Sulfate ester modified cellulose nanofibers and method for producing cellulose nanofibers
US-12084525-B2 · Sep 10, 2024 · US
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Preparation of cellulose esters of both organic and inorganic acids {(rendering cellulose suitable for esterification C08B1/02)}
Preparation of cellulose esters of both organic and inorganic acids {(rendering cellulose suitable for esterification C08B1/02)} · 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 | C08B7/00 |
| Official title | Preparation of cellulose esters of both organic and inorganic acids {(rendering cellulose suitable for esterification C08B1/02)} |
| Display label | Preparation of cellulose esters of both organic and inorganic acids {(rendering cellulose suitable for esterification C08B1/02)} |
| Total patents | 6 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2018 | 1 |
| 2020 | 1 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sulfate ester modified cellulose nanofibers and method for producing cellulose nanofibers
US-2023054106-A1 · Feb 23, 2023 · US
Sulfate ester modified cellulose nanofibers and method for producing cellulose nanofibers
US-11535682-B2 · Dec 27, 2022 · US
Fine cellulose fiber and method for producing same
US-11441243-B2 · Sep 13, 2022 · US
Fine cellulose fiber and method for producing same
US-2020063292-A1 · Feb 27, 2020 · US
Degradable downhole tools comprising cellulosic derivatives
US-2018128070-A1 · May 10, 2018 · US