---
title: "Chanhen and its subsidiaries have obtained the invention patent certificate for the \"Fluorosilicic Acid Concentration Process.\""
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/257062222.md"
description: "Chanhen and its subsidiary Guangxi Pengyue Ecological Technology Co., Ltd. recently obtained an invention patent certificate issued by the National Intellectual Property Administration, with patent number ZL202310782879.9, related to the concentration process of fluosilicic acid. The patent application was filed on June 29, 2023, and the authorization announcement date is September 2, 2025, with the patent rights effective from the announcement date. This patent will help the company improve its intellectual property protection system and enhance its technological competitiveness"
datetime: "2025-09-12T08:59:21.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/257062222.md)
  - [en](https://longbridge.com/en/news/257062222.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/257062222.md)
---

# Chanhen and its subsidiaries have obtained the invention patent certificate for the "Fluorosilicic Acid Concentration Process."

Recently, Guizhou Chanhen Chemical Co., Ltd. and its holding subsidiary Guangxi Pengyue Ecological Technology Co., Ltd. received a patent certificate issued by the National Intellectual Property Administration. The patent number is ZL202310782879.9, titled "A Concentration Process for Fluorosilicic Acid," with a patent type of invention. The application date is June 29, 2023, and the authorization announcement date is September 2, 2025. The patent rights will take effect from the date of the authorization announcement. The acquisition of this patent helps to improve the company's intellectual property protection system, form an innovation mechanism, maintain technological leadership, and enhance core competitiveness. This announcement was released by the board of directors of Chanhen on September 13, 2025

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