Biodegradable polyester
US-11746174-B2 · Sep 5, 2023 · US
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Cellulose formate
Cellulose formate · 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 | C08B3/04 |
| Official title | Cellulose formate |
| Display label | Cellulose formate |
| Total patents | 11 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 1 |
| 2021 | 1 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Biodegradable polyester
US-2021171692-A1 · Jun 10, 2021 · US
Regioselectively substituted cellulose esters produced in a tetraalkylammonium alkylphosphate ionic liquid process and products produced therefrom
US-9926384-B2 · Mar 27, 2018 · US
Crystalline cellulose gel-based cryptands, surface active agents, emulsions and vesicles
US-2017000903-A1 · Jan 5, 2017 · US
Cellulose fibers and process for producing the same, cellulose fiber assembly, and cellulose-fiber composite material
US-9309385-B2 · Apr 12, 2016 · US
Cellulose interpolymers and method of oxidation
US-9243072-B2 · Jan 26, 2016 · US
Regioselectively substituted cellulose esters produced in a halogenated ionic liquid process and products produced therefrom
US-9175096-B2 · Nov 3, 2015 · US
Cellulose interpolymers and method of oxidation
US-9150665-B2 · Oct 6, 2015 · US
Cellulose interpolymers and method of oxidation
US-9040685-B2 · May 26, 2015 · US
Cellulose interpolymers and method of oxidation
US-9040684-B2 · May 26, 2015 · US
Cellulose interpolymers and method of oxidation
US-9040683-B2 · May 26, 2015 · US