Latent heat storage gypsum board and partition structure
US-12492330-B2 · Dec 9, 2025 · US
Polyvinylalcohols, polyvinylacetates
Polyvinylalcohols, polyvinylacetates · 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 | C04B41/4869 |
| Official title | {Polyvinylalcohols, polyvinylacetates} |
| Display label | Polyvinylalcohols, polyvinylacetates |
| Total patents | 28 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Crack self-healing agent for cement-based materials capable of binding corrosive ions in seawater, and preparation method thereof
US-12351528-B2 · Jul 8, 2025 · US
Method for producing a cementitious board, apparatus for producing a cementitious board, and cementitious board
US-12330333-B2 · Jun 17, 2025 · US
Boron nitride aerogel interface coating precursor for ceramic matrix composites
US-12157704-B2 · Dec 3, 2024 · US
Latent heat storage gypsum board and partition structure
US-2024247176-A1 · Jul 25, 2024 · US
Boron nitride aerogel interface coating precursor for ceramic matrix composites
US-2024199498-A1 · Jun 20, 2024 · US
Method for producing a cementitious board, apparatus for producing a cementitious board, and cementitious board
US-2024066754-A1 · Feb 29, 2024 · US
Method for producing a cementitious board, apparatus for producing a cementitious board, and cementitious board
US-11911928-B2 · Feb 27, 2024 · US
Fiber tows with a heat-activated sizing
US-11639316-B2 · May 2, 2023 · US
Method for producing a cementitious board, apparatus for producing a cementitious board, and cementitious board
US-2023020474-A1 · Jan 19, 2023 · US
Crack self-healing agent for cement-based materials capable of binding corrosive ions in seawater, and preparation method thereof
US-2022135490-A1 · May 5, 2022 · US
Fiber tows with a heat-activated sizing
US-2022033319-A1 · Feb 3, 2022 · US
Method of producing cylindrical film-coated honeycomb structure and method of producing catalyst
US-2021220811-A1 · Jul 22, 2021 · US
Hydrophobic finish compositions with extended flow time retention and building products made thereof
US-10815149-B2 · Oct 27, 2020 · US
Building assembly containing a water barrier coating film and method of making the building assembly
US-10472293-B2 · Nov 12, 2019 · US
Metal-based aluminum nitride composite material and preparation method therefor
US-2019337856-A1 · Nov 7, 2019 · US
Hydrophobic finish compositions with extended flow time retention and building products made thereof
US-10399898-B2 · Sep 3, 2019 · US
Hydrophobic finish compositions with extended flow time retention and building products made thereof
US-2019055161-A1 · Feb 21, 2019 · US
Hydrophobic finish compositions with extended flow time retention and building products made thereof
US-10155692-B2 · Dec 18, 2018 · US
Bi-component fibers with EVOH on the surface for concrete reinforcement
US-10081885-B2 · Sep 25, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B41/4869?
- CPC C04B41/4869 is the Cooperative Patent Classification code for “Polyvinylalcohols, polyvinylacetates.”
- How many patents are filed under CPC C04B41/4869 (Polyvinylalcohols, polyvinylacetates)?
- Our database includes 28 publications tagged with this CPC code.
- Is patent activity under CPC C04B41/4869 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).