Patents by Inventor Iching Grace Yu

Iching Grace Yu 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).

  • Crystalline forms of quinolone analogs and their salts
    Patent number: 9957282
    Abstract: The present invention includes crystalline forms of 2-(4-Methyl-[1,4]diazepan-1-yl)-5-oxo-5H-7-thia-1,11b-diaza-benzo[c]fluorene-6-carboxylic acid (5-methyl-pyrazin-2-ylmethyl)-amide and crystalline forms of salts and/or solvates of 2-(4-Methyl-[1,4]diazepan-1-yl)-5-oxo-5H-7-thia-1,11b-diaza-benzo[c]fluorene-6-carboxylic acid (5-methyl-pyrazin-2-ylmethyl)-amide. Furthermore, the present invention provides compositions comprising the crystalline forms and therapeutic use of the crystalline forms and the compositions thereof.
    Type: Grant
    Filed: December 14, 2015
    Date of Patent: May 1, 2018
    Assignee: SENHWA BIOSCIENCES, INC.
    Inventors: David M. Ryckman, Iching Grace Yu, Hshiou-ting Liu
  • CRYSTALLINE FORMS OF QUINOLONE ANALOGS AND THEIR SALTS
    Publication number: 20170166590
    Abstract: The present invention includes crystalline forms of 2-(4-Methyl-[1,4]diazepan-1-yl)-5-oxo-5H-7-thia-1,11b-diaza-benzo[c]fluorene-6-carboxylic acid (5-methyl-pyrazin-2-ylmethyl)-amide and crystalline forms of salts and/or solvates of 2-(4-Methyl-[1,4]diazepan-1-yl)-5-oxo-5H-7-thia-1,11b-diaza-benzo[c]fluorene-6-carboxylic acid (5-methyl-pyrazin-2-ylmethyl)-amide. Furthermore, the present invention provides compositions comprising the crystalline forms and therapeutic use of the crystalline forms and the compositions thereof.
    Type: Application
    Filed: December 14, 2015
    Publication date: June 15, 2017
    Inventors: David M. Ryckman, Iching Grace Yu, Hshiou-ting Liu