Process for producing a crosslinked cellulose ether
US-12291582-B2 · May 6, 2025 · US
Rendering cellulose suitable for etherification {(etherification per se C08B11/00)} · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08B1/06 |
| Official title | Rendering cellulose suitable for etherification {(etherification per se C08B11/00)} |
| Display label | Rendering cellulose suitable for etherification {(etherification per se C08B11/00)} |
| Total patents | 37 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 10 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 5 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12291582-B2 · May 6, 2025 · US
US-11851544-B2 · Dec 26, 2023 · US
US-2023301920-A1 · Sep 28, 2023 · US
US-11760843-B2 · Sep 19, 2023 · US
US-2023227615-A1 · Jul 20, 2023 · US
US-11591412-B2 · Feb 28, 2023 · US
US-2022384816-A1 · Dec 1, 2022 · US
US-11365266-B2 · Jun 21, 2022 · US
US-2022127381-A1 · Apr 28, 2022 · US
US-2021163629-A1 · Jun 3, 2021 · US
US-2020385491-A1 · Dec 10, 2020 · US
US-2020362132-A1 · Nov 19, 2020 · US
US-10767023-B2 · Sep 8, 2020 · US
US-2019010661-A1 · Jan 10, 2019 · US
US-2018327704-A1 · Nov 15, 2018 · US
US-2018282435-A1 · Oct 4, 2018 · US
US-10053662-B2 · Aug 21, 2018 · US
US-2018127515-A1 · May 10, 2018 · US
US-9926385-B2 · Mar 27, 2018 · US
US-2017114203-A1 · Apr 27, 2017 · US
Answers are generated from the same data shown on this page.