Patent Certificate

The company has currently obtained 74 patents, including 7 invention patents.

Serial
Number
Patent Title
Patent
Number
Authorization
Time
Patent
Type
1
A device for centralized treatment of waste gas
and wastewater, and its treatment method
202310902884.9
2024-02-20
Invention
Patent
2
A method for preparing spherical nano- barium
carbonate that facilitates solid-liquid separation
202310641015.5
2024-01-30
Invention
Patent
3
A method for preparing high-purity
spherical nano-barium carbonate
202310502764.X
2023-12-29
Invention
Patent
4
A system for online purification of sintering flue gas
and simultaneous recovery of waste heat,
based on vertical sintering process
202010190249.9
2021-09-14
Invention
Patent
5
Production Method of High-Purity
Electronic-Grade Barium Carbonate
200810047870.9
2010-11-03
Invention
Patent
6
A method for preparing high-purity
electronic-grade rutile titanium dioxide
201410101426.6
2015-11-18
Invention
Patent
7
A method for preparing nanoscale
barium carbonate
201410122876.3
2015-04-01
Invention
Patent