Polymer Composition
US-2026053973-A1 · Feb 26, 2026 · US
Crosslinking of starch · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08B31/003 |
| Official title | {Crosslinking of starch} |
| Display label | Crosslinking of starch |
| Total patents | 50 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 7 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 5 |
| 2022 | 7 |
| 2023 | 5 |
| 2024 | 6 |
| 2025 | 2 |
| 2026 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2026053973-A1 · Feb 26, 2026 · US
US-2026042870-A1 · Feb 12, 2026 · US
US-12466899-B2 · Nov 11, 2025 · US
US-12338370-B2 · Jun 24, 2025 · US
US-12110346-B2 · Oct 8, 2024 · US
US-2024258513-A1 · Aug 1, 2024 · US
US-2024150496-A1 · May 9, 2024 · US
US-11945883-B2 · Apr 2, 2024 · US
US-11891458-B2 · Feb 6, 2024 · US
US-2024034817-A1 · Feb 1, 2024 · US
US-11802223-B2 · Oct 31, 2023 · US
US-11802222-B2 · Oct 31, 2023 · US
US-11802376-B2 · Oct 31, 2023 · US
US-2023242795-A1 · Aug 3, 2023 · US
US-2023002648-A1 · Jan 5, 2023 · US
US-2022372346-A1 · Nov 24, 2022 · US
US-2022306769-A1 · Sep 29, 2022 · US
US-2022227893-A1 · Jul 21, 2022 · US
US-11384264-B2 · Jul 12, 2022 · US
US-11369895-B2 · Jun 28, 2022 · US
Answers are generated from the same data shown on this page.