Polymer dispersant for well cementing
US-11898087-B2 · Feb 13, 2024 · US
Sulfonated melamine-formaldehyde condensation products · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C04B24/223 |
| Official title | {Sulfonated melamine-formaldehyde condensation products} |
| Display label | Sulfonated melamine-formaldehyde condensation products |
| Total patents | 26 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11898087-B2 · Feb 13, 2024 · US
US-2023151260-A1 · May 18, 2023 · US
US-11299958-B2 · Apr 12, 2022 · US
US-11148975-B2 · Oct 19, 2021 · US
US-11130709-B2 · Sep 28, 2021 · US
US-11021398-B2 · Jun 1, 2021 · US
US-10689303-B2 · Jun 23, 2020 · US
US-10435332-B2 · Oct 8, 2019 · US
US-10208180-B2 · Feb 19, 2019 · US
US-9988306-B2 · Jun 5, 2018 · US
US-9919967-B2 · Mar 20, 2018 · US
US-9850363-B2 · Dec 26, 2017 · US
US-9802861-B2 · Oct 31, 2017 · US
US-9670094-B2 · Jun 6, 2017 · US
US-9650298-B2 · May 16, 2017 · US
US-9593047-B2 · Mar 14, 2017 · US
US-9580638-B2 · Feb 28, 2017 · US
US-9328025-B2 · May 3, 2016 · US
US-2016115077-A1 · Apr 28, 2016 · US
US-2016107932-A1 · Apr 21, 2016 · US
Answers are generated from the same data shown on this page.