Patents by Inventor Haima Ai

Haima Ai 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: 9359370
    Abstract: The invention relates to 4-[(3-ethynylphenyl)amino]-6,7-benzo-12-crown-quinazoline hydrochloride, its new crystalline forms, its therapeutic usage for treatment of diseases mediated by EGFR kinase and its combinatory therapeutic usage together with other therapeutic agents. The invention also provides synthetic methods for preparation of 4-[(3-ethynylphenyl)amino]-6,7-benzo-12-crown-quinazoline hydrochloride, its new crystalline forms, and the relevant synthetic intermediates for synthesis of 4-[(3-ethynylphenyl)amino]-6,7-benzo-12-crown-quinazoline hydrochloride.
    Type: Grant
    Filed: July 31, 2014
    Date of Patent: June 7, 2016
    Assignee: Beta Pharma, Inc.
    Inventors: Yinxiang Wang, Guojian Xie, Lieming Ding, Fenlai Tan, Yunyan Hu, Wei He, Bin Han, Wei Long, Yong Liu, Haima Ai, Charles Davis, Don Zhang
  • Publication number: 20140343082
    Abstract: The invention relates to 4-[(3-ethynylphenyl)amino]-6,7-benzo-12-crown-quinazoline hydrochloride, its new crystalline forms, its therapeutic usage for treatment of diseases mediated by EGFR kinase and its combinatory therapeutic usage together with other therapeutic agents. The invention also provides synthetic methods for preparation of 4-[(3-ethynylphenyl)amino]-6,7-benzo-12-crown-quinazoline hydrochloride, its new crystalline forms, and the relevant synthetic intermediates for synthesis of 4-[(3-ethynylphenyl)amino]-6,7-benzo-12-crown-quinazoline hydrochloride.
    Type: Application
    Filed: July 31, 2014
    Publication date: November 20, 2014
    Inventors: Yinxiang Wang, Guojian Xie, Lieming Ding, Fenlai Tan, Yunyan Hu, Wei He, Bin Han, Wei Long, Yong Liu, Haima Ai, Charles Davis, Don Zhang
  • Patent number: 8822482
    Abstract: The invention relates to 4-[(3-ethynylphenyl)amino]-6,7-benzo-12-crown-quinazoline hydrochloride, its new crystalline forms, its therapeutic usage for treatment of diseases mediated by EGFR kinase and its combinatory therapeutic usage together with other therapeutic agents. The invention also provides synthetic methods for preparation of 4-[(3-ethynylphenyl)amino]-6,7-benzo-12-crown-quinazoline hydrochloride, its new crystalline forms, and the relevant synthetic intermediates for synthesis of 4-[(3-ethynylphenyl)amino]-6,7-benzo-12-crown-quinazoline hydrochloride.
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: September 2, 2014
    Assignee: Beta Pharma, Inc.
    Inventors: Yinxiang Wang, Guojian Xie, Lieming Ding, Fenlai Tan, Yunyan Hu, Wei He, Bin Han, Wei Long, Yong Liu, Haima Ai, Charles Davis, Don Zhang
  • Publication number: 20110182882
    Abstract: The invention relates to 4-[(3-ethynylphenyl)amino]-6,7-benzo-12-crown-quinazoline hydrochloride, its new crystalline forms, its therapeutic usage for treatment of diseases mediated by EGFR kinase and its combinatory therapeutic usage together with other therapeutic agents. The invention also provides synthetic methods for preparation of 4-[(3-ethynylphenyl)amino]-6,7-benzo-12-crown-quinazoline hydrochloride, its new crystalline forms, and the relevant synthetic intermediates for synthesis of 4-[(3-ethynylphenyl)amino]-6,7-benzo-12-crown-quinazoline hydrochloride.
    Type: Application
    Filed: July 7, 2009
    Publication date: July 28, 2011
    Applicant: Beta Pharma, Inc.
    Inventors: Yinxiang Wang, Guojian Xie, Lieming Ding, Fenlai Tan, Yunyan Hu, Wei He, Bin Han, Wei Long, Yong Liu, Haima Ai, Charles Davis, Don Zhang