Patents by Inventor Chengjun Ma

Chengjun Ma 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: 9133161
    Abstract: Provided herein are processes for preparing an isoindoline-1,3-dione compound, or an enantiomer or a mixture of enantiomers thereof; or a pharmaceutically acceptable salt, solvate, hydrate, or polymorph thereof.
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: September 15, 2015
    Assignee: Celgene Corporation
    Inventors: John F. Traverse, Gregg Brian Feigelson, Alexander L. Ruchelman, Jihong Liu, Hongfeng Liu, Chengjun Ma, Danyang Liu, Shunxiang Zhang
  • Publication number: 20140031552
    Abstract: Provided herein are processes for preparing an isoindoline-1,3-dione compound, or an enantiomer or a mixture of enantiomers thereof; or a pharmaceutically acceptable salt, solvate, hydrate, or polymorph thereof.
    Type: Application
    Filed: July 26, 2013
    Publication date: January 30, 2014
    Applicant: Celgene Corporation
    Inventors: John F. TRAVERSE, Gregg Brian FEIGELSON, Alexander L. RUCHELMAN, Jihong LIU, Liu HONGFENG, Chengjun MA, Danyang LIU, Steven ZHANG
  • Patent number: 6753010
    Abstract: The present invention relates to a soft gelation capsule containing angelica essential oil which consists of capsule material and medicinal oil. Wherein the medicinal oil consists of angelica essential oil and vegetable oil with a weight ratio of 1:0-30. The capsule materials consist of gelatin, glycerol, water and Fe2O3. Among them angelica essential oil is preferably prepared with the method of CO2-supercritical extraction. The soft gelation capsule containing angelica essential oil retains ligustilide as a principal active constituent in angelica essential oil with a maximal limitation.
    Type: Grant
    Filed: March 1, 2001
    Date of Patent: June 22, 2004
    Assignee: Shandong Luye Phamaceutical Co., Ltd.
    Inventors: Ke Liu, Guisheng Li, Chengjun Ma, Sheng Yan, Xiangyu Li
  • Publication number: 20020090393
    Abstract: The present invention relates to a soft gelation capsule containing angelica essential oil which consists of capsule material and medicinal oil. Wherein the medicinal oil consists of angelica essential oil and vegetable oil with a weight ratio of 1:0-30. The capsule materials consist of gelatin, glycerol, water and Fe2O3. Among them angelica essential oil is preferably prepared with the method of CO2-supercritical extraction. The soft gelation capsule containing angelica essential oil retains ligustilide as a principal active constituent in angelica essential oil with a maximal limitation.
    Type: Application
    Filed: March 1, 2001
    Publication date: July 11, 2002
    Inventors: Ke Liu, Guisheng Li, Chengjun Ma, Sheng Yan, Xiangyu Li