Composition, film, optical filter, optical sensor, and image display device
US-2024199895-A1 · Jun 20, 2024 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C09D5/32 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 689 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 30 |
| 2016 | 46 |
| 2017 | 71 |
| 2018 | 72 |
| 2019 | 80 |
| 2020 | 71 |
| 2021 | 68 |
| 2022 | 71 |
| 2023 | 66 |
| 2024 | 51 |
| 2025 | 44 |
| 2026 | 19 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems, compositions, and methods for enhanced electromagnetic shielding and corrosion resistance
US-11965116-B2 · Apr 23, 2024 · US
Colorless luminescent solar concentrators using colloidal semiconductor nanocrystals
US-2016380140-A1 · Dec 29, 2016 · US
Liquid composition, glass article and method of forming coating film
US-2016362332-A1 · Dec 15, 2016 · US
Antimony-doped tin oxide powder and method of producing the same
US-9513408-B2 · Dec 6, 2016 · US
Magnetic multilayer pigment flake and coating composition
US-9508475-B2 · Nov 29, 2016 · US
High durability solar absorptive coating and methods for making same
US-9499699-B1 · Nov 22, 2016 · US
Soluble graphene nanostructures and assemblies therefrom
US-2016308134-A1 · Oct 20, 2016 · US
Foamed aqueous composition
US-9469738-B1 · Oct 18, 2016 · US
Digital lithographic image forming surface incorporating a carbon black polymeric filler
US-9469143-B1 · Oct 18, 2016 · US
Coating liquid used for forming ultraviolet absorption coating and ultraviolet absorption glass
US-2016297707-A1 · Oct 13, 2016 · US
Near-infrared absorbing film compositions
US-9465290-B2 · Oct 11, 2016 · US
Enhanced multifunctional paint for detection of radiation
US-2016274245-A1 · Sep 22, 2016 · US
Spin coater for applying multiple coatings to an optical substrate
US-2016243579-A1 · Aug 25, 2016 · US
Method of preparing a photochromic optical article using an organic solvent pretreatment and photochromic coating
US-2016245967-A1 · Aug 25, 2016 · US
Photochromic optical article having allophanate protective coating and process for making same
US-2016238758-A1 · Aug 18, 2016 · US
Soluble graphene nanostructures and assemblies therefrom
US-9410040-B2 · Aug 9, 2016 · US
Polymer composites with uv shielding strength
US-2016194515-A1 · Jul 7, 2016 · US
Coated article with low-e coating having low visible transmission
US-2016185660-A1 · Jun 30, 2016 · US
A coating composition comprising a dye and a method to detect moisture in objects
US-2016178510-A1 · Jun 23, 2016 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09D5/32?
- CPC C09D5/32 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C09D5/32 (Chemistry & Metallurgy)?
- Our database includes 689 publications tagged with this CPC code.
- Is patent activity under CPC C09D5/32 growing?
- Publication counts under this code: 51 in 2024 vs 44 in 2025 (latest complete years).