Company patents

Covestro (Netherlands) B.V.

Covestro (Netherlands) B.V. exhibits a patent strategy heavily concentrated in materials, with Coating Compositions (Paints, Inks) representing 64.9% of its portfolio, yet this core area saw a significant decline of 61.5% so far in 2026. Surprisingly, despite a strong focus on materials, the company has also maintained a notable presence in Heterocyclic Compounds (Pharma), accounting for 24.3% of its portfolio, which experienced a substantial 166.7% growth in 2025, indicating a potential diversification into pharmaceutical applications.

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.

74 US filings (since 2023) · 11 categories · 21 themes

Advanced Curing Chemistries

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.

Coating Compositions (Paints, Inks)
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44since 2023
+40.0%YoY
Adhesion and Curing Modifiers

Substances incorporated into polymer systems to control or enhance adhesive properties, cross-linking reactions, or processing characteristics such as mold release and flow.

Polymer Additives
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24since 2023
+60.0%YoY
Polymer Composites with Functional Fillers

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.

Coating Compositions (Paints, Inks)Polymer CompositionsPolymer Working & CompoundingPolymer AdditivesPolymer Synthesis (Polymerization)
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20since 2023
+25.0%YoY
Functional Coatings and Surface Modifiers

Additives or compositions specifically formulated for surface application or modification to impart protective, decorative, or specialized functional properties to polymer products.

Coating Compositions (Paints, Inks)Polymer Additives
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16since 2023
+25.0%YoY
Urethane/Urea Polymerization

Methods for synthesizing polyurethanes and polyureas, including non-isocyanate routes, using various monomers, catalysts, and curing agents, often for foams, coatings, or adhesives.

Polymer Synthesis (Polycondensation)
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13since 2023
+50.0%YoY
Dynamic & Reversible Polymer Networks

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 Synthesis (Polymerization)
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12since 2023
+500.0%YoY
Sustainable Polymer Materials

Development and application of polymer compositions designed for reprocessability, recyclability, or incorporating sustainable additives, often featuring reversible bonds or bio-based components.

Coating Compositions (Paints, Inks)Polymer AdditivesPolymer Working & CompoundingPolymer Synthesis (Polycondensation)
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10since 2023
0.0%YoY
Metal Additive Manufacturing Processes

Techniques for building three-dimensional metal objects layer-by-layer using metal powders, including powder bed fusion, binder jetting, and directed energy deposition. This theme encompasses process mechanics, equipment design, and operational control for AM systems.

Plastics Shaping & MoldingAdditive Manufacturing (3D Printing)
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7since 2023
n/a
Functionalized Polysiloxanes

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.

Polymer Synthesis (Polycondensation)
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6since 2023
new
Optical Glass Compositions

Novel glass formulations, often doped with rare-earth elements or specific metal oxides, designed to achieve desired optical properties such as refractive index, light transmittance, polarization, or amplification.

Glass & Glass-Ceramics
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5since 2023
-66.7%YoY
Biomedical Polymer Formulations

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.

Polymer Compositions
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4since 2023
+500.0%YoY
Photopolymerization for Device Fabrication

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.

Polymer Synthesis (Polymerization)
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4since 2023
n/a
Polymer Film and Membrane Fabrication

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.

Polymer Working & Compounding
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3since 2023
new
Multi-material Product Integration & Finishing

Techniques for combining multiple materials or layers, often with specialized surface treatments, coatings, or assembly methods, to create functional or aesthetically enhanced plastic articles, including consumer goods and encapsulated electronics.

Plastics Shaping & Molding
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3since 2023
new
Glass Surface Functionalization

Application of coatings, layers, or chemical treatments to the surface of glass articles to impart specific functionalities such as UV blocking, anti-whitening, hydrophobicity, or adhesion for subsequent layers.

Glass & Glass-Ceramics
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3since 2023
n/a
Polymer Particle and Powder Production

Methods for creating fine polymer particles, powders, or microspheres with controlled size, morphology, and distribution, used as raw materials or for specific applications.

Polymer Working & Compounding
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2since 2023
new
Phenolic Epoxy Resins

Synthesis and formulation of epoxy resins, often derived from phenolic precursors like cardanol and vanillin, for applications requiring specific thermal, mechanical, or electrical properties.

Polymer Synthesis (Polycondensation)
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2since 2023
n/a
Optical Fiber Sensing Systems

Systems and methods that utilize optical fibers as sensing elements or for transmitting sensing signals, often for distributed monitoring of environmental conditions, phase changes, or integrating sensing with communication.

Optical Elements & Systems
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1since 2023
new
Advanced Polymerization Processes

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.

Polymer Synthesis (Polymerization)
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1since 2023
n/a
AM Process Monitoring & Control

Systems and methods for real-time sensing, modeling, and closed-loop control of additive manufacturing parameters to ensure part quality, consistency, and process efficiency. This includes thermal management, atmospheric regulation, and precise material deposition.

Additive Manufacturing (3D Printing)
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1since 2023
n/a
Hybrid Additive-Subtractive Manufacturing

Integration of additive manufacturing with subtractive manufacturing (e.g., machining, cutting) or other traditional processes within a single system or workflow to create parts with improved features, surface finish, or material properties, or to enable new manufacturing paradigms.

Additive Manufacturing (3D Printing)
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1since 2023
n/a

Patents

Showing 1-10 of 118

Page 1 of 12
US 20260146162 A1APPLICATION
C09D4/06

PROCESS FOR PROVIDING LOW GLOSS COATINGS

Filed:2023-08-22Pub:2026-05-28
Applicant:Covestro (Netherlands) B.V.

The present invention relates to a process for producing a coating from an aqueous, radiation-curable coating composition, wherein the process comprises the steps in the sequence (1) to (4): (1) applying an aqueous, radiation-curable coating composition on a surface of a substrate, (2) drying the aqueous, radiation-curable coating composition, affording an at least partially dried coating composition, (3) irradiating the at least partially dried coating composition with UV light having a wavelength ≤220 nm under inert atmosphere, followed by (4) irradiating with UV light having a wavelength ≥300 nm or with E-beam, wherein the aqueous, radiation-curable coating composition is a dispersion comprising: (A) at least one hybrid (A) of at least one polyurethane and at least one vinyl polymer, wherein the hybrid (A) is obtained by free-radical polymerization of at least one vinyl monomer in the presence of at least one water-dispersed polyurethane, the hybrid (A) is essentially free of radiation-curable, ethylenically unsaturated bonds, the polyurethane of the hybrid (A) has a urea group (—NH—CO—NH—) concentration of at least 0.1 milli-equivalents per g of polyurethane and of at most 1.9 milli-equivalents per g of polyurethane, and the polyurethane and the vinyl polymer of the hybrid (A) are present in a weight ratio of polyurethane and vinyl polymer ranging from 25:75 to 95:5, (B) at least one radiation-curable diluent (B) with a molar mass less than 750 g/mol and with an acrylate functionality of from 2 to 5, and (C) water and optionally organic solvent, whereby the optional organic solvent is present in an amount of at most 30 wt. %, based on the total amount of water and organic solvent, wherein the amount of (A) is from 30 to 85 wt. % and the amount of (B) is from 15 to 70 wt. %, based on the total amount of (A) and (B).

US 12612534 B2GRANTED
C09D175/14

Radical-curable composition

Filed:2022-10-25Pub:2026-04-28
Applicant:Covestro (Netherlands) B.V.

The present invention is directed to a radical-curable coating composition comprising (A) One or more oligomers selected from the group consisting of urethane (meth)acrylates, (meth)acrylated epoxidized triglycerides and any mixture thereof, wherein said oligomers have a molar mass equal to or higher than 800 g/mol and lower than 4500 g/mol, (B) One or more methacrylate reactive diluents having a molar mass lower than 800 g/mol, wherein said methacrylate reactive diluents have an average methacrylate functionality higher than 2, (C) One or more acrylate reactive diluents having a molar mass lower than 800 g/mol, wherein said acrylate reactive diluents have an average acrylate functionality higher than 2, (D) One or more photo-initiators, and (E) One or more thermal initiators, wherein the acrylate functionalities of the acrylate reactive diluents (C) and the methacrylate functionalities of the methacrylate reactive diluents (B) are present in a molar ratio of the acrylate functionalities to the methacrylate functionalities of at least 0.2, wherein the amount of oligomers (A) is higher than 20 wt. % and lower than 90 wt. % and the amount of reactive diluents (B) and (C) is higher than 10 wt. % and lower than 80 wt. %, based on the total amount of (A), (B) and (C), and wherein the total amount of (A), (B) and (C) is at least 25 wt. % of the radical-curable coating composition.