Patents by Inventor Amro Dyab

Amro Dyab 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).

  • Multiple emulsions
    Patent number: 7722891
    Abstract: Storage stable multiple emulsions of a polar phase A1, a nonpolar phase B and a polar phase A2, or of a nonpolar phase B1, a polar phase A and a nonpolar phase B2, employ particulate solids smaller than 1 ?m to stabilize the resulting A1/B/A2 or B1/A/B2 multiple emulsions against coalescence, with the proviso that surface-active substances are present only up to a maximum concentration of less than 0.1 times the critical micelle concentration of the surface-active substances in phase A, A1, A2. The multiple emulsions have numerous uses including controlled release of active substances from a dispersed phase.
    Type: Grant
    Filed: February 28, 2003
    Date of Patent: May 25, 2010
    Assignee: Wacker Chemie AG
    Inventors: Herbert Barthel, Bernard Paul Binks, Amro Dyab, Paul Fletcher
  • Multiple emulsions
    Publication number: 20030175317
    Abstract: Storage stable multiple emulsions of a polar phase A1, a nonpolar phase B and a polar phase A2, or of a nonpolar phase B1, a polar phase A and a nonpolar phase B2, employ particulate solids smaller than 1 &mgr;m to stabilize the resulting A1/B/A2 or B1/A/B2 multiple emulsions against coalescence, with the proviso that surface-active substances are present only up to a maximum concentration of less than 0.1 times the critical micelle concentration of the surface-active substances in phase A, A1, A2. The multiple emulsions have numerous uses including controlled release of active substances from a dispersed phase.
    Type: Application
    Filed: February 28, 2003
    Publication date: September 18, 2003
    Applicant: Wacker-Chemie GmbH
    Inventors: Herbert Barthel, Bernard Paul Binks, Amro Dyab, Paul Fletcher