Lithography-based process for the production of transparent ceramic bodies with at least two zones of different composition and transparent ceramic bodies thus obtained
US-12552717-B2 · Feb 17, 2026 · US
Polyurethanes; Polyisocyanates
Polyurethanes; Polyisocyanates · 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 | C04B35/63456 |
| Official title | {Polyurethanes; Polyisocyanates} |
| Display label | Polyurethanes; Polyisocyanates |
| Total patents | 58 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 8 |
| 2020 | 6 |
| 2021 | 8 |
| 2022 | 7 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Continuous additive manufacturing method for making ceramic articles, and ceramic articles
US-12528743-B2 · Jan 20, 2026 · US
Method for preparing infrared radiation ceramic material
US-12391618-B2 · Aug 19, 2025 · US
Method for preparing boron carbide material
US-12384725-B2 · Aug 12, 2025 · US
Interface material formulations for additive fabrication
US-12227461-B2 · Feb 18, 2025 · US
Method for degreasing shaped ceramic molded body and method for manufacturing ceramic fired body
US-12221386-B2 · Feb 11, 2025 · US
Method for manufacturing a brake pad preform and a brake pad, and related brake pad
US-2024384770-A1 · Nov 21, 2024 · US
Temporary bonding body of ceramic resin composite and metal plate, method for producing same, object to be transported including the temporary bonding body, and method for transporting same
US-12083784-B2 · Sep 10, 2024 · US
Particles having a sinterable core and a polymeric coating, use thereof, and additive manufacturing method using the same
US-12064898-B2 · Aug 20, 2024 · US
Gradient structure cubic boron nitride composite sheet and preparation method thereof
US-2024228384-A1 · Jul 11, 2024 · US
Method for preparing particulate metal oxide materials
US-2023278931-A1 · Sep 7, 2023 · US
Lithography-based process for the production of transparent ceramic bodies with at least two zones of different composition and transparent ceramic bodies thus obtained
US-2023138537-A1 · May 4, 2023 · US
Extrusion printing of biocompatible scaffolds
US-2023091323-A1 · Mar 23, 2023 · US
Continuous Additive Manufacturing Method for Making Ceramic Articles, and Ceramic Articles
US-2022380260-A1 · Dec 1, 2022 · US
Method for preparing infrared radiation ceramic material
US-2022306540-A1 · Sep 29, 2022 · US
Method for preparing boron carbide material
US-2022306543-A1 · Sep 29, 2022 · US
Powder material for producing three-dimensional object, kit for producing three-dimensional object, and three-dimensional object producing method and apparatus
US-11426929-B2 · Aug 30, 2022 · US
Interface material formulations for additive fabrication
US-2022250991-A1 · Aug 11, 2022 · US
Support edifice for three-dimensional printing
US-11407180-B2 · Aug 9, 2022 · US
Method for producing SiC/SiC composite material
US-11220465-B2 · Jan 11, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B35/63456?
- CPC C04B35/63456 is the Cooperative Patent Classification code for “Polyurethanes; Polyisocyanates.”
- How many patents are filed under CPC C04B35/63456 (Polyurethanes; Polyisocyanates)?
- Our database includes 58 publications tagged with this CPC code.
- Is patent activity under CPC C04B35/63456 growing?
- Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).