Patents by Inventor Dongqin Quan

Dongqin Quan 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).

  • Injectable Sustained-Release Pharmaceutical Formulation and the Preparation Method Thereof
    Publication number: 20110091420
    Abstract: Disclosed are an injectable sustained-release pharmaceutical formulation and a process for preparing the same. In some embodiments, the formulation comprises an active ingredient in a therapeutically effective amount, an amphipathic molecule, an organic acid and/or a salt thereof which is hardly soluble in water, and an oily solvent. The injectable sustained-release pharmaceutical formulation provides a good sustained-release effect for various active ingredients, in particular peptides, proteins, nucleic acids and saccharides.
    Type: Application
    Filed: March 20, 2009
    Publication date: April 21, 2011
    Applicants: Institute of Pharmacology and Toxicology, Academy of Military Medical Sciences, People Liberation Ar, Chengdu Yiping Pharmaceutical Science Development Co., Ltd.
    Inventors: Keliang Liu, Dongqin Quan, Yuanjun Liang, Qingbin Meng, Chenhong Wang, Junlin He, Qiyan Jia, Sicheng Li