Metal connection member and method for chemical conversion treatment of metal connection member
US-2020248287-A1 · Aug 6, 2020 · US
containing titanium, zirconium or hafnium compounds
containing titanium, zirconium or hafnium compounds · 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 | C23C22/361 |
| Official title | {containing titanium, zirconium or hafnium compounds} |
| Display label | containing titanium, zirconium or hafnium compounds |
| Total patents | 101 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 15 |
| 2017 | 17 |
| 2018 | 7 |
| 2019 | 7 |
| 2020 | 11 |
| 2021 | 6 |
| 2022 | 2 |
| 2023 | 7 |
| 2024 | 6 |
| 2025 | 7 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for the Manufacturing of a Steel Strip for Packaging and Associated Equipment
US-2019330744-A1 · Oct 31, 2019 · US
Sealing Composition
US-2019316261-A1 · Oct 17, 2019 · US
Chemical treatment steel sheet, and method for producing chemical treatment steel sheet
US-2019226112-A1 · Jul 25, 2019 · US
Process for the manufacturing of a steel strip for packaging and associated equipment
US-10337106-B2 · Jul 2, 2019 · US
Chemical treatment steel sheet, and method for producing chemical treatment steel sheet
US-10301721-B2 · May 28, 2019 · US
Chemical treatment steel sheet, and method for producing chemical treatment steel sheet
US-10294577-B2 · May 21, 2019 · US
Sheet steel with a conversion coating, method of producing conversion-coated sheet steel and treatment agent for application of a conversion coating on sheet steel
US-2019032222-A1 · Jan 31, 2019 · US
Method of producing hot-dip Zn alloy-plated steel sheet
US-10125414-B2 · Nov 13, 2018 · US
Metal pretreatment compositions comprising silanes and organophosporus acids
US-10106689-B2 · Oct 23, 2018 · US
Metal pretreatment with acidic aqueous compositions comprising silanes
US-10053583-B2 · Aug 21, 2018 · US
Inorganic chromium-free metal surface treatment agent
US-10005912-B2 · Jun 26, 2018 · US
Steel sheet used to manufacture a container and method of manufacturing the same
US-9945037-B2 · Apr 17, 2018 · US
Conversion coating and method of making
US-2018057946-A1 · Mar 1, 2018 · US
Chemical conversion coated plated steel sheet and method for producing same
US-9890461-B2 · Feb 13, 2018 · US
Steel sheet for a fuel tank
US-2017361571-A1 · Dec 21, 2017 · US
Chemical conversion-treated steel pipe
US-2017336013-A1 · Nov 23, 2017 · US
Pretreatment compositions and methods for coating a metal substrate
US-9822260-B2 · Nov 21, 2017 · US
Process for coating metallic surfaces with a passivating agent, the passivating agent and its use
US-2017314137-A1 · Nov 2, 2017 · US
Can pretreatment for improved coating adhesion
US-2017283652-A9 · Oct 5, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23C22/361?
- CPC C23C22/361 is the Cooperative Patent Classification code for “containing titanium, zirconium or hafnium compounds.”
- How many patents are filed under CPC C23C22/361 (containing titanium, zirconium or hafnium compounds)?
- Our database includes 101 publications tagged with this CPC code.
- Is patent activity under CPC C23C22/361 growing?
- Publication counts under this code: 6 in 2024 vs 7 in 2025 (latest complete years).