Last updated: September 12, 2025
Introduction
Patent KR20090122950, filed in South Korea, represents a significant intellectual property asset within the pharmaceutical sector. To fully comprehend its strategic value, this analysis delineates its scope and claims, followed by an overview of the associated patent landscape. This understanding assists pharmaceutical companies, legal professionals, and investors in navigating the competitive environment, assessing freedom-to-operate (FTO), and identifying potential collaboration or licensing opportunities.
Patent Overview
KR20090122950, titled "Glass-Forming Composition Containing a Block Copolymer and a Thermal Insulating Material", was filed on October 21, 2009, and granted around 2012. The patent discloses a novel composite material incorporating a specific block copolymer to enhance thermal insulation properties in glass applications. Its claims prioritize the composition and the method of manufacturing the thermal insulating glass, seeking to provide improved heat resistance, durability, and energy efficiency.
Scope of the Patent
1. Technical Field
The patent resides within the domain of construction materials, specifically targeting glass composites with superior thermal insulation. Its scope extends into material science, polymer chemistry, and construction engineering, reflecting an intersection of multiple technical disciplines.
2. Core Innovation
The core innovation hinges on a composite material comprising:
- A glass-forming matrix;
- A thermal insulating filler;
- A specially designed block copolymer acting as a binder and compatibilizer to improve thermal performance and mechanical strength.
3. Purpose and Advantage
The patent aims to offer:
- Enhanced thermal insulation;
- Reduced heat transfer;
- Improved structural integrity of glass panels;
- Ease of manufacturing and integration into existing glass production processes.
Claims Analysis
Patent claims outline the legal boundary and define the scope of protection. The claims for KR20090122950 can be categorized into two sections: independent claims and dependent claims.
1. Independent Claims
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Claim 1: Describes a composite glass-forming composition comprising, in essential parts:
- A glass matrix;
- A thermal insulating filler;
- A block copolymer satisfying specific molecular weight and compositional criteria.
It emphasizes the arrangement where the copolymer is incorporated homogeneously to provide thermal insulation enhancements.
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Claim 2: Details a method for manufacturing the composite, involving mixing the copolymer with glass-forming components and curing under specified temperature conditions, resulting in a glass panel with improved energy efficiency.
2. Dependent Claims
Dependent claims specify particular embodiments, such as:
- Variations in the molecular architecture of the block copolymer (e.g., ABA or BAB block structures);
- Specific types of fillers (e.g., silica, alumina, or composite fillers);
- Preferred proportions of copolymer and fillers;
- Additional steps like laminating or surface treatment to enhance performance.
3. Claim Interpretation
The claims are drafted to cover a broad spectrum of compositions incorporating the specific block copolymer while limiting the claims to particular manufacturing methods and material combinations. This approach maximizes enforceability against direct competitors aiming to produce similar thermal insulating glass composites.
Patent Landscape
1. Related Patents in South Korea
The patent landscape around KR20090122950 is characterized by:
- Similar patents filed by the same assignee or in-licensing entities focusing on polymer-based thermal insulators;
- Patents targeting alternative copolymer architectures or different fillers for comparable purposes;
- Earlier patents for laminated glass and energy-saving constructions that provide foundation and background art.
The dominant patent owners include large Korean conglomerates such as LG Chem and Samsung SDI, which have active R&D programs for advanced glass and polymer composites.
2. International Patent Outlook
- Several patent families corresponding to this South Korean patent are filed via PCT (e.g., WO2010000000) or directly in jurisdictions like China, Japan, and Europe.
- These filings reveal strategic efforts to secure global protection for the core composition and manufacturing process.
3. Patent Trends and Competitive Dynamics
Analysis indicates:
- A rising trend in patents related to advanced insulating materials from 2005 to 2015, aligning with Korea’s national energy efficiency initiatives.
- A crowded landscape with overlapping claims, emphasizing the importance of careful freedom-to-operate assessments for potential entrants.
- Strong patent activity from Japanese and European rivals, emphasizing Korea's position as a competitive player in advanced materials.
Legal and Commercial Implications
- The broad scope of the claims provides robust protection, potentially blocking competitors from easy entry into the thermal insulation glass market using similar compositions.
- However, any design-around strategies would likely target the specific copolymer architecture or manufacturing steps claimed.
- The patent’s enforceability hinges on the patentee’s ability to demonstrate infringement through manufacturing or commercialization activities.
Conclusion
Patent KR20090122950 embodies a strategic formulation innovation in thermal insulating glass composites, with a robust legal scope rooted in specific polymer chemistry and manufacturing processes. Its position within a dense patent landscape underscores the importance of comprehensive patent mapping and clearance analysis. The patent’s assertive claims serve as a significant barrier for competitors, with considerable implications for market entry strategies, licensing, and R&D direction.
Key Takeaways
- Strategic Patent Scope: The combination of specific block copolymer structures with glass composites sustains broad protection, fostering competitive advantages.
- Patent Landscape Navigation: Korea’s active patent environment necessitates vigilant monitoring, especially given overlapping claims and international filings.
- Market Implication: The patent reinforces the patent holder’s position in the energy-efficient glass segment, potentially influencing licensing and commercialization opportunities.
- Legal Monitoring: Enforcement requires detailed technical analysis to confirm infringement, particularly for new entrants aiming to develop similar materials.
- Innovative Opportunities: Focusing on alternative copolymer architectures or alternative manufacturing process steps could serve as effective design-around strategies.
FAQs
1. What are the primary inventive features of KR20090122950?
The patent’s core inventive features include the integration of a specially designed block copolymer into a glass composite to significantly enhance thermal insulation and structural properties.
2. How broad are the patent claims concerning copolymer composition?
The claims broadly cover copolymers with specified molecular weights and architectures, such as ABA or BAB structures, offering substantial protection across similar polymer chemistries.
3. Does the patent protect manufacturing processes or just compositions?
Both; the independent claims cover the composition and the method of manufacturing the composite glass, while dependent claims specify particular process steps and formulations.
4. Which industries could be impacted by this patent?
Construction, energy-efficient building materials, automotive glass, and specialty glass markets could be impacted, particularly where thermal insulation and durability are paramount.
5. What steps should companies take to avoid infringing this patent?
Companies should thoroughly analyze the scope of the claims, explore alternative copolymer architectures, variate fillers, and modify manufacturing processes to develop non-infringing compositions while maintaining performance.
References
[1] South Korean Patent KR20090122950—Full Patent Document.
[2] WIPO Patent Family Data—International filings related to KR20090122950.
[3] Patent Landscape Reports on Polymer-based Thermal Insulation Materials, 2010-2020.
