Patents by Inventor Junfang Pan

Junfang Pan 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: 20150057305
    Abstract: Disclosed in the present invention is a pharmaceutical composition, comprising a weight ratio of 1:120 to 1:1000 of camptothecin compound of formula I and ?-cyclodextrin or derivatives thereof, and an acidic buffer to adjust the pH=3.5-6.0. The composition can be used to treat solid tumours, such as melanoma, pancreatic cancer, hepatoma etc. The pharmaceutical composition of the present invention is miscible with a water-miscible co-solvent system in any proportion, and can be used as an intravenous infusion solvent, and has no obvious hemolysis or vascular stimulation; the pharmaceutical composition has a better tumour inhibiting rate than solubilisation of surfactants.
    Type: Application
    Filed: March 12, 2013
    Publication date: February 26, 2015
    Inventors: Kaiyong Tang, Junfang Pan, Qin Zhu, Tong Fang, Chengcheng Niu, Wanhai Li, Wei Lv, Chen Qing, Guorong Fan
  • Patent number: 8299125
    Abstract: The invention discloses water-soluble triterpenephenol compounds having antitumor activity represented by formula (I), wherein the substituents R1˜R4 and M are defined as in the description. The invention also discloses a method for preparing the compounds of formula (I) used quinone methide triterpene compounds as starting materials. The water-soluble triterpenephenol compounds disclosed in the invention can be made into various dosage forms including injection, tablet, capsule, granule and liniment, particularly suitable for making into injection.
    Type: Grant
    Filed: November 5, 2008
    Date of Patent: October 30, 2012
    Assignee: Shanghai Huatuo Medical Science Co., Ltd.
    Inventors: Jiafeng Zeng, Junfang Pan, Baoying Li, Qin Zhu, Tong Fang, Huiyan Ni
  • Publication number: 20100267983
    Abstract: The invention discloses water-soluble triterpenephenol compounds having antitumor activity represented by formula (I), wherein the substituents R1˜R4 and M are defined as in the description. The invention also discloses a method for preparing the compounds of formula (I) used quinone methide triterpene compounds as starting materials. The water-soluble triterpenephenol compounds disclosed in the invention can be made into various dosage forms including injection, tablet, capsule, granule and liniment, particularly suitable for making into injection.
    Type: Application
    Filed: November 5, 2008
    Publication date: October 21, 2010
    Applicant: SHANGHAI HUATUO MEDICAL SCIENCE CO., LTD
    Inventors: Jiafeng Zeng, Junfang Pan, Baoying Li, Qin Zhu, Tong Fang, Huiyan Ni