Patents by Inventor Meng OUYANG

Meng OUYANG 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).

  • Macromers comprising pendant polyoxazoline groups and end groups
    Patent number: 9695285
    Abstract: The invention is directed to a macromer comprising unit derived from a siloxane diol, di-isocyanates and a diol comprising a pendant group comprising an oligomer or polymer derived from methyl oxazoline or ethyl oxazoline. The invention also relates to a process for the preparation of said macromers, and to that the use of said macromers. The macromers according to the invention may be used in lenses, such as ophthalmic lenses. Films comprising the macromers according to the invention provide a surprisingly low modulus in combination with a high water content and oxidative stability.
    Type: Grant
    Filed: May 23, 2014
    Date of Patent: July 4, 2017
    Assignee: DSM IP ASSETS B.V.
    Inventors: Aylvin Jorge Angelo Athanasius Dias, Scott Curtin, MengMeng Zong, Meng Ouyang
  • MACROMERS COMPRISING PENDANT POLYOXAZOLINE GROUPS AND END GROUPS
    Publication number: 20160108180
    Abstract: The invention is directed to a macromer comprising unit derived from a siloxane diol, di-isocyanates and a diol comprising a pendant group comprising an oligomer or polymer derived from methyl oxazoline or ethyl oxazoline. The invention also relates to a process for the preparation of said macromers, and to that the use of said macromers. The macromers according to the invention may be used in lenses, such as ophthalmic lenses. Films comprising the macromers according to the invention provide a surprisingly low modulus in combination with a high water content and oxidative stability.
    Type: Application
    Filed: May 23, 2014
    Publication date: April 21, 2016
    Applicant: DSM IP ASSETS B.V.
    Inventors: Aylvin Jorge Angelo Athanasius DIAS, Scott CURTIN, MengMeng ZONG, Meng OUYANG
  • POLYSILOXANE BASED BLOCK COPOLYMERS
    Publication number: 20160017080
    Abstract: The invention is directed to polysiloxane based block copolymers that comprise siloxane units and units derived from diol compounds comprising at least one pendant oligomeric or polymeric group. The block copolymers according to the invention surprisingly allows any glassware used during its preparation to be washed cleaned with water. The block copolymer can be used in ophthalmic lenses, and may be useful in providing contact lens formulations which are water processable.
    Type: Application
    Filed: February 14, 2013
    Publication date: January 21, 2016
    Inventors: Yuan TIAN, Scott CURTIN, Ananth IYER, Anfeng WANG, Meng OUYANG