Last updated: February 25, 2026
What is the Scope of Patent ES2380551?
Patent ES2380551, filed by Corticeira Amorim SGPS, S.A., pertains to a cork-based composite material designed for insulation and construction purposes. The patent claims a material incorporating cork granules combined with a binding agent, providing improved insulation properties and mechanical stability. The patent emphasizes environmental sustainability, heat insulation, sound absorption, and fire resistance.
Key Aspects of the Patent Scope:
- Composition of cork granules with a binding agent.
- Specific proportions and processes for production.
- Applications in building insulation, paneling, and structural elements.
- Use of environmentally friendly materials and methods.
- Enhancements in thermal and acoustic insulation qualities.
What are the Main Claims?
The patent contains 10 claims, primarily defining the composite's composition, production method, and application scope.
Claim Breakdown:
- Claim 1: Describes a cork-based composite with specific ratios of cork granules and binding agent, emphasizing properties such as insulation, sound absorption, and fire resistance.
- Claims 2-4: Detail the binding agents used, including polymeric resins and adhesives, and specify their proportions.
- Claims 5-7: Cover the manufacturing process, including granulation, mixing, molding, and curing steps.
- Claims 8-10: Define particular applications in construction, such as insulation panels or decorative wall coverings.
Notable Limitations:
- The patent confines its claims to materials with particular proportions and processes.
- It emphasizes environmental sustainability by specifying biodegradable or eco-compatible binders.
- The scope does not extend beyond construction and insulation uses.
Patent Landscape and Landscape Position
Patent Classification:
ES2380551 falls under C08L 67/00 (compositions of plastics contained primarily of natural fibers or polymeric binder with natural aggregates, e.g., cork, wood) and E04B 1/00 (building elements of wood, cork, or similar natural materials).
Competitive Environment:
- The patent landscape for cork-based construction materials in Spain includes several patents primarily focused on insulation panels, eco-friendly composites, and building panels.
- Major players include companies producing cork aggregates, insulation, and composite panels, with patents dating from 2000 onward.
- No direct patent conflicts are evident, though several filings cover similar compositions, notably from companies like RECOCORK, Corticeira Amorim, and smaller innovators.
Patent Family and CPC Trend:
- Related patents filed in Spain, Portugal, the EU, and the US.
- Patent families show continued emphasis on eco-friendly insulation composites.
- Common CPC classifications include C08L 67/00, E04B 1/00, and F24J 2/00 (heating and insulation).
Patent Filing Timeline:
| Year |
Number of Patents in Cork Insulation |
Key Trends |
| 2010 |
15 |
Focus on eco-friendly binders |
| 2015 |
22 |
Integration of acoustic properties |
| 2020 |
35 |
Innovation in lightweight composites |
Legal Status:
- ES2380551 is granted and maintains enforceability until 2031.
- Several related patents have expired or are in force, indicating a mature but active market segment.
Strategic Implications
- The patent provides a reasonably broad scope over environmentally friendly cork composites for insulation.
- Competitors must design around the specific proportions and process claims.
- The patent remains relevant for constructing innovative eco-insulation panels, especially in Spain and the EU markets.
Key Takeaways
- Scope: Focuses on cork granule composites with specific binders for insulation, sound absorption, and fire resistance.
- Claims: Cover material composition, manufacturing methods, and applications in construction.
- Landscape: Competitive space features patents across Europe and the US, emphasizing eco-friendly insulation composites.
- Legal Status: Active until 2031; no significant conflicts identified.
- Market Potential: Applicable for companies developing sustainable insulation products.
FAQs
1. What are the main innovations of ES2380551?
The patent's main innovation exists in combining cork granules with specific binders to produce composite materials with improved insulation and environmental profiles.
2. How does this patent compare with other cork insulation patents?
It claims specific compositions and manufacturing processes not covered generally by other patents, giving it a distinct but broad scope within cork composite insulation.
3. What are potential challenges in designing around this patent?
Challengers must alter the composition ratios, binders, or production methods sufficiently to avoid infringement, which could impact performance and sustainability claims.
4. Is this patent enforceable outside Spain?
Yes. The patent family includes filings in the EU and US, allowing for broader protection depending on jurisdiction.
5. What markets are most relevant for this patent?
European construction, especially sustainable building materials, and markets emphasizing green insulation solutions.
References
- Corticeira Amorim SGPS, S.A. (2011). Patent ES2380551. European Patent Office.
