Patents by Inventor Hamdy Elwakil

Hamdy Elwakil 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).

  • Patent number: 9011628
    Abstract: The present invention is a decorative laminated article comprising an image bearing thermoplastic interlayer wherein the image has been printed on the interlayer using an ink jet printing process, wherein the pigment comprises at least one pigment selected from the group consisting of: PY 120; PY 155; PY 128; PY 180; PY 95; PY 93; PV19/PR 202; PR 122; PB 15:4; PB 15:3; and PBI 7. The interlayer material of the present invention can be, for example, PVB, PET, or polyurethane.
    Type: Grant
    Filed: March 18, 2011
    Date of Patent: April 21, 2015
    Assignee: Kuraray America Inc.
    Inventors: Hamdy A. Elwakil, Ronald Roman, Rebecca L. Smith, Chaucer C. Tang
  • Patent number: 8002938
    Abstract: The present invention is a decorative laminated article comprising an image bearing thermoplastic interlayer wherein the image has been printed on the interlayer using an ink jet printing process, wherein the pigment comprises at least one pigment selected from the group consisting of: PY 120; PY 155; PY 128; PY 180; PY 95; PY 93; PV19/PR 202; PR 122; PB 15:4; PB 15:3; and PBI 7. The interlayer material of the present invention can be, for example, PVB, PET, or polyurethane.
    Type: Grant
    Filed: November 13, 2006
    Date of Patent: August 23, 2011
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Hamdy A. Elwakil, Ronald Roman, Rebecca L. Smith, Chaucer C. Tang
  • Publication number: 20110165390
    Abstract: The present invention is a decorative laminated article comprising an image bearing thermoplastic interlayer wherein the image has been printed on the interlayer using an ink jet printing process, wherein the pigment comprises at least one pigment selected from the group consisting of: PY 120; PY 155; PY 128; PY 180; PY 95; PY 93; PV19/PR 202; PR 122; PB 15:4; PB 15:3; and PBI 7. The interlayer material of the present invention can be, for example, PVB, PET, or polyurethane.
    Type: Application
    Filed: March 18, 2011
    Publication date: July 7, 2011
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Hamdy A. Elwakil, Ronald Roman, Rebecca L. Smith, Chaucer C. Tang
  • Patent number: 7635504
    Abstract: The present invention pertains to a radiation-curable white inkjet ink and, more particularly, to a radiation-curable inkjet white ink comprising a specified titanium dioxide with at least two dispersants. The first is an acidic polyester dispersant and the second is an acrylic structured copolymer dispersant. Ink sets containing the white inks are also described.
    Type: Grant
    Filed: May 3, 2007
    Date of Patent: December 22, 2009
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Hamdy A. Elwakil, Patrick F. McIntyre
  • Patent number: 7592378
    Abstract: The present invention pertains to an aqueous inkjet ink made from certain aqueous titanium dioxide slurries, and an associated inkjet ink set for inkjet printing. The invention also pertains to a method of inkjet printing with the ink and ink set. The use of the specific titanium dioxide slurries described herein result in inkjet inks having improved stability and better anti-settling performance with less pigment agglomeration and flocculation over time.
    Type: Grant
    Filed: January 28, 2008
    Date of Patent: September 22, 2009
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Tyau-Jeen Lin, Patrick F. McIntyre, Hamdy A. Elwakil
  • Publication number: 20080138530
    Abstract: The present invention pertains to an aqueous inkjet ink made from certain aqueous titanium dioxide slurries, and an associated inkjet ink set for inkjet printing. The invention also pertains to a method of inkjet printing with the ink and ink set. The use of the specific titanium dioxide slurries described herein result in inkjet inks having improved stability and better anti-settling performance with less pigment agglomeration and flocculation over time.
    Type: Application
    Filed: January 28, 2008
    Publication date: June 12, 2008
    Inventors: Tyau-Jeen Lin, Patrick F. Mcintyre, Hamdy A. Elwakil
  • Publication number: 20080105371
    Abstract: The present invention is process for preparing a decorative glass laminate comprising a rigid interlayer comprising printing an image onto at least one of the interlayer surfaces.
    Type: Application
    Filed: January 9, 2008
    Publication date: May 8, 2008
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Rebecca Smith, Hamdy Elwakil
  • Publication number: 20070259986
    Abstract: The present invention pertains to a radiation-curable white inkjet ink and, more particularly, to a radiation-curable inkjet white ink comprising a specified titanium dioxide with at least two dispersants. The first is an acidic polyester dispersant and the second is an acrylic structured copolymer dispersant. Ink sets containing the white inks are also described.
    Type: Application
    Filed: May 3, 2007
    Publication date: November 8, 2007
    Inventors: Hamdy A. Elwakil, Patrick F. McIntyre
  • Patent number: 7278730
    Abstract: The present invention is a decorative laminated article including an image bearing thermoplastic interlayer wherein the image has been printed on the interlayer using an ink jet printing process, wherein the image includes a white pigment on the surface of the thermoplastic interlayer. The present invention is also a process for ink-jet printing white pigment ink on a thermoplastic polymer to obtain an image bearing laminate with good adhesive qualities.
    Type: Grant
    Filed: March 2, 2005
    Date of Patent: October 9, 2007
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Hamdy A. Elwakil
  • Publication number: 20070188535
    Abstract: A method is described for printing on translucent substrates, such as thermoplastic polymer materials, which method utilizes a white ink as a process ink to achieve selective opacity and enhanced color effects derived from the white ink. The white ink jetting and the colored ink jetting are printed essentially simultaneously.
    Type: Application
    Filed: February 13, 2007
    Publication date: August 16, 2007
    Inventors: Hamdy A. Elwakil, Eric Pray
  • Patent number: 7232213
    Abstract: The present invention is a decorative glass laminate comprising a rigid interlayer bearing a printed image that has been ink-jetted onto at least one of the interlayer surfaces, and a process for preparing same. The interlayer has a storage young's modulus of 50–1000 Mla at 0.3 Hz and 25 C, as determined according to ASTM D 5026-95a and a finite thickness of less than equal to about 0.38 mm.
    Type: Grant
    Filed: July 31, 2003
    Date of Patent: June 19, 2007
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Rebecca L. Smith, Hamdy Elwakil
  • Publication number: 20070125490
    Abstract: The present invention is a decorative laminated article comprising an image bearing thermoplastic interlayer wherein the image has been printed on the interlayer using an ink jet printing process, wherein the pigment comprises at least one pigment selected from the group consisting of: PY 120; PY 155; PY 128; PY 180; PY 95; PY 93; PV19/PR 202; PR 122; PB 15:4; PB 15:3; and PBI 7. The interlayer material of the present invention can be, for example, PVB, PET, or polyurethane.
    Type: Application
    Filed: November 13, 2006
    Publication date: June 7, 2007
    Inventors: Hamdy Elwakil, Ronald Roman, Rebecca Smith, Chaucer Tang
  • Publication number: 20070087137
    Abstract: The present invention is a decorative laminated article comprising an image bearing thermoplastic interlayer wherein the image has been printed on the interlayer using an ink jet printing process, wherein the pigment comprises at least one pigment selected from the group consisting of: PY 120; PY 155; PY 128; PY 180; PY 95; PY 93; PV19/PR 202; PR 122; PB 15:4; PB 15:3; and PBI 7. The interlayer material of the present invention can be, for example, PVB, PET, or polyurethane.
    Type: Application
    Filed: June 28, 2004
    Publication date: April 19, 2007
    Inventors: Hamdy Elwakil, Ronald Roman, Rebecca Smith, Chaucer Tang
  • Publication number: 20070071955
    Abstract: The present invention is a decorative laminated article comprising an image bearing thermoplastic interlayer wherein the image has been printed on the interlayer using an ink jet printing process, wherein the pigment comprises at least one pigment selected from the group consisting of: PY 120; PY 155; PY 128; PY 180; PY 95; PY 93; PV19/PR 202; PR 122; PB 15:4; PB 15:3; and PBI 7. The interlayer material of the present invention can be, for example, PVB, PET, or polyurethane.
    Type: Application
    Filed: August 20, 2003
    Publication date: March 29, 2007
    Inventors: Hamdy Elwakil, Ronald Roman, Reecca Smith, Chaucer Tang
  • Patent number: 7041163
    Abstract: This invention pertains to an ink set for inkjet printing, in particular to a non-aqueous ink set comprising one or more inks based on certain pigment colorants. The invention also pertains to a method of inkjet printing with this ink set.
    Type: Grant
    Filed: August 20, 2003
    Date of Patent: May 9, 2006
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Ronald Roman, Hamdy A. Elwakil
  • Publication number: 20050285920
    Abstract: The present invention is a decorative glass laminate comprising a rigid interlayer bearing a printed image that has been ink-jetted onto at least one of the interlayer surfaces, and a process for preparing same. The interlayer has a storage young's modulus of 50-1000 Mla at 0.3 Hz and 25C, as determined according to ASTM D 5026-95a and a finite thickness of less than equal to about 0.38 mm.
    Type: Application
    Filed: July 31, 2003
    Publication date: December 29, 2005
    Inventors: Rebecca Smith, Hamdy Elwakil
  • Publication number: 20050282928
    Abstract: The present invention pertains to an aqueous inkjet ink made from certain aqueous titanium dioxide slurries, and an associated inkjet ink set for inkjet printing. The invention also pertains to a method of inkjet printing with the ink and ink set. The use of the specific titanium dioxide slurries described herein result in inkjet inks having improved stability and better anti-settling performance with less pigment agglomeration and flocculation over time.
    Type: Application
    Filed: June 21, 2004
    Publication date: December 22, 2005
    Inventors: Tyau-Jeen Lin, Patrick McIntyre, Hamdy Elwakil
  • Publication number: 20050271865
    Abstract: The present invention is a decorative laminated article comprising an image bearing thermoplastic interlayer wherein the image has been printed on the interlayer using an ink jet printing process, wherein the pigment comprises at least one pigment selected from the group consisting of: PY 120; PY 155; PY 128; PY 180; PY 95; PY 93; PV19/PR 202; PR 122; PB 15:4; PB 15:3; and PBI 7. The interlayer material of the present invention can be, for example, PVB, PET, or polyurethane.
    Type: Application
    Filed: August 20, 2003
    Publication date: December 8, 2005
    Inventors: Hamdy Elwakil, Ronald Roman, Reecca Smith, Chaucer Tang
  • Publication number: 20050215664
    Abstract: Disclosed is a non-aqueous inkjet ink containing certain titanium dioxide slurries, an associated inkjet ink set for inkjet printing, and a method of inkjet printing with the inkjet ink or ink set. The solvent and mixtures of solvents used for the dispersed titanium dioxide have a hydrogen bonding solubility parameter of greater than about 9. The inks have improved anti-settling properties with less pigment agglomeration and flocculation over time such that they can be utilized to prepare a stable inkjet ink. Also described is the use of this ink to print on colored or transparent surfaces.
    Type: Application
    Filed: March 2, 2005
    Publication date: September 29, 2005
    Inventors: Hamdy Elwakil, Patrick McIntyre
  • Publication number: 20050196560
    Abstract: The present invention is a decorative laminated article comprising an image bearing thermoplastic interlayer wherein the image has been printed on the interlayer using an ink jet printing process, wherein the image comprises a white pigment on the surface of the thermoplastic interlayer. The present invention is also a process for ink-jet printing white pigment ink on a thermoplastic polymer to obtain an image bearing laminate with good adhesive qualities.
    Type: Application
    Filed: March 2, 2005
    Publication date: September 8, 2005
    Inventor: Hamdy Elwakil