Patents by Inventor Hongjin Qiu

Hongjin Qiu 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: 9296159
    Abstract: Silicone hydrogel contact lenses that are derived from a polymerizable composition including at least one siloxane monomer and at least one hydrophobic ethylene glycol methyl ether methacrylate-containing monomer, or at least one hydrophilic vinyl ether-containing monomer, or both, wherein, when the at least one hydrophobic ethylene glycol methyl ether methacrylate-containing monomer is present in the polymerizable composition, it is present in an amount of from 1 to 20 unit parts by weight, and when the at least one hydrophilic vinyl ether-containing monomer is present in the polymerizable composition, it is present in an amount of from 1 to 20 unit parts by weight, are described. Batches of silicone hydrogel contact lenses and methods of making silicone hydrogel contact lenses are also described.
    Type: Grant
    Filed: February 23, 2012
    Date of Patent: March 29, 2016
    Assignee: CooperVision International Holding Company, LP
    Inventors: Ying Zheng, Yuan Xu, Junhao Ge, Charles A. Francis, Yuan Sun, Yuwen Liu, Charlie Chen, Ye Hong, Hongjin Qiu, Li Yao, Arthur Back
  • Publication number: 20150297802
    Abstract: The present invention is directed to a novel poly(diol citrates)-based bioceramic composite materials created using completely biodegradable and a bioceramic material polymers that may be used in implantable devices. More specifically, the specification describes methods and compositions for making and using bioceramic composites comprised of citric acid copolymers and a bioceramic material.
    Type: Application
    Filed: March 26, 2015
    Publication date: October 22, 2015
    Inventors: Guillermo Ameer, Hongjin Qiu, Jian Yang
  • Patent number: 9140908
    Abstract: Silicone hydrogel contact lenses are formed from the reaction product of a polymerizable composition comprising at least one hydrophilic vinyl amide-containing monomer, at least one acrylate-containing siloxane monomer, and at least one hydrophilic vinyl ether-containing monomer. The contact lenses have ophthalmically-acceptable surface wettability and can be manufactured without the use of volatile organic solvents.
    Type: Grant
    Filed: February 23, 2012
    Date of Patent: September 22, 2015
    Assignee: CooperVision International Holding Company, LP
    Inventors: Junhao Ge, Yuwen Liu, Charlie Chen, Yuan Xu, Ye Hong, Hongjin Qiu
  • Patent number: 8992967
    Abstract: The present invention is directed to a novel poly(diol citrates)-based bioceramic composite materials created using completely biodegradable and a bioceramic material polymers that may be used in implantable devices. More specifically, the specification describes methods and compositions for making and using bioceramic composites comprised of citric acid copolymers and a bioceramic material.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: March 31, 2015
    Assignee: Northwestern University
    Inventors: Guillermo Ameer, Hongjin Qiu, Jian Yang
  • Publication number: 20140155516
    Abstract: The present invention is directed to a novel poly(diol citrates)-based bioceramic composite materials created using completely biodegradable and a bioceramic material polymers that may be used in implantable devices. More specifically, the specification describes methods and compositions for making and using bioceramic composites comprised of citric acid copolymers and a bioceramic material.
    Type: Application
    Filed: October 24, 2013
    Publication date: June 5, 2014
    Applicant: Northwestern University
    Inventors: Guillermo Ameer, Hongjin Qiu, Jian Yang
  • Patent number: 8646907
    Abstract: A lens body comprising at least one form of boronic acid, boronic ester or boronic anhydride is provided. The lens body is contacted with a solution comprising at least one form of TRIS. A contact lens package including the contact lens, and methods of producing and using the contact lens, are also provided.
    Type: Grant
    Filed: September 21, 2010
    Date of Patent: February 11, 2014
    Assignee: CooperVision International Holding Company, LP
    Inventors: Yun Zhang, Charlie Chen, Peter Zhu, Ying Ye, Hongjin Qiu
  • Publication number: 20140016085
    Abstract: Silicone hydrogel contact lenses are formed from the reaction product of a polymerizable composition comprising at least one hydrophilic vinyl amide-containing monomer, at least one acrylate-containing siloxane monomer, and at least one hydrophilic vinyl ether-containing monomer. The contact lenses have ophthalmically-acceptable surface wettability and can be manufactured without the use of volatile organic solvents.
    Type: Application
    Filed: February 23, 2012
    Publication date: January 16, 2014
    Applicant: CooperVision International Holding Company, LP
    Inventors: Junhao Ge, Yuwen Liu, Charlie Chen, Yuan Xu, Ye Hong, Hongjin Qiu
  • Publication number: 20140009735
    Abstract: Silicone hydrogel contact lenses that are derived from a polymerizable composition including at least one siloxane monomer and at least one hydrophobic ethylene glycol methyl ether methacrylate-containing monomer, or at least one hydrophilic vinyl ether-containing monomer, or both, wherein, when the at least one hydrophobic ethylene glycol methyl ether methacrylate-containing monomer is present in the polymerizable composition, it is present in an amount of from 1 to 20 unit parts by weight, and when the at least one hydrophilic vinyl ether-containing monomer is present in the polymerizable composition, it is present in an amount of from 1 to 20 unit parts by weight, are described. Batches of silicone hydrogel contact lenses and methods of making silicone hydrogel contact lenses are also described.
    Type: Application
    Filed: February 23, 2012
    Publication date: January 9, 2014
    Inventors: Ying Zheng, Yuan Xu, Junhao Ge, Charles A. Francis, Yuan Sun, Yuwen Liu, Charlie Chen, Ye Hong, Hongjin Qiu, Li Yao, Arthur Back
  • Patent number: 8568765
    Abstract: The present invention is directed to a novel poly (diol citrates)-based bioceramic composite materials created using completely biodegradable and a bioceramic material polymers that may be used in implantable devices. More specifically, the specification describes methods and compositions for making and using bioceramic composites comprised of citric acid copolymers and a bioceramic material.
    Type: Grant
    Filed: December 1, 2011
    Date of Patent: October 29, 2013
    Assignee: Northwestern University
    Inventors: Guillermo Ameer, Hongjin Qiu, Jian Yang
  • Publication number: 20120225972
    Abstract: The present invention is directed to a novel poly (diol citrates)-based bioceramic composite materials created using completely biodegradable and a bioceramic material polymers that may be used in implantable devices. More specifically, the specification describes methods and compositions for making and using bioceramic composites comprised of citric acid copolymers and a bioceramic material.
    Type: Application
    Filed: December 1, 2011
    Publication date: September 6, 2012
    Applicant: NORTHWESTERN UNIVERSITY
    Inventors: Guillermo Ameer, Hongjin Qiu, Jian Yang
  • Publication number: 20120194779
    Abstract: A lens body comprising at least one form of boronic acid, boronic ester or boronic anhydride is provided. The lens body is contacted with a solution comprising at least one form of TRIS. A contact lens package including the contact lens, and methods of producing and using the contact lens, are also provided.
    Type: Application
    Filed: September 21, 2010
    Publication date: August 2, 2012
    Applicant: COOPERVISION INTERNATIONAL HOLDING COMPANY, LP
    Inventors: Yun Zhang, Charlie Chen, Peter Zhu, Ying Ye, Hongjin Qiu
  • Publication number: 20070224245
    Abstract: The present invention is directed to a novel poly (diol citrates)-based bioceramic composite materials created using completely biodegradable and a bioceramic material polymers that may be used in implantable devices. More specifically, the specification describes methods and compositions for making and using bioceramic composites comprised of citric acid copolymers and a bioceramic material.
    Type: Application
    Filed: February 8, 2007
    Publication date: September 27, 2007
    Applicant: NORTHWESTERN UNIVERSITY
    Inventors: Guillermo Ameer, Hongjin Qiu, Jian Yang