Company patents
Chang Chun Plastics Co., Ltd.
Chang Chun Plastics Co., Ltd. demonstrates a surprising shift in its patent strategy, with a strong focus on core materials science categories like Polymer Synthesis (Polycondensation) (38.5% of portfolio) and Polymer Working & Compounding (28.8% of portfolio), yet showing significant year-over-year declines in patenting activity across most categories in 2025 and so far in 2026, including a 100% decline in categories like Polymer Working & Compounding and Layered Products (Laminates, Films) in 2025.
Patent Trend by Technology Area
Yearly patent publications since 2023
Product themes
Product-level themes inferred from filings since 2023, with category chips showing where each theme appears. Select a theme to filter the patents below.
52 US filings (since 2023) · 12 categories · 19 themes
Polymer compositions engineered for enhanced heat resistance, thermal stability in molten states, or improved processability at high temperatures, often involving specific copolymers, blends, or stabilizing additives for applications in electronics or automotive.
Synthesis and modification of high-performance thermoplastic polymers, such as poly(arylene ether ketone) (PAEK) or polycarbonates, to achieve enhanced thermal stability, mechanical strength, or specific processing characteristics.
Synthesis and formulation of polymers, such as epoxy resins, polyimides, or ionic binders, tailored for specific functions in electronic components like sealing, insulation, or energy storage.
Development and application of polymer compositions designed for reprocessability, recyclability, or incorporating sustainable additives, often featuring reversible bonds or bio-based components.
Techniques for manufacturing thin polymer layers, sheets, or multi-layer structures, often optimized for specific properties such as flexibility, barrier function, filtration, or mechanical strength.
Light-initiated polymerization processes used to create structures, coatings, or components, particularly for electronic devices, displays, or additive manufacturing, often involving photoinitiators and specific monomer/oligomer compositions.
Development of novel chemical compositions for photoresists, including polymers, sensitizers, and crosslinking agents, to achieve improved lithographic performance such as resolution, sensitivity, line edge roughness, and etch resistance.
Methods and equipment for applying photoresist uniformly onto wafers, forming patterns through various exposure techniques (e.g., direct imaging, multi-exposure), and integrating patterned layers into semiconductor structures or packaging.
Thin, multi-layered films and structures specifically designed for electronic applications, including flexible substrates for devices, display panel components, and active material layers for battery electrodes.
Mixtures of liquid crystal compounds and other additives, such as monomers or carbon black, designed to achieve specific optical, electrical, or physical properties for use in liquid crystal displays (LCDs) or other electro-optical devices.
Additives that enhance a polymer's resistance to thermal degradation, high temperatures, or ignition, including flame retardants and heat stabilizers for improved safety and durability.
Development and synthesis of catalysts with unique compositions or structures, such as medium entropy alloys, metal foam-supported catalysts, layered catalytic articles, or high-entropy oxides, to enhance activity, selectivity, or stability in chemical reactions.
Polymer compositions incorporating inorganic or organic filler materials to impart specific functional properties such as thermal conductivity, flame retardancy, electrical conductivity, or enhanced mechanical strength and dimensional stability.
Methods and structures for integrating and enclosing electronic components into compact, multi-functional modules, often involving embedded components, multi-layer substrates, and electromagnetic shielding for performance and miniaturization.
Manufacturing processes and material compositions for creating electronic circuits on flexible or conformable substrates, enabling novel form factors, enhanced durability, and new applications beyond rigid PCBs.
Polymers incorporating reversible bonds or crosslinks that enable reprocessing, self-healing, or tunable mechanical properties, often responding to stimuli like heat, light, or pH for de-crosslinking and re-crosslinking.
Polymer compositions tailored for medical and biological applications, including implantable devices, drug delivery systems, and diagnostic tools, emphasizing properties like biocompatibility, hydrolysis resistance, optical clarity, and specific mechanical characteristics.
Synthesis and formulation of epoxy resins, often derived from phenolic precursors like cardanol and vanillin, for applications requiring specific thermal, mechanical, or electrical properties.
Development and application of textile materials with engineered properties such as waterproofing, thermal regulation, anti-cling, structural coloration, or enhanced filtration capabilities for specific performance needs.
Patents
Showing 1-10 of 83