Company patents
DOW SILICONES CORPORATION
Dow Silicones Corporation's patent strategy, while heavily focused on core materials science with Polymer Synthesis (Polycondensation) representing 46.7% of its portfolio, shows a surprising and significant emerging focus on Pharmaceutical Preparations, which experienced a remarkable 112.5% year-over-year growth in 2024, and Acyclic / Cyclic Compounds (Other Elements), which grew by 61.5% in 2025, indicating a strategic diversification into the pharma_biotech sector despite a general decline in patenting activity across most categories so far in 2026.
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.
552 US filings (since 2023) · 12 categories · 38 themes
Synthesis and modification of polysiloxane polymers to introduce specific functional groups or structures, enhancing properties for applications like composites, coatings, biomedical uses, or powder treatment.
Organometallic or organosilicon compounds used as catalysts to facilitate polymerization reactions, such as olefin metathesis, or as crosslinkers and modifiers to enhance the properties of polymer compositions like silicones.
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.
Additives or compositions specifically formulated for surface application or modification to impart protective, decorative, or specialized functional properties to polymer products.
Novel formulations and mechanisms for initiating or controlling the polymerization and cross-linking of adhesives, including dual-curing systems, radical polymerization, and partial curing for tailored material properties.
Chemical additives or surface treatment methods aimed at improving the bonding strength of adhesives to various substrates, including those with challenging surface chemistries or contaminants.
Development of personal care compositions that achieve effective cleansing and conditioning benefits while avoiding harsh sulfated surfactants, often using alternative, milder surfactant systems.
Materials added to polymers to modify their thermal transfer properties, typically increasing conductivity for heat dissipation in applications like electronics or battery packs.
Methods for synthesizing polyurethanes and polyureas, including non-isocyanate routes, using various monomers, catalysts, and curing agents, often for foams, coatings, or adhesives.
Development and application of polymer compositions designed for reprocessability, recyclability, or incorporating sustainable additives, often featuring reversible bonds or bio-based components.
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.
Innovations in creating stable cosmetic formulations, particularly oil-in-water or water-in-oil emulsions, and developing novel stabilizers or rheology modifiers for desired texture, feel, and shelf-life.
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.
Substances incorporated into polymer systems to control or enhance adhesive properties, cross-linking reactions, or processing characteristics such as mold release and flow.
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.
Development of adhesive compositions that are applied in a molten state and solidify upon cooling, focusing on specific polymer blends, additives, and their resulting mechanical or optical properties.
Chemical compositions and methods for stimulating hair growth, altering hair structure for styling (e.g., straightening, curling, dyeing), or protecting hair from environmental damage and heat.
Adhesive technologies focused on environmental benefits such as biodegradability, natural origin, or designed for easy debonding and re-bonding to facilitate recycling, reuse, or specific application needs.
Adhesive formulations designed for high transparency and minimal light distortion, primarily used in optical components, display devices, and protective films where visual clarity is paramount.
Formulated liquid compositions designed for specific industrial applications, such as non-flammable cleaning, thermal management in electronics, or as low-viscosity, high-flash-point base fluids.
Methods and catalyst systems, often supported (e.g., on silica or alumina), for the synthesis of polyolefins like polyethylene and polypropylene, focusing on controlling molecular weight, distribution, and polymer morphology.
Adhesive compositions specifically formulated to bind active materials within battery electrodes, emphasizing properties like electrolyte resistance, adhesion to current collectors, and processability for manufacturing.
Development of rubber and elastomer compositions, often involving specific polymer blends, additives (e.g., process oils, reinforcing agents), and cure packages, to achieve desired mechanical properties like abrasion resistance, wet grip, shear durability, or flexibility for demanding applications.
Methods for creating fine polymer particles, powders, or microspheres with controlled size, morphology, and distribution, used as raw materials or for specific applications.
Formulations and active ingredients designed to counteract signs of skin aging, such as wrinkles and hyperpigmentation, or to promote skin repair and regeneration through specific biological mechanisms.
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.
Compositions specifically developed for maintaining oral hygiene, preventing dental issues like cavities and gingivitis, and improving cosmetic aspects such as teeth whitening.
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.
Adhesive systems designed to lose their adhesive properties or debond upon exposure to specific wavelengths of light, often utilized for temporary bonding in sensitive manufacturing processes like semiconductor fabrication.
Novel methods and reactor designs for polymer synthesis, focusing on improving efficiency, achieving continuous production, or controlling specific polymer architectures and product morphologies like particle size or sheet formation.
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.
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.
Abrasive slurry compositions used in semiconductor manufacturing for planarizing wafer surfaces, typically containing abrasive particles and chemical additives to achieve specific material removal rates and selectivity.
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.
Technologies focused on encapsulating active ingredients or fragrances to control their release, enhance their substantivity, or improve their stability and efficacy in personal care products.
Multi-layer polymer films engineered to provide superior barrier properties against gases (e.g., oxygen), moisture, or aromas, often incorporating heat-sealing or resealing mechanisms for food and product preservation.
Polymer compositions designed to change their properties (e.g., shape, optical transmittance, solubility) in response to external stimuli such as pH, temperature, light, or chemical presence, enabling applications in sensors, smart windows, or controlled release.
Delivery systems specifically engineered to administer advanced drug formulations (e.g., microparticles, biologics, extended-release systems) to achieve precise targeting, controlled release kinetics, or enhanced therapeutic efficacy within the body.
Patents
Showing 1-10 of 873