GENEVA, July 9 -- POLAR SAPPHIRE LTD. filed a patent application (IB2025/063417) for “SPRAY CALCINATION AND DRYING PROCESS TO PRODUCE HIGH-PURITY ALUMINA”. With publication no. WO/2026/146387, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: C01F 7/02
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
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