Patents by Inventor Zhihua Qiu

Zhihua 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).

  • Publication number: 20220073631
    Abstract: Provided are antibodies and fragments against human interleukin-4 receptor alpha (hIL-4R?) and uses thereof. The antibodies and fragments preferably have heavy chain complementary determining regions as set forth in SEQ ID NOs: 1-3 or 14-16 and light chain complementary determining regions as set forth in SEQ ID NOs: 4-6 or 17-19.
    Type: Application
    Filed: December 25, 2019
    Publication date: March 10, 2022
    Applicant: QYUNS THERAPEUTICS CO., LTD.
    Inventors: Jiwan QIU, Wei CHEN, Zhihua QIU, Huaiyao QIAO, Yiliang WU
  • Publication number: 20210230264
    Abstract: Disclosed by the present invention are an anti-human interleukin 17A monoclonal antibody and an application thereof. The epitope of the monoclonal antibody binding to human interleukin 17A comprises 78th asparagine (N78). The antibody may be used to treat rheumatoid arthritis, psoriasis, multiple sclerosis, psoriatic arthritis, plaque psoriasis and/or ankylosing spondylitis.
    Type: Application
    Filed: May 17, 2018
    Publication date: July 29, 2021
    Applicant: JIANGSU QYUNS THERAPEUTICS CO., LTD.
    Inventors: Jiwan QIU, Zhihua QIU, Wei CHEN, Tao CHEN, Yong KONG, Yiliang WU
  • Publication number: 20030096378
    Abstract: The present invention provides a rapid and efficient method for the preparation and isolation of biologically active polysaccharides from Aloe. The present invention includes the activated mixture of polysaccharides (referred to herein as “Immuno-10”), produced by the methods of the invention. The invention also includes the use of the polysaccharides as immunostimulating, immunomodulating and wound healing agents. The resulting immunomodulatory complex has a higher activity and is more stable than bulk carbohydrates isolated using prior art alcohol precipitation schemes.
    Type: Application
    Filed: January 2, 2002
    Publication date: May 22, 2003
    Applicant: Univera Pharmaceuticals, Inc.
    Inventors: Zhihua Qiu, Belaid Mahiou, Abeysinghe A. Padmapriya, Tom Farrow
  • Patent number: 6436679
    Abstract: The present invention provides a rapid and efficient method for the preparation and isolation of biologically active polysaccharides from Aloe. The present invention includes the activated mixture of polysaccharides (referred to herein as “Immuno-10”), produced by the methods of the invention. The invention also includes the use of the polysaccharides as immunostimulating, immunomodulating and wound healing agents. The resulting imrnunomodulatory complex has a higher activity and is more stable than bulk carbohydrates isolated using prior art alcohol precipitation schemes.
    Type: Grant
    Filed: April 21, 1999
    Date of Patent: August 20, 2002
    Assignee: Unigen Pharmaceuticals, Inc.
    Inventors: Zhihua Qiu, Belaid Mahiou
  • Patent number: 6271214
    Abstract: The present invention provides a rapid and efficient method for the preparation and isolation of biologically active polysaccharides from Aloe. The present invention includes the activated mixture of polysaccharides (referred to herein as “Inmuno-10”), produced by the methods of the invention. The invention also includes the use of the polysaccharides as immunostimulating, immunomodulating and wound healing agents. The resulting immunomodulatory complex has a higher activity and is more stable than bulk carbohydrates isolated using prior art alcohol precipitation schemes.
    Type: Grant
    Filed: April 21, 1999
    Date of Patent: August 7, 2001
    Assignee: Univera Pharmaceuticals, Inc.
    Inventors: Zhihua Qiu, Belaid Mahiou
  • Publication number: 20010000731
    Abstract: The present invention provides a method for the prevention and treatment of chronic venous insufficiency. Specifically, the present invention provides a method for the prevention and treatment of varicose veins, particularly hemorrhoids by application of an effective amount of an isoquinoline alkaloid. Included in this invention is an improved method for isolating and purifying alkaloids, particularly isoquinoline alkaloids from plants.
    Type: Application
    Filed: December 19, 2000
    Publication date: May 3, 2001
    Inventors: Qi Jia, Zhihua Qiu, Ajith Nissanka, Belaid Mahiou, Thomas M. Farrow
  • Patent number: 6210680
    Abstract: The present invention provides a method for the prevention and treatment of chronic venous insufficiency. Specifically, the present invention provides a method for the prevention and treatment of varicose veins, particularly hemorrhoids by application of an effective amount of an isoquinoline alkaloid. Included in this invention is an improved method for isolating and purifying alkaloids, particularly isoquinoline alkaloids from plants.
    Type: Grant
    Filed: June 11, 1999
    Date of Patent: April 3, 2001
    Assignee: Univera Pharmaceuticals, Inc.
    Inventors: Qi Jia, Zhihua Qiu, Ajith Nissanka, Belaid Mahiou, Thomas M. Farrow
  • Patent number: 6133440
    Abstract: The present invention provides a rapid and efficient method for the preparation and isolation of biologically active polysaccharides from Aloe. The present invention includes the activated mixture of polysaccharides (referred to herein as "Immuno-10"), produced by the methods of the invention. The invention also includes the use of the polysaccharides as immunostimulating, immunomodulating and wound healing agents. The resulting immunomodulatory complex has a higher activity and is more stable than bulk carbohydrates isolated using prior art alcohol precipitation schemes.
    Type: Grant
    Filed: October 9, 1998
    Date of Patent: October 17, 2000
    Assignee: Univera Pharmaceuticals, Inc.
    Inventors: Zhihua Qiu, Belaid Mahiou