Positive-electrode active material for secondary cell, and method for manufacturing the same
US-11742485-B2 · Aug 29, 2023 · US
from products of vegetable origin or derivatives thereof, e.g. from cellulose acetate (D01F9/18 takes precedence)
from products of vegetable origin or derivatives thereof, e.g. from cellulose acetate (D01F9/18 takes precedence) · Cooperative Patent Classification (CPC)
Textile and paper production, treatment, and products.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | D01F9/16 |
| Official title | from products of vegetable origin or derivatives thereof, e.g. from cellulose acetate (D01F9/18 takes precedence) |
| Display label | from products of vegetable origin or derivatives thereof, e.g. from cellulose acetate (D01F9/18 takes precedence) |
| Total patents | 77 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 6 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 11 |
| 2020 | 7 |
| 2021 | 6 |
| 2022 | 8 |
| 2023 | 5 |
| 2024 | 6 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for Producing Cellulose Nanofiber Carbon
US-2022205143-A1 · Jun 30, 2022 · US
Activated carbon fiber sheet for motor vehicle canister
US-2022161229-A1 · May 26, 2022 · US
Adsorbent for canister
US-2022161182-A1 · May 26, 2022 · US
Activated carbon fiber sheet for motor vehicle canister
US-2022152580-A1 · May 19, 2022 · US
Method of producing cellulose-nanofiber carbon
US-11319209-B2 · May 3, 2022 · US
Cellulose Nanofiber Carbon and Method for Producing Same
US-2022098040-A1 · Mar 31, 2022 · US
Carbon fibre
US-2022064407-A1 · Mar 3, 2022 · US
Process for producing highly carbonaceous materials and the highly carbonaceous material obtained
US-11214523-B2 · Jan 4, 2022 · US
Activated carbon fiber sheet for motor vehicle canister
US-2021198111-A1 · Jul 1, 2021 · US
Cellulose-Nanofiber Carbon and Method for Producing the Same
US-2021163293-A1 · Jun 3, 2021 · US
Process for the manufacture of a shaped body
US-10968540-B2 · Apr 6, 2021 · US
High temperature bio-char carbonization and micron grinding and classification for inclusion into master batch polymerization
US-10927304-B2 · Feb 23, 2021 · US
Method for producing roll-type gas diffusion layer having excellent spreading property
US-10923732-B2 · Feb 16, 2021 · US
High temperature bio-char carbonization and micron grinding and classification for inclusion into master batch polymerization
US-10913900-B2 · Feb 9, 2021 · US
Process for producing carbon fibres from biosourced precursors and the carbon fibres obtained
US-10844521-B2 · Nov 24, 2020 · US
Thermoplastic polymers synthesized from depolymerized lignin via free radical polymerization
US-2020255572-A1 · Aug 13, 2020 · US
High temperature bio-char carbonization and micron grinding and classification for inclusion into master batch polymerization
US-2020208066-A1 · Jul 2, 2020 · US
High temperature bio-char carbonization and micron grinding and classification for inclusion into master batch polymerization
US-2020208065-A1 · Jul 2, 2020 · US
Fiber and a process for the manufacture thereof
US-10626523-B2 · Apr 21, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D01F9/16?
- CPC D01F9/16 is the Cooperative Patent Classification code for “from products of vegetable origin or derivatives thereof, e.g. from cellulose acetate (D01F9/18 takes precedence).”
- How many patents are filed under CPC D01F9/16 (from products of vegetable origin or derivatives thereof, e.g. from cellulose acetate (D01F9/18 takes precedence))?
- Our database includes 77 publications tagged with this CPC code.
- Is patent activity under CPC D01F9/16 growing?
- Publication counts under this code: 6 in 2024 vs 7 in 2025 (latest complete years).