High temperature fiber and method of making
US-2024368041-A1 · Nov 7, 2024 · US
Phenol-formaldehyde condensation polymers
Phenol-formaldehyde condensation polymers · 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 | C04B35/63476 |
| Official title | {Phenol-formaldehyde condensation polymers} |
| Display label | Phenol-formaldehyde condensation polymers |
| Total patents | 72 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 8 |
| 2019 | 7 |
| 2020 | 6 |
| 2021 | 9 |
| 2022 | 7 |
| 2023 | 8 |
| 2024 | 7 |
| 2025 | 8 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High temperature fiber and method of making
US-12071378-B2 · Aug 27, 2024 · US
Fabrication of fluid devices and fluid devices produced
US-2024174575-A1 · May 30, 2024 · US
Sintered body and component part including same
US-2024158304-A1 · May 16, 2024 · US
Sintered body and parts including same
US-2024140875-A1 · May 2, 2024 · US
Method for manufacturing a ceramic matrix composite part
US-2023399265-A1 · Dec 14, 2023 · US
Composites and methods of forming composites having an increased volume of oxidation resistant ceramic particles
US-2023382810-A1 · Nov 30, 2023 · US
Dispersion for silicon carbide sintered body, green sheet for silicon carbide sintered body and prepreg material for silicon carbide sintered body using the same, and manufacturing method thereof
US-11760697-B2 · Sep 19, 2023 · US
High temperature composites and methods for preparing high temperature composites
US-2023227369-A1 · Jul 20, 2023 · US
Magnesium aluminate spinel reinforced magnesium oxide-based foam ceramic filter synthesized in situ from magnesium oxide whisker, and preparation method therefor
US-11702366-B2 · Jul 18, 2023 · US
High temperature composites and methods for preparing high temperature composites
US-2023150887-A1 · May 18, 2023 · US
Graphite-containing refractory and method of producing graphite-containing refractory
US-11629916-B2 · Apr 18, 2023 · US
Wafer boat
US-2023111655-A1 · Apr 13, 2023 · US
Ceramic component and method of manufacturing ceramic component
US-2022380262-A1 · Dec 1, 2022 · US
Methods of fabrication of ceramic mirror blanks
US-2022314488-A1 · Oct 6, 2022 · US
Marking system for moldable substrates
US-2022314675-A1 · Oct 6, 2022 · US
High-entropy nitride ceramic fiber and preparation method and use thereof
US-2022274888-A1 · Sep 1, 2022 · US
Marking system for moldable substrates
US-11396197-B2 · Jul 26, 2022 · US
Magnesium oxide based dielectric ceramics with ultrahigh dielectric breakdown strength and its preparation method
US-11299427-B2 · Apr 12, 2022 · US
Porous Composite Material Capable of Generating Electric Arc in Microwave Field, Preparation Method therefor, and Use thereof
US-2022008882-A1 · Jan 13, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B35/63476?
- CPC C04B35/63476 is the Cooperative Patent Classification code for “Phenol-formaldehyde condensation polymers.”
- How many patents are filed under CPC C04B35/63476 (Phenol-formaldehyde condensation polymers)?
- Our database includes 72 publications tagged with this CPC code.
- Is patent activity under CPC C04B35/63476 growing?
- Publication counts under this code: 7 in 2024 vs 8 in 2025 (latest complete years).