated channel. A hydrophobic, body fluid pervious, cover overlies said body facing side and said channel and said cover extends into the channel and is adhered to the channel bottom.
    Type: Grant
    Filed: July 20, 1984
    Date of Patent: November 25, 1986
    Assignee: Personal Products Company
    Inventors: Edmund Z. DeRossett, Frederick F. Gentzel