INTERNATIONAL PATENT: ZHONG BLUE CHANGHUA ENGINEERING TECHNOLOGY CO., LTD., 中蓝长化工程科技有限公司 FILES APPLICATION FOR "METHOD FOR PREPARING POTASSIUM SULFATE USING UNDERGROUND PRIMARY SULFUR-RICH POTASSIUM-CONTAINING MINERALS"

GENEVA, March 22 -- ZHONG BLUE CHANGHUA ENGINEERING TECHNOLOGY CO., LTD. (No.360 Taohuaduan Road, Dongjingpu, Yuhua DistrictChangsha, Hunan 410116), 中蓝长化工程科技有限公司 (中国湖南省长沙市雨花区洞井铺桃花塅路360号) filed a patent application (PCT/CN2024/132634) for "METHOD FOR PREPARING POTASSIUM SULFATE USING UNDERGROUND PRIMARY SULFUR-RICH POTASSIUM-CONTAINING MINERALS" on Nov 18, 2024. With publication no. WO/2026/056101, the details related to the patent application was published on Mar 19, 2026.

Notably, the patent application was submitted under th...