Zinc-based plated steel sheet having post-treated coating formed thereon and post-treatment method therefor
US-2018363119-A1 · Dec 20, 2018 · US
using aqueous solutions with pH between 6 and 8
using aqueous solutions with pH between 6 and 8 · 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 | C23C22/68 |
| Official title | using aqueous solutions with pH between 6 and 8 |
| Display label | using aqueous solutions with pH between 6 and 8 |
| Total patents | 186 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 16 |
| 2017 | 9 |
| 2018 | 22 |
| 2019 | 28 |
| 2020 | 22 |
| 2021 | 17 |
| 2022 | 20 |
| 2023 | 9 |
| 2024 | 14 |
| 2025 | 11 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Plated steel plate for hot pressing and hot pressing method of plated steel plate
US-10092938-B2 · Oct 9, 2018 · US
Coating carbon steel tubing with iron sulfide
US-2018265992-A1 · Sep 20, 2018 · US
Electrical steel sheet with insulating coating
US-2018251869-A1 · Sep 6, 2018 · US
Shaving article with surface modification
US-2018236678-A1 · Aug 23, 2018 · US
Aluminum-zinc plated steel sheet and method for producing the same
US-10053753-B2 · Aug 21, 2018 · US
Process for the preparation of a topography for improved protein adherence on a body made of titanium or a titanium alloy
US-2018153660-A1 · Jun 7, 2018 · US
Method for coating metallic surfaces with nanocrystalline zinc oxide layers, aqueous compositions therefor and use of the surfaces coated in this way
US-9970113-B2 · May 15, 2018 · US
Method for improving adherence
US-9920430-B2 · Mar 20, 2018 · US
Conductive substrate
US-2018072019-A1 · Mar 15, 2018 · US
Surface treatment solutions for gold and gold alloys
US-9914838-B2 · Mar 13, 2018 · US
Conversion coating and method of making
US-2018057946-A1 · Mar 1, 2018 · US
Two-step pretreatment system and method
US-2018044796-A1 · Feb 15, 2018 · US
Repair agent and repair method for plated base, as well as plated base
US-2018044797-A1 · Feb 15, 2018 · US
Method and apparatus for manufacturing aluminum product
US-9878389-B2 · Jan 30, 2018 · US
Corrosion inhibitor-incorporated layered double hydroxide and sol-gel coating compositions and related processes
US-2018022938-A1 · Jan 25, 2018 · US
Method for the preparation of a coated metal sheet, comprising the application of an aqueous solution containing an amino acid, and associated use in order to improve corrosion resistance
US-2018023177-A1 · Jan 25, 2018 · US
Method for the Production of a Coated Metal Sheet, Comprising the Application of an Aqueous Solution Containing an Amino Acid, and Associated Use in Order to Improve Tribological Properties
US-2018016681-A1 · Jan 18, 2018 · US
Preparation method of a coated sheet comprising the application of an aqueous solution comprising an amino acid and its associated use for improving the compatibility with an adhesive
US-2018015694-A1 · Jan 18, 2018 · US
Process for the Rapid Blackening of Surgical Needles
US-2017370004-A1 · Dec 28, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23C22/68?
- CPC C23C22/68 is the Cooperative Patent Classification code for “using aqueous solutions with pH between 6 and 8.”
- How many patents are filed under CPC C23C22/68 (using aqueous solutions with pH between 6 and 8)?
- Our database includes 186 publications tagged with this CPC code.
- Is patent activity under CPC C23C22/68 growing?
- Publication counts under this code: 14 in 2024 vs 11 in 2025 (latest complete years).