Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur, with or without nitrogen, oxygen, or carbon only; Coating compositions based on polysulfones; Coating compositions based on derivatives of such polymers · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C09D181/00 |
| Official title | Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur, with or without nitrogen, oxygen, or carbon only; Coating compositions based on polysulfones; Coating compositions based on derivatives of such polymers |
| Display label | Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur, with or without nitrogen, oxygen, or carbon only; Coating compositions based on polysulfones; Coating compositions based on derivatives of such polymers |
| Total patents | 47 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 4 |
| 2019 | 9 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 7 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12497530-B2 · Dec 16, 2025 · US
US-2025377595-A1 · Dec 11, 2025 · US
US-12103991-B2 · Oct 1, 2024 · US
US-11993725-B2 · May 28, 2024 · US
US-2023032881-A1 · Feb 2, 2023 · US
US-2022356358-A1 · Nov 10, 2022 · US
US-2022348694-A1 · Nov 3, 2022 · US
US-2022310928-A1 · Sep 29, 2022 · US
US-11448033-B2 · Sep 20, 2022 · US
US-2022282119-A1 · Sep 8, 2022 · US
US-2022195111-A1 · Jun 23, 2022 · US
US-11285697-B2 · Mar 29, 2022 · US
US-11155681-B2 · Oct 26, 2021 · US
US-11124674-B2 · Sep 21, 2021 · US
US-2021252830-A1 · Aug 19, 2021 · US
US-11090681-B2 · Aug 17, 2021 · US
US-2021156220-A1 · May 27, 2021 · US
US-2020398541-A1 · Dec 24, 2020 · US
US-10854357-B2 · Dec 1, 2020 · US
US-10752806-B2 · Aug 25, 2020 · US
Answers are generated from the same data shown on this page.