The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 25, 2017
Filed:
Dec. 29, 2014
Guangzhou Special Pressure Equipment Inspection and Research Institute, Guangzhou, CN;
Bo Yang, Guangzhou, CN;
Maodong Li, Guangzhou, CN;
Zhigang Chen, Guangzhou, CN;
Weiwen Ye, Guangzhou, CN;
Hua Li, Guangzhou, CN;
Junming Zhao, Guangzhou, CN;
Hui Zhang, Guangzhou, CN;
Jinmei Lin, Guangzhou, CN;
Wen Yu, Guangzhou, CN;
Ming Zeng, Guangzhou, CN;
Zongjie Yin, Guangzhou, CN;
Juan Liu, Guangzhou, CN;
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.