Patents by Inventor Hengli Liu

Hengli Liu 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).

  • Dermal filler compositions including antioxidants
    Patent number: 11000626
    Abstract: Provided are injectable, hyaluronic acid-based dermal filler compositions including conjugated vitamin C derivatives. The compositions provide for extended release of active vitamin C into tissue, promoting collagenesis and other benefits to skin.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: May 11, 2021
    Assignee: ALLERGAN INDUSTRIE, SAS
    Inventors: Futian Liu, Xiaojie Yu, Jessamine P. Winer-Jones, Nicholas J. Manesis, Hengli Liu, Gabriel Njikang, Athene Wan Chie Chan
  • DERMAL FILLER COMPOSITIONS INCLUDING ANTIOXIDANTS
    Publication number: 20210023265
    Abstract: Dermal filler compositions can comprise hyaluronic acid and a conjugated vitamin C derivative. The compositions can provide for extended release of active vitamin C into tissue, which can promote collagenesis and other benefits to skin.
    Type: Application
    Filed: October 13, 2020
    Publication date: January 28, 2021
    Inventors: Futian LIU, Xiaojie YU, Jessamine P. WINER-JONES, Nicholas J. MANESIS, Hengli LIU, Gabriel NJIKANG, Athene Wan Chie CHAN
  • DERMAL FILLER COMPOSITIONS INCLUDING ANTIOXIDANTS
    Publication number: 20180214601
    Abstract: Provided are injectable, hyaluronic acid-based dermal filler compositions including conjugated vitamin C derivatives. The compositions provide for extended release of active vitamin C into tissue, promoting collagenesis and other benefits to skin.
    Type: Application
    Filed: March 26, 2018
    Publication date: August 2, 2018
    Inventors: Futian Liu, Xiaojie Yu, Jessamine P. Winer-Jones, Nicholas J. Manesis, Hengli Liu, Gabriel Njikang, Athene Wan Chie Chan
  • Dermal filler compositions including antioxidants
    Patent number: 9962464
    Abstract: Provided are injectable, hyaluronic acid-based dermal filler compositions including conjugated vitamin C derivatives. The compositions provide for extended release of active vitamin C into tissue, promoting collagenesis and other benefits to skin.
    Type: Grant
    Filed: June 9, 2016
    Date of Patent: May 8, 2018
    Assignee: Allergan, Inc.
    Inventors: Futian Liu, Xiaojie Yu, Jessamine P. Winer-Jones, Nicholas J. Manesis, Hengli Liu, Gabriel Njikang, Athene Wan Chie Chan
  • DERMAL FILLER COMPOSITIONS INCLUDING ANTIOXIDANTS
    Publication number: 20160279290
    Abstract: Provided are injectable, hyaluronic acid-based dermal filler compositions including conjugated vitamin C derivatives. The compositions provide for extended release of active vitamin C into tissue, promoting collagenesis and other benefits to skin.
    Type: Application
    Filed: June 9, 2016
    Publication date: September 29, 2016
    Inventors: Futian Liu, Xiaojie Yu, Jessamine P. Winer-Jones, Nicolas J. Manesis, Hengli Liu, Gabriel Njikang, Athene Wan Chie Chan
  • Dermal filler compositions including antioxidants
    Patent number: 9393263
    Abstract: Provided are injectable, hyaluronic acid-based dermal filler compositions including conjugated vitamin C derivatives. The compositions provide for extended release of active vitamin C into tissue, promoting collagenesis and other benefits to skin.
    Type: Grant
    Filed: August 23, 2012
    Date of Patent: July 19, 2016
    Assignee: Allergan, Inc.
    Inventors: Futian Liu, Xiaojie Yu, Jessamine P. Winer-Jones, Nicholas J. Manesis, Hengli Liu, Gabriel Njikang