Patents by Inventor Dimitri P. Zafiroglu

Dimitri P. Zafiroglu 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).

  • Quilted elastic composite fabric
    Patent number: 4879169
    Abstract: An elastic quilted composite fabric is provided. The quilted fabric has at least one gathered fibrous layer and at least one elastic fabric layer. The elastic fabric layer preferably includes 1/2 to 10% by weight of spandex fibers and is a stitch-bonded fabric whose elastic characteristics are not activated until after the various layers of the composite fabric have been quilted together.
    Type: Grant
    Filed: April 11, 1988
    Date of Patent: November 7, 1989
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Dimitri P. Zafiroglu
  • Stitchbonded nonwoven fabric
    Patent number: 4876128
    Abstract: A stitchbonded fabric with excellent insulating and stretchability characteristics and good laundering durability formed from a bonded fibrous layer stitchbonded with elastic thread under tension, which is then subjected to a relaxed shrinkage treatment to increase its thickness and volume.
    Type: Grant
    Filed: March 31, 1989
    Date of Patent: October 24, 1989
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Dimitri P. Zafiroglu
  • Liquid-dispensing pouch
    Patent number: 4820435
    Abstract: A liquid-dispensing pouch is provided that has a nonwoven wall which permits repeated releases of the liquid from within the pouch when the wall is wetted on its outer surface with a solvent for the liquid, but prevents seepage of the liquid from within the pouch when the outer surface of the wall is dry.
    Type: Grant
    Filed: May 2, 1988
    Date of Patent: April 11, 1989
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Dimitri P. Zafiroglu
  • Stitched nonwoven dust-cloth
    Patent number: 4773238
    Abstract: A nonwoven fabric comprises a layer of substantially nonbonded layer of textile-decitex fibers. The layer is multi-needle stitched with an elastic stitching thread which causes the fabric to contract to less than 40%, preferably to 30 to 20%, of its original area. The nonwoven fabric is particularly suited for use as a dust-cloth.
    Type: Grant
    Filed: August 14, 1987
    Date of Patent: September 27, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Dimitri P. Zafiroglu
  • Article for absorbing oils
    Patent number: 4737394
    Abstract: An oil-absorbing article comprises a porous outer fabric which encloses fibrous oil-absorbing particles. The porous fabric of the invention is a nonwoven fibrous polyolefin layer of polyethylene or polypropylene that is stitch-bonded with an elastic thread.
    Type: Grant
    Filed: June 17, 1987
    Date of Patent: April 12, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Dimitri P. Zafiroglu
  • Stitched polyethylene plexifilamentary sheet
    Patent number: 4704321
    Abstract: A nonwoven fabric is provided which comprises a layer of nonbonded, polyethylene, plexifilamentary film-fibril strands, which layer is multi-needle stitched with a stitching thread that forms spaced-apart, parallel rows of stitches in the fabric. Stitching thread of spandex yarn which causes the fabric to contract to 35 to 70% of its original area is preferred. The nonwoven fabric is particularly suited for use as a wipe-cloth.
    Type: Grant
    Filed: November 5, 1986
    Date of Patent: November 3, 1987
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Dimitri P. Zafiroglu
  • Woodpulp-polyester spunlaced fabrics
    Patent number: 4442161
    Abstract: Improved liquid-barrier properties are provided to spunlaced fabrics of woodpulp and synthetic organic fibers by employing closely spaced jets in a hydraulic entanglement treatment of the fibers. Additional improvement in barrier properties is provided by a finishing step which employs multiple passes under low pressure, closely spaced jets.
    Type: Grant
    Filed: November 4, 1982
    Date of Patent: April 10, 1984
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Birol Kirayoglu, Dimitri P. Zafiroglu