Super absorbing resin composite with base material for improving soil water retention
US-12281253-B2 · Apr 22, 2025 · US
the organic compound being of natural origin, e.g. cellulose derivatives · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C09K17/50 |
| Official title | the organic compound being of natural origin, e.g. cellulose derivatives |
| Display label | the organic compound being of natural origin, e.g. cellulose derivatives |
| Total patents | 28 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 2 |
| 2024 | 5 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12281253-B2 · Apr 22, 2025 · US
US-2025084312-A1 · Mar 13, 2025 · US
US-12052953-B1 · Aug 6, 2024 · US
US-2024238758-A1 · Jul 18, 2024 · US
US-2024199956-A1 · Jun 20, 2024 · US
US-2024138416-A1 · May 2, 2024 · US
US-2024043746-A1 · Feb 8, 2024 · US
US-2022267674-A1 · Aug 25, 2022 · US
US-11352559-B2 · Jun 7, 2022 · US
US-11097241-B2 · Aug 24, 2021 · US
US-11091698-B2 · Aug 17, 2021 · US
US-10864492-B2 · Dec 15, 2020 · US
US-10794029-B2 · Oct 6, 2020 · US
US-10781372-B2 · Sep 22, 2020 · US
US-2020283682-A1 · Sep 10, 2020 · US
US-2020102498-A1 · Apr 2, 2020 · US
US-2019344235-A1 · Nov 14, 2019 · US
US-2019344234-A1 · Nov 14, 2019 · US
US-2019256770-A1 · Aug 22, 2019 · US
US-2019201859-A1 · Jul 4, 2019 · US
Answers are generated from the same data shown on this page.