Environment-friendly water-based treatment agent for improving phosphatability of high-strength steel
US-2026055511-A1 · Feb 26, 2026 · US
containing oxalates
containing oxalates · 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 | C23C22/46 |
| Official title | containing oxalates |
| Display label | containing oxalates |
| Total patents | 28 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 5 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 2 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 5 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Laser-induced structures for biomedical use
US-2025196254-A1 · Jun 19, 2025 · US
Coating agent for forming grain-oriented electrical steel sheet coating and method for manufacturing grain-oriented electrical steel sheet
US-12305288-B2 · May 20, 2025 · US
Simplified process for the pretreatment of metallic substrates for cold forming and a reactive lubricant for this purpose
US-2024425775-A1 · Dec 26, 2024 · US
Simplified method for pretreating metal substrates for cold forming and reactive lubricant therefor
US-12139690-B2 · Nov 12, 2024 · US
One-step pretreatment method of metallic substrates at non-neutral ph values for metal cold forming
US-2024166968-A1 · May 23, 2024 · US
Method for producing chemically treated alloy material, and chemical treatment solution regeneration apparatus used in method for producing chemically treated alloy material
US-11879172-B2 · Jan 23, 2024 · US
Methods for wet atomic layer etching of copper
US-11866831-B2 · Jan 9, 2024 · US
Methods For Wet Atomic Layer Etching Of Copper
US-2023140900-A1 · May 11, 2023 · US
Corrosion resistant chromium free conversion coatings
US-2023136068-A1 · May 4, 2023 · US
One-step pretreatment method of metallic substrates for metal cold forming
US-2023106175-A1 · Apr 6, 2023 · US
One-step pretreatment method of metallic substrates for metal cold forming
US-2023091443-A1 · Mar 23, 2023 · US
Anti-corrosion super-slippery aluminum capillary tube and method and device for preparing the same
US-2023081397-A1 · Mar 16, 2023 · US
Method for producing a heat exchanger
US-11377741-B2 · Jul 5, 2022 · US
Coating agent for forming grain-oriented electrical steel sheet coating and method for manufacturing grain-oriented electrical steel sheet
US-2022145472-A1 · May 12, 2022 · US
Simplified method for pretreating metal substrates for cold forming and reactive lubricant therefor
US-2022119730-A1 · Apr 21, 2022 · US
Zinc-based plated steel sheet having post-treated coating formed thereon
US-11255010-B2 · Feb 22, 2022 · US
Zinc-based plated steel sheet having post-treated coating formed thereon and post-treatment method therefor
US-2020399750-A1 · Dec 24, 2020 · US
Method for producing chemically treated alloy material, and chemical treatment solution regeneration apparatus used in method for producing chemically treated alloy material
US-2020283907-A1 · Sep 10, 2020 · US
Method for preparing shaped metal bodies for cold working
US-10392705-B2 · Aug 27, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23C22/46?
- CPC C23C22/46 is the Cooperative Patent Classification code for “containing oxalates.”
- How many patents are filed under CPC C23C22/46 (containing oxalates)?
- Our database includes 28 publications tagged with this CPC code.
- Is patent activity under CPC C23C22/46 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).