Curable film-forming compositions containing lithium silicates as corrosion inhibitors and multilayer coated metal substrates
US-2025332815-A1 · Oct 30, 2025 · US
Wash primers
Wash primers · 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 | C09D5/12 |
| Official title | Wash primers |
| Display label | Wash primers |
| Total patents | 43 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 8 |
| 2018 | 6 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Curable film-forming compositions containing lithium silicates as corrosion inhibitors and multilayer coated metal substrates
US-12384135-B2 · Aug 12, 2025 · US
Continuous coil pretreatment process
US-2024060187-A1 · Feb 22, 2024 · US
Gradient-responsive corrosion-resistant coatings
US-11891538-B1 · Feb 6, 2024 · US
Wash primer composition
US-11845878-B2 · Dec 19, 2023 · US
Coating composition
US-11840643-B2 · Dec 12, 2023 · US
Continuous coil pretreatment process
US-11807942-B2 · Nov 7, 2023 · US
Two-step pretreatment system and method
US-11725286-B2 · Aug 15, 2023 · US
Method for anti-corrosion treatment of a metal surface with reduced pickling material
US-2022119650-A9 · Apr 21, 2022 · US
Coated substrates with attached dopants coblasted with particles and dopant
US-2022049108-A1 · Feb 17, 2022 · US
Polymer-containing pre-rinse prior to a conversion treatment
US-11230768-B2 · Jan 25, 2022 · US
Wash primer composition
US-2021332258-A1 · Oct 28, 2021 · US
Pretreatment Composition
US-2021292907-A1 · Sep 23, 2021 · US
Method for anti-corrosion treatment of a metal surface with reduced pickling material
US-2021222013-A1 · Jul 22, 2021 · US
Coating composition
US-2021155807-A1 · May 27, 2021 · US
Methods and Apparatuses for Selecting Natural Product Corrosion Inhibitors for Application to Substrates
US-2020407568-A1 · Dec 31, 2020 · US
Method for corrosion inhibiting additive
US-10774428-B2 · Sep 15, 2020 · US
Two-step pretreatment system and method
US-2020248313-A1 · Aug 6, 2020 · US
Treated article and method of making the same
US-10675658-B2 · Jun 9, 2020 · US
Sealing Composition
US-2019316261-A1 · Oct 17, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09D5/12?
- CPC C09D5/12 is the Cooperative Patent Classification code for “Wash primers.”
- How many patents are filed under CPC C09D5/12 (Wash primers)?
- Our database includes 43 publications tagged with this CPC code.
- Is patent activity under CPC C09D5/12 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).