Market Context — Why This Technology, Why Now

Global industries face increasing pressure to adopt circular economy principles and meet stringent ESG targets. The push for decarbonization and resource independence, particularly in the US, EU, and APAC, mandates innovative recycling solutions for critical raw materials. This technology offers a timely response by reducing the energy footprint and CO2 emissions associated with metal recovery, aligning with global sustainability mandates and enhancing corporate environmental performance. It supports the transition to localized, resilient supply chains for strategic metals.

Key Competitive Advantages
01

Reduces energy costs by up to ~30% by lowering the decomposition temperature from conventional high-heat processes, potentially decreasing equipment load and significantly optimizing operational expenses.

02

Enables high-purity and efficient recovery of transition metals from oxalates through mixed heating with specific amines, maximizing the value of recycled resources.

03

Contributes to reducing CO2 emissions during decomposition and lowering wastewater treatment burden, supporting corporate Green Transformation (GX) strategies and improving environmental performance.

Market Opportunity
Battery & Electronics Recycling
$6.5B globally (AI est.)
The recycling market for rare and transition metals is rapidly expanding due to growing demand for EV batteries and electronic components. This technology enables high-efficiency recovery, accelerating market growth.
EV battery manufacturers Consumer electronics recyclers Critical mineral refiners
Catalyst Recycling
$3.5B globally (AI est.)
The recovery of precious and transition metals from automotive and industrial catalysts is increasingly important for resource utilization and environmental impact reduction. This technology could enhance recovery efficiency.
Automotive catalyst manufacturers Industrial catalyst producers Precious metal refiners
Chemical & Advanced Materials Manufacturing
$20B globally (AI est.)
Stable supply of high-quality metal raw materials is a source of competitive advantage in manufacturing high-performance materials and chemical products using transition metals. This technology addresses that need.
Specialty chemical producers Advanced material developers Pigment and coating manufacturers
IP Defensibility — Why Competitors Can't Replicate This
What This Patent Covers

This patent protects a clear technical scope, specifically a method for decomposing oxalates with a coordination polymer structure by heating them in a mixture containing a primary amino group amine. The patent successfully overcame two office actions and eight cited prior art documents during examination, indicating its unique inventiveness and robust, stable protection.

Competitive White Space

This patent focuses on the decomposition method using specific amines. White space exists in novel upstream oxalate synthesis, advanced downstream metal purification techniques, or alternative catalytic decomposition pathways not involving primary amino groups.

Economic Impact
~$0.5M/year estimated cost reduction per facility (est.)
estimated ROI · USD · AI analysis
ROI Calculation Logic

This low-temperature decomposition technology could reduce annual energy costs (for heating fuel and electricity) by approximately 30% compared to conventional high-temperature thermolysis processes. For example, a manufacturing line with annual energy costs of ~$1M (AI est.) could see ~$0.3M (AI est.) in annual cost savings. Including a 20% productivity increase from reduced decomposition time, the estimated annual economic impact per line is ~$0.5M (AI est.).

Speed to Market
4× faster than in-house development
This technology employs a method relatively similar to existing chemical processes, involving heating specific compounds (oxalates and amines). Basic reaction conditions and reagents are detailed in the patent specification, minimizing development risk as no complex algorithms or software development are required. It can be integrated with minimal modifications to existing equipment, significantly reducing the time and cost associated with designing and constructing new facilities, potentially shortening time-to-market by approximately 2.5 years.
Competitive Positioning

X: Resource Recovery Efficiency
Y: Environmental Impact Reduction

Business Models & Applications
🏭 Metal Recycling Efficiency Solutions
License and integrate this technology into existing metal recycling plants and refining facilities to enhance processing capacity and reduce costs. The recovered high-purity metals can then be sold as high-value products.
🔋 Battery & Catalyst Recycling Business
Apply this technology to the recovery process of precious and critical metals from spent EV batteries and industrial catalysts. This promotes supply chain resilience and circular resource utilization.
🧪 High-Purity Metal Raw Material Supply
Utilize this technology to supply high-purity metal raw materials, produced via low-temperature decomposition, to chemical manufacturers handling specific transition metal oxalates as intermediate materials, and to advanced materials manufacturers.
Adjacent Application Opportunities
🔋 Battery Recycling
Critical Metal Recovery from Spent Batteries
Current critical metal recovery from spent batteries relies on high-temperature processes, consuming significant energy. Applying this technology could enable efficient, low-temperature separation and recovery of transition metals like lithium, cobalt, and nickel from spent batteries, potentially reducing recycling costs by a substantial margin.
♻️ Catalyst Recycling
Precious Metal Regeneration from Spent Catalysts
Spent industrial catalysts contain precious metals like platinum, palladium, rhodium, and transition metals such as nickel and cobalt. This technology's low-temperature decomposition could enable high-purity separation and recovery of these metals from catalyst supports, enhancing resource recycling rates.
🔬 Advanced Materials Manufacturing
Low-Temperature Synthesis of High-Purity Nanometal Particles
Specific transition metals are crucial raw materials for manufacturing high-performance ceramics, nanomaterials, and pigments. This technology could be applied to decompose precursor transition metal oxalates at low temperatures, producing high-quality metal powders with precisely controlled particle size distribution and purity.
Integration Roadmap — Estimated 12-Month Deployment
Phase 1: Technical Suitability Assessment and Basic Verification
Duration: 2 months
Evaluate the basic performance of this technology and verify its compatibility with the licensee's existing equipment and target oxalates. This phase also includes selecting the optimal amine type and mixing ratio.
Phase 2: Pilot Demonstration and Process Optimization
Duration: 6 months
Based on verification results, construct a small-scale pilot facility. Optimize decomposition conditions in a real process and evaluate the purity and yield of recovered transition metals, collecting data for full-scale implementation.
Phase 3: Full-Scale Implementation and Production Line Rollout
Duration: 4 months
Based on pilot demonstration data, proceed with full-scale implementation design for existing production lines. Modify equipment and commence operation of an efficient transition metal recovery process utilizing this technology.
Technical Feasibility
This technology primarily involves a thermolysis process of mixing and heating oxalates with a coordination polymer structure and primary amino group amines, making it highly compatible with existing general-purpose chemical plant equipment like reaction tanks and heating furnaces. It is likely implementable with minor modifications to temperature control and amine supply systems, without requiring complex specialized equipment, enabling a smooth transition while minimizing capital investment.
Success Scenario
Implementing this technology could enable stable decomposition of metal oxalates at lower temperatures than conventional methods, potentially reducing energy consumption in manufacturing processes by over 20%. This could strengthen the business foundation for stable supply of high-purity transition metals while curbing rising energy costs. Furthermore, it may increase production line operating rates, potentially expanding annual production volume by 1.1 times.
Patent Record
APPLICATION NO.
特願2015-256050
REGISTRATION NO.
6800413
FILING DATE
2015年12月28日
GRANT DATE
2020年11月27日
EXPIRATION DATE
2035年12月28日
PATENT HOLDER
国立大学法人山形大学
Examination History
2018年12月14日
出願審査請求書
2019年09月10日
拒絶理由通知書
2019年11月11日
手続補正書（自発・内容）
2019年11月11日
意見書
2020年04月07日
拒絶理由通知書
2020年06月02日
手続補正書（自発・内容）
2020年06月02日
意見書
2020年10月27日
特許査定