Process for producing a colored dental zirconia article
US-12502337-B2 · Dec 23, 2025 · US
comprising hafnium oxide
comprising hafnium oxide · Cooperative Patent Classification (CPC)
Agriculture, food, personal care, health, and life sciences.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | A61K6/82 |
| Official title | comprising hafnium oxide |
| Display label | comprising hafnium oxide |
| Total patents | 42 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 6 |
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 2 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for treating a porous dental zirconia block with coloring solutions
US-12404217-B2 · Sep 2, 2025 · US
Set of colored porous zirconia dental mill blanks and process of production
US-12390312-B2 · Aug 19, 2025 · US
Dental mill blank, process for preparing the same, and uses thereof
US-2025195185-A1 · Jun 19, 2025 · US
Set of colored porous zirconia dental mill blanks and process of production
US-2023338123-A1 · Oct 26, 2023 · US
Lithium disilicate glass-ceramic, method for production thereof and use thereof
US-2023099360-A1 · Mar 30, 2023 · US
Process for Treating a Porous Dental Zirconia Block with Coloring Solutions
US-2022402830-A1 · Dec 22, 2022 · US
Sol containing nano zirconia particles for use in additive manufacturing processes for the production of 3-dimensional articles
US-11339095-B2 · May 24, 2022 · US
Process for Producing a Colored Dental Zirconia Article
US-2022133601-A1 · May 5, 2022 · US
Lithium silicate glass ceramic for fabrication of dental appliances
US-10968132-B2 · Apr 6, 2021 · US
Lithium disilicate glass-ceramic, method for production thereof and use thereof
US-2021055157-A1 · Feb 25, 2021 · US
Lithium disilicate glass-ceramic, method for production thereof and use thereof
US-10765496-B2 · Sep 8, 2020 · US
LITHIUM SILICATE GLASS CERAMIC AND GLASS WITH ZrO2 CONTENT
US-2020156989-A1 · May 21, 2020 · US
Process for the preparation of a particulate dental filler composition
US-10610459-B2 · Apr 7, 2020 · US
Lithium silicate glasses or glass ceramics, method for production thereof and use thereof
US-10442725-B2 · Oct 15, 2019 · US
Lithium silicate glass ceramic for fabrication of dental appliances
US-2019233319-A1 · Aug 1, 2019 · US
Lithium silicate glass ceramic for fabrication of dental appliances
US-10301209-B2 · May 28, 2019 · US
Coloring solution for zirconia ceramics
US-10292795-B2 · May 21, 2019 · US
Lithium disilicate glass-ceramic, method for production thereof and use thereof
US-2019142556-A1 · May 16, 2019 · US
Lithium disilicate glass-ceramic, method for production thereof and use thereof
US-10219879-B2 · Mar 5, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A61K6/82?
- CPC A61K6/82 is the Cooperative Patent Classification code for “comprising hafnium oxide.”
- How many patents are filed under CPC A61K6/82 (comprising hafnium oxide)?
- Our database includes 42 publications tagged with this CPC code.
- Is patent activity under CPC A61K6/82 growing?
- Publication counts under this code: 2 in 2023 vs 4 in 2025 (latest complete years).