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| (Source: REC Silicon) |
Hanwha International LLC has accepted 20 U.S. silicon patents as collateral from REC Silicon Inc. and REC Advanced Silicon Materials LLC under a collateralization agreement executed in January 2025.
The patents, which span a range of technologies, relate to the production of silane-based, high-purity silicon materials and the processing of associated chemical compounds. They cover technical applications in:
-Silicon manufacturing and processing
-Fluidized bed reactor technology (for improved chemical reactions and particle management)
-Process optimization and quality improvement
-Design of special high-temperature and wear-resistant components
-Process control and materials handling
REC Silicon Inc. and REC Advanced Silicon Materials LLC, the entities providing the patents as collateral, serve as the U.S. subsidiaries of REC Silicon ASA. Headquartered in Norway, REC Silicon ASA is a producer of silane-based, high-purity silicon materials that supply critical inputs to the solar and electronics industries.
The transaction aligns with Hanwha's broader corporate strategy. Hanwha International LLC, along with its domestic holding entity Hanwha International Corp.—each 100% owned by Hanwha—continues to expand its influence through strategic asset-backed financing. As of June 2024, Hanwha Solutions Corporation holds a 21.33% stake in REC Silicon ASA, with Hanwha as its largest shareholder, further cementing the integrated relationship between Hanwha and REC Silicon.
Below is the list of the 20 U.S. silicon patents pledged as collateral by REC Silicon Inc. and REC Advanced Silicon Materials LLC (Source: USPTO):
Patent Application Invention title
8926929 12685536 METHOD AND APPARATUS FOR PRODUCING GRANULAR SILICON
8075692 12948557 FLUID BED REACTOR
9023425 13510922 FLUID BED REACTOR
9463982 13656591 FOULING REDUCTION IN HYDROCHLOROSILANE PRODUCTION
9587993 13670200 PROBE ASSEMBLY FOR A FLUID BED REACTOR
9352971 13918609 METHOD AND APPARATUS FOR PRODUCTION OF SILANE AND HYDROHALOSILANES
9212421 13939067 METHOD AND APPARATUS TO REDUCE CONTAMINATION OF PARTICLES IN A FLUIDIZED BED REACTOR
9580327 14178103 METHOD AND APPARATUS FOR CONSOLIDATION OF GRANULAR SILICON AND MEASURING NON-METALS CONTENT
9695052 14321700 RECOVERY OF HYDROHALOSILANES FROM REACTION RESIDUES
9446367 14461233 JOINT DESIGN FOR SEGMENTED SILICON CARBIDE LINER IN A FLUIDIZED BED REACTOR
9662628 14461307 NON-CONTAMINATING BONDING MATERIAL FOR SEGMENTED SILICON CARBIDE LINER IN A FLUIDIZED BED REACTOR
9238211 14461329 SEGMENTED SILICON CARBIDE LINER
9404177 14462048 OBSTRUCTING MEMBER FOR A FLUIDIZED BED REACTOR
9254470 14512308 SEGMENTED LINER AND TRANSITION SUPPORT RING FOR USE IN A FLUIDIZED BED REACTOR
9440262 14536496 APPARATUS AND METHOD FOR SILICON POWDER MANAGEMENT
10287171 15147792 HUMIDIFIED SWEEP GAS FOR DEDUSTING PROCESS
9682404 15147859 METHOD AND APPARATUS FOR SEPARATING FINE PARTICULATE MATERIAL FROM A MIXTURE OF COARSE PARTICULATE MATERIAL AND FINE PARTICULATE MATERIAL
10040637 15333652 OSCILLATORY FEEDER
10407310 15416291 SYSTEM FOR REDUCING AGGLOMERATION DURING ANNEALING OF FLOWABLE, FINELY DIVIDED SOLIDS
11117112 16833446 PRESSURE-BASED CONTROL OF FLUIDIZED BED REACTOR
By PatenTrip
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