Patents by Inventor Zhiyong PAN

Zhiyong 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).

  • Method for separating 2-alkylanthracenes and use thereof for producing hydrogen peroxide
    Publication number: 20220177392
    Abstract: A method for preparing 2-alkylanthracene includes the step of separating 2-alkylanthracene from a reaction product of anthracene alkylation reaction. The anthracene alkylation reaction is a reaction of anthracene and an alkylation reagent under an alkylation condition and in the presence of an alkylation reaction solvent and a catalyst. The reaction product of the anthracene alkylation reaction contains anthracene and the product of a series of alkylanthracenes containing 2-alkylanthracene.
    Type: Application
    Filed: March 10, 2020
    Publication date: June 9, 2022
    Inventors: Baoning ZONG, Bo ZHENG, Zhenxing ZHU, Zhiyong PAN, Siyuan QIE, Guohua GAO, Jianqi FEI, Junyi MAO, Xiaojin TANG, Lifeng HU, Zheng LIU
  • Quinazoline heterocyclic compound as EGFR kinase inhibitor and preparation and application thereof
    Patent number: 10106508
    Abstract: The present invention relates to an N-substituted-phenyl-5-substituted-alkoxy-2,3-dihydro-[1,4]dioxane[2,3-f]quinazolin-10-amine (I) or 4-substituted-arylamino-6-substituted-alkyl-6H-[1,4]oxazino[3,2-g]quinazoline-7(8H)-one (II) type compounds, a preparation method thereof and an application thereof as an inhibitor for epidermal growth factor receptor (EGFR) (comprising some mutant forms of EGFR) to treat cancer. These compounds and salts thereof can be used to treat or prevent various cancer diseases.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: October 23, 2018
    Assignee: BEIJING SCITECH-MQ PHARMACEUTICALS LIMITED
    Inventors: Wang Sheng, Leifu Yang, Zhiyong Pan
  • QUINAZOLINE HETEROCYCLIC COMPOUND AS EGFR KINASE INHIBITOR AND PREPARATION AND APPLICATION THEREOF
    Publication number: 20170355683
    Abstract: The present invention relates to an N-substituted-phenyl-5-substituted-alkoxy-2,3-dihydro-[1,4]dioxane[2,3-f]quinazolin-10-amine (I) or 4-substituted-arylamino-6-substituted-alkyl-6H-[1,4]oxazino[3,2-g]quinazoline-7(8H)-one (II) type compounds, a preparation method thereof and an application thereof as an inhibitor for epidermal growth factor receptor (EGFR) (comprising some mutant forms of EGFR) to treat cancer. These compounds and salts thereof can be used to treat or prevent various cancer diseases.
    Type: Application
    Filed: January 12, 2016
    Publication date: December 14, 2017
    Applicant: BEIJING SCITECH-MQ PHARMACEUTICALS LIMITED
    Inventors: Wang SHENG, Leifu YANG, Zhiyong PAN