Patents by Inventor Junming Zhao

Junming Zhao 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).

  • Terpolymerized corrosion and scale inhibitor used in circulating cooling water of central air conditioning and its preparation method
    Patent number: 9714181
    Abstract: A terpolymerized corrosion and scale inhibitor used in circulating cooling water of central air conditioning, containing tourmaline, polyaspartic acid, polyepoxysuccinic acid, polymaleic acid, etidronic acid, zinc salt, and the like, wherein the content of the tourmaline is 5-500 g/t (calculated based on solid form); the content of polyaspartic acid, polyepoxysuccinic acid, polymaleic acid and etidronic acid is 2-60 g/t (calculated based on liquid form); and the content of the zinc salt is 0.2-0.8 g/t (calculated based on solid form), is provided. Also disclosed is a method of preparing the terpolymerized corrosion and scale inhibitor used in circulating cooling water of central air conditioning.
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: July 25, 2017
    Assignee: GUANGZHOU SPECIAL PRESSURE EQUIPMENT INSPECTION AND RESEARCH INSTITUTE
    Inventors: Bo Yang, Maodong Li, Zhigang Chen, Weiwen Ye, Hua Li, Junming Zhao, Hui Zhang, Jinmei Lin, Wen Yu, Ming Zeng, Zongjie Yin, Juan Liu
  • TERPOLYMERIZED CORROSION AND SCALE INHIBITOR USED IN CIRCULATING COOLING WATER OF CENTRAL AIR CONDITIONING AND ITS PREPARATION METHOD
    Publication number: 20160326036
    Abstract: A terpolymerized corrosion and scale inhibitor used in circulating cooling water of central air conditioning, containing tourmaline, polyaspartic acid, polyepoxysuccinic acid, polymaleic acid, etidronic acid, zinc salt, and the like, wherein the content of the tourmaline is 5-500 g/t (calculated based on solid form); the content of polyaspartic acid, polyepoxysuccinic acid, polymaleic acid and etidronic acid is 2-60 g/t (calculated based on liquid form); and the content of the zinc salt is 0.2-0.8 g/t (calculated based on solid form), is provided. Also disclosed is a method of preparing the terpolymerized corrosion and scale inhibitor used in circulating cooling water of central air conditioning.
    Type: Application
    Filed: December 29, 2014
    Publication date: November 10, 2016
    Inventors: Bo Yang, Maodong Li, Zhigang Chen, Weiwen Ye, Hua Li, Junming Zhao, Hui Zhang, Jinmei Lin, Wen Yu, Ming Zeng, Zongjie Yin, Juan Liu