Hydrophilic coating material, method of producing hydrophilic coating film, and inkjet recording head
US-11384251-B2 · Jul 12, 2022 · US
Alginic acid; Derivatives thereof
Alginic acid; Derivatives thereof · 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 | C09D105/04 |
| Official title | Alginic acid; Derivatives thereof |
| Display label | Alginic acid; Derivatives thereof |
| Total patents | 80 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 12 |
| 2017 | 9 |
| 2018 | 7 |
| 2019 | 8 |
| 2020 | 8 |
| 2021 | 6 |
| 2022 | 10 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydrophobic alginic acid particle group and method for producing same
US-2022127435-A1 · Apr 28, 2022 · US
Method for coating metal surfaces of substrates, and objects coated according to said method
US-11261337-B2 · Mar 1, 2022 · US
PEM layer-by-layer systems for coating substrates to improve bioactivity and biomolecule delivery
US-11149166-B2 · Oct 19, 2021 · US
Decellularization and recellularization of whole organs
US-2021187162-A1 · Jun 24, 2021 · US
Bioink and crosslinkable support medium for printing
US-2021154368-A1 · May 27, 2021 · US
Silk ink compositions and methods of making and using the same
US-2021155812-A1 · May 27, 2021 · US
Decellularization and recellularization of whole organs
US-10918765-B2 · Feb 16, 2021 · US
Two-component bioink, 3D biomaterial comprising the same and method for preparing the same
US-10894895-B2 · Jan 19, 2021 · US
Hydrophilic coating material, method of producing hydrophilic coating film, and inkjet recording head
US-2020407583-A1 · Dec 31, 2020 · US
Seed coatings, coating compositions and methods for use
US-2020369906-A1 · Nov 26, 2020 · US
Anti-adherent composition
US-2020354591-A1 · Nov 12, 2020 · US
Process for preparing multi-color dispersions and multi-color dispersions made thereof
US-10767070-B2 · Sep 8, 2020 · US
Seed coatings, coating compositions and methods for use
US-10745578-B2 · Aug 18, 2020 · US
Controlled break enzyme formulations
US-2020115609-A1 · Apr 16, 2020 · US
Eluting matrix and uses thereof
US-10580262-B2 · Mar 3, 2020 · US
Biobased membrane
US-10570304-B2 · Feb 25, 2020 · US
Method for coating metal surfaces of substrates, and objects coated according to said method
US-2019382615-A1 · Dec 19, 2019 · US
Poss nanocomposite hydrogel for 3d bioprinting
US-2019328930-A1 · Oct 31, 2019 · US
Method for coating metal surfaces of substrates, and objects coated according to said method
US-10400135-B2 · Sep 3, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09D105/04?
- CPC C09D105/04 is the Cooperative Patent Classification code for “Alginic acid; Derivatives thereof.”
- How many patents are filed under CPC C09D105/04 (Alginic acid; Derivatives thereof)?
- Our database includes 80 publications tagged with this CPC code.
- Is patent activity under CPC C09D105/04 growing?
- Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).