Patents by Inventor Zhengming Du

Zhengming Du 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: 12233069
    Abstract: Provided are an oral solid tablet comprising (S)-7-[4-(1-acryloylpiperidine)]-2-(4-phenoxyphenyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carboxamide and preparation method therefor. The oral solid tablet has good drug release characteristics, features easy administration, quick and high-efficient release, no particular requirements on equipment, and a simple formulation preparation process, can ensure formulation stability and facilitate transportation and storage, and is suitable for large-scale production.
    Type: Grant
    Filed: November 13, 2023
    Date of Patent: February 25, 2025
    Assignee: BeiGene Switzerland GmbH
    Inventors: Gang Qiu, Yiwei Shen, Wenyuan Fan, Shuo Xu, Huiru Lv, Jialin Bian, Zhengming Du
  • Publication number: 20250042909
    Abstract: The present invention relates to salts of a HPK1 inhibitor (referred to as “Compound A” hereinafter), preferably citrate, and the crystalline forms thereof. The present invention also relates to the process of preparation and uses of the salts and crystalline forms of Compound A.
    Type: Application
    Filed: October 23, 2024
    Publication date: February 6, 2025
    Applicant: BeiGene, Ltd.
    Inventors: Hui Chen, Sanjia Xu, Jing Li, Zhengming Du, Zhiwei Wang
  • Publication number: 20240075039
    Abstract: Provided are an oral solid tablet comprising (S)-7-[4-(1-acryloylpiperidine)]-2-(4-phenoxyphenyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carboxamide and preparation method therefor. The oral solid tablet has good drug release characteristics, features easy administration, quick and high-efficient release, no particular requirements on equipment, and a simple formulation preparation process, can ensure formulation stability and facilitate transportation and storage, and is suitable for large-scale production.
    Type: Application
    Filed: November 13, 2023
    Publication date: March 7, 2024
    Inventors: Gang QIU, Yiwei SHEN, Wenyuan FAN, Shuo XU, Huiru LV, Jialin BIAN, Zhengming DU
  • Publication number: 20220249491
    Abstract: Provided are an oral solid tablet comprising (S)-7-[4-(1-acryloylpiperidine)]-2-(4-phenoxyphenyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carboxamide and preparation method therefor. The oral solid tablet has good drug release characteristics, features easy administration, quick and high-efficient release, no particular requirements on equipment, and a simple formulation preparation process, can ensure formulation stability and facilitate transportation and storage, and is suitable for large-scale production.
    Type: Application
    Filed: June 10, 2020
    Publication date: August 11, 2022
    Inventors: Gang QIU, Yiwei SHEN, Wenyuan FAN, Shuo XU, Huiru LV, Jialin BIAN, Zhengming DU
  • Publication number: 20220233550
    Abstract: The present invention relates to a PARP inhibitor pellet composition and a preparation process therefor. The pellet composition comprises a pellet and an optional additional excipient, with the pellet comprising (1) a pellet core; (2) a drug-containing layer and (3) an optional protective layer, wherein the drug-containing layer contains (a) an active ingredient and (b) a binder; when the composition comprises the protective layer, the protective layer contains (c) a coating material; and the active ingredient is (R)-2-fluoro-10a-methyl-7,8,9,10,10a,11-hexahydro-5,6,7a,11-tetraazacyclohepta[def]cyclopenta[a]fluoren-4(5H)-one, a pharmaceutically acceptable salt thereof and a hydrate thereof.
    Type: Application
    Filed: May 29, 2020
    Publication date: July 28, 2022
    Inventors: Yuanjing GUO, Yiping WANG, Wenyuan FAN, Zhengming DU, Gang QIU, Shuo XU, Huiru LV
  • Patent number: 9067896
    Abstract: The present technology provides novel anhydrous and hydrated crystalline forms of 3-(2,6-dichloro-3,5-dimethoxy-phenyl)-1-{6-[4-(4-ethyl-piperazin-1-yl)-phenylamino]-pyrimidin-4-yl}-1-methyl-urea, amorphous and anhydrous crystalline polymorphs of its monophosphoric acid salt, and the hydrochloride salt, including its dihydrate. The present technology further provides methods for preparing the various forms, compositions containing them, and methods of treatment employing them.
    Type: Grant
    Filed: December 6, 2010
    Date of Patent: June 30, 2015
    Assignee: Novartis AG
    Inventors: Joerg Berghausen, Prasad K Kapa, Joseph McKenna, Joel Slade, Raeann Wu, Zhengming Du, Frank Stowasswer
  • Patent number: 8748435
    Abstract: The present invention relates to pyrazolo pyrimidine derivatives, to methods of preparing these, to combinations and pharmaceutical composition comprising these, and to their use in the treatment of diseases and disorders which may for example involve autoimmune diseases, angiogenesis, pain, and/or inflammatory diseases.
    Type: Grant
    Filed: March 26, 2012
    Date of Patent: June 10, 2014
    Assignee: Novartis AG
    Inventors: Wolfgang Miltz, Berndt Oberhauser, Andrea Vaupel, Juraj Velcicky, Klaus Weigand, Rajender Reddy Leleti, Yugang Liu, Zhengming Du
  • Publication number: 20120252778
    Abstract: The present invention relates to pyrazolo pyrimidine derivatives, to methods of preparing these, to combinations and pharmaceutical composition comprising these, and to their use in the treatment of diseases and disorders which may for example involve autoimmune diseases, angiogenesis, pain, and/or inflammatory diseases.
    Type: Application
    Filed: March 26, 2012
    Publication date: October 4, 2012
    Applicant: NOVARTIS AG
    Inventors: Wolfgang MILTZ, Berndt OBERHAUSER, Andrea VAUPEL, Juraj VELCICKY, Klaus WEIGAND, Rajender Reddy LELETI, Yugang LIU, Zhengming DU
  • Publication number: 20120245182
    Abstract: The present technology provides novel anhydrous and hydrated crystalline forms of 3-(2,6-dichloro-3,5-dimethoxy-phenyl)-1-{6-[4-(4-ethyl-piperazin-1-yl)-phenylamino]-pyrimidin-4-yl}-1-methyl-urea, amorphous and anhydrous crystalline polymorphs of its monophosphoric acid salt, and the hydrochloride salt, including its dihydrate. The present technology further provides methods for preparing the various forms, compositions containing them, and methods of treatment employing them.
    Type: Application
    Filed: December 6, 2010
    Publication date: September 27, 2012
    Inventors: Joerg Berghausen, Prasad K. Kapa, Joseph McKenna, Joel Slade, Raeann Wu, Zhengming Du, Frank Stowasswer