Polishing composition, polishing method, and method for manufacturing ceramic component
US-2017355882-A1 · Dec 14, 2017 · US
involving the removal of part of the materials of the treated articles, e.g. etching
involving the removal of part of the materials of the treated articles, e.g. etching · 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 | C04B41/91 |
| Official title | involving the removal of part of the materials of the treated articles, e.g. etching |
| Display label | involving the removal of part of the materials of the treated articles, e.g. etching |
| Total patents | 274 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 23 |
| 2016 | 22 |
| 2017 | 15 |
| 2018 | 23 |
| 2019 | 17 |
| 2020 | 27 |
| 2021 | 21 |
| 2022 | 17 |
| 2023 | 32 |
| 2024 | 34 |
| 2025 | 35 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sintered body and electrostatic chuck
US-2017358476-A1 · Dec 14, 2017 · US
Zirconium oxide-based composite material
US-9783459-B2 · Oct 10, 2017 · US
Surface structure forming method for zirconia-based ceramics, and zirconia-based ceramics
US-2017260100-A1 · Sep 14, 2017 · US
Kit of parts containing dental mill blank colouring solution
US-2017216000-A1 · Aug 3, 2017 · US
Gas turbine component and process for producing gas turbine component
US-9719420-B2 · Aug 1, 2017 · US
Transparent spinel article and tape cast methods for making
US-2017183265-A1 · Jun 29, 2017 · US
Target material for sputtering and method for manufacturing same
US-2017130328-A1 · May 11, 2017 · US
Ceramic product with oriented particles and method for the production thereof
US-2017129816-A1 · May 11, 2017 · US
Coating interface
US-2017121232-A1 · May 4, 2017 · US
Reducing impurities in ceramic matrix composites
US-2017113976-A1 · Apr 27, 2017 · US
Transparent spinel article and tape cast methods for making
US-9624136-B2 · Apr 18, 2017 · US
Etching Adhesive Tape, Method of Manufacturing the Same and Etching Method
US-2017101557-A1 · Apr 13, 2017 · US
Method for coating removal
US-2017101347-A1 · Apr 13, 2017 · US
Process for manufacturing a multiperforated composite part
US-2017036964-A1 · Feb 9, 2017 · US
Ceramic glaze having antimicrobial property
US-2016347648-A1 · Dec 1, 2016 · US
Ceramic glaze having antimicrobial property
US-2016347649-A1 · Dec 1, 2016 · US
Ceramic glaze having antimicrobial property
US-2016345583-A1 · Dec 1, 2016 · US
Methods of forming polycrystalline compacts
US-9500039-B2 · Nov 22, 2016 · US
Metallized substrate, metal paste composition, and method for manufacturing metallized substrate
US-9462698-B2 · Oct 4, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B41/91?
- CPC C04B41/91 is the Cooperative Patent Classification code for “involving the removal of part of the materials of the treated articles, e.g. etching.”
- How many patents are filed under CPC C04B41/91 (involving the removal of part of the materials of the treated articles, e.g. etching)?
- Our database includes 274 publications tagged with this CPC code.
- Is patent activity under CPC C04B41/91 growing?
- Publication counts under this code: 34 in 2024 vs 35 in 2025 (latest complete years).