Heat-ray shielding particle dispersing liquid, heat-ray shielding particle dispersing body, heat-ray shielding laminated transparent substrate and heat-ray shielding transparent substrate
US-2019369313-A1 · Dec 5, 2019 · US
of tungsten
of tungsten · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08K2003/2258 |
| Official title | {of tungsten} |
| Display label | of tungsten |
| Total patents | 178 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 10 |
| 2017 | 14 |
| 2018 | 18 |
| 2019 | 20 |
| 2020 | 24 |
| 2021 | 18 |
| 2022 | 17 |
| 2023 | 14 |
| 2024 | 16 |
| 2025 | 16 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Transparent polyester film with low visible light transmittance and high infrared-blocking rate
US-2019322824-A1 · Oct 24, 2019 · US
Material sets
US-2019240898-A1 · Aug 8, 2019 · US
Heat ray absorbing lamp cover
US-10359171-B2 · Jul 23, 2019 · US
Block-copolymer hydride having acid anhydride group and use thereof
US-2019203035-A1 · Jul 4, 2019 · US
Heat-ray shielding film and method for manufacturing the same, and heat-ray shielding laminated transparent base material
US-10307993-B2 · Jun 4, 2019 · US
Heat ray-shielding particle-containing composition and method of producing the same, heat ray-shielding film, and heat ray-shielding laminated transparent base material
US-10308801-B2 · Jun 4, 2019 · US
Intermediate film for laminated glass, and laminated glass
US-10252495-B2 · Apr 9, 2019 · US
Infrared-shielding ultrafine particle dispersion body, interlayer for shielding solar radiation, infrared-shielding laminated structure, and method for producing near-infrared shielding ultrafine particle dispersion body
US-2019002708-A1 · Jan 3, 2019 · US
Infrared absorbing adhesive films and related methods
US-2018370205-A1 · Dec 27, 2018 · US
Composite tungsten oxide ultrafine particles and dispersion liquid of the same
US-2018370813-A1 · Dec 27, 2018 · US
Elastomeric seal
US-10047261-B2 · Aug 14, 2018 · US
Composite active material particle, cathode, all-solid-state lithium ion battery, and methods for producing the same
US-2018219229-A1 · Aug 2, 2018 · US
Inorganic blue pigments from cobalt doped magnesium having transition element oxides and a process for the preparing the same
US-10035914-B2 · Jul 31, 2018 · US
Adhesive layer, near-infrared shielding film, laminated structure, stacked body and adhesive agent composition
US-2018208803-A1 · Jul 26, 2018 · US
Non-aqueous ink compositions containing metallic nanoparticles suitable for use in organic electronics
US-2018201799-A1 · Jul 19, 2018 · US
Electroconductive film laminate comprising transparent pressure-sensitive adhesive layer
US-10023766-B2 · Jul 17, 2018 · US
Electronic component, method for producing same, and sealing material paste used in same
US-10026923-B2 · Jul 17, 2018 · US
Tungsten-doped stannic oxide colloidal suspension and method for preparing the same
US-2018171158-A1 · Jun 21, 2018 · US
Heat-ray shielding film, heat-ray shielding laminated transparent substrate, automobile, building, dispersoid, mixed composition, method for manufacturing dispersoid, dispersion liquid, and method for manufacturing dispersion liquid
US-2018170021-A1 · Jun 21, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08K2003/2258?
- CPC C08K2003/2258 is the Cooperative Patent Classification code for “of tungsten.”
- How many patents are filed under CPC C08K2003/2258 (of tungsten)?
- Our database includes 178 publications tagged with this CPC code.
- Is patent activity under CPC C08K2003/2258 growing?
- Publication counts under this code: 16 in 2024 vs 16 in 2025 (latest complete years).