Patents by Inventor RADIA EL-BANNA

RADIA EL-BANNA 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).

  • Method for preparing hyaluronic acid dermal fillers, dermal fillers obtained thereby and their use
    Patent number: 11324672
    Abstract: The present invention generally relates to the field of hyaluronic acid (HA) dermal fillers, and more specifically to methods for preparing crosslinked HA-based compositions in the form of a gel comprising high-temperature dialysis and/or crosslinking in the presence of phosphate and an alkaline metal halide salt. The present invention further relates to crosslinked HA-based gel compositions prepared by said methods and their use as dermal fillers in aesthetic applications such as wrinkle treatments.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: May 10, 2022
    Assignee: Merz Pharma GmbH & Co. KGaA
    Inventors: Nadine Hagedorn, Roland Stragies, Lubin Belkovi, Radia El-Banna
  • METHOD FOR PREPARING HYALURONIC ACID DERMAL FILLERS, DERMAL FILLERS OBTAINED THEREBY AND THEIR USE
    Publication number: 20190269582
    Abstract: The present invention generally relates to the field of hyaluronic acid (HA) dermal fillers, and more specifically to methods for preparing crosslinked HA-based compositions in the form of a gel comprising high-temperature dialysis and/or crosslinking in the presence of phosphate and an alkaline metal halide salt. The present invention further relates to crosslinked HA-based gel compositions prepared by said methods and their use as dermal fillers in aesthetic applications such as wrinkle treatments.
    Type: Application
    Filed: November 2, 2017
    Publication date: September 5, 2019
    Applicant: Merz Pharma GmbH & Co. KGaA
    Inventors: Nadine HAGEDORN, Roland STRAGIES, Lubin BELKOVI, Radia EL-BANNA
  • Dermal filler based on crosslinked hyaluronic acid and carboxymethyl cellulose lubricant
    Patent number: 10335512
    Abstract: The present invention relates to injectable dermal filler compositions in the form of a gel, comprising hyaluronic acid (HA), carboxymethyl cellulose (CMC) and, optionally, microparticles such as calcium hydroxyapatite (CaHAP) microparticles. The injectable dermal filler compositions have improved rheological properties while at the same time have low extrusion forces. The present invention further relates to a method for preparing such injectable dermal filler compositions and their use for cosmetic and therapeutic purposes.
    Type: Grant
    Filed: November 12, 2015
    Date of Patent: July 2, 2019
    Assignee: MERZ PHARMA GMBH & CO. KGAA
    Inventors: Nadine Hagedorn, Roland Stragies, Franck Villain, Lubin Belkovi, Radia El-Banna
  • DERMAL FILLER BASED ON CROSSLINKED HYALURONIC ACID AND CARBOXYMETHYL CELLULOSE LUBRICANT
    Publication number: 20170333596
    Abstract: The present invention relates to injectable dermal filler compositions in the form of a gel, comprising hyaluronic acid (HA), carboxymethyl cellulose (CMC) and, optionally, microparticles such as calcium hydroxyapatite (CaHAP) microparticles. The injectable dermal filler compositions have improved rheological properties while at the same time have low extrusion forces. The present invention further relates to a method for preparing such injectable dermal filler compositions and their use for cosmetic and therapeutic purposes.
    Type: Application
    Filed: November 12, 2015
    Publication date: November 23, 2017
    Applicant: MERZ PHARMA GMBH & CO. KGAA
    Inventors: NADINE HAGEDORN, ROLAND STRAGIES, FRANCK VILLAIN, LUBIN BELKOVI, RADIA EL-BANNA