Triboelectric nanogenerators based on chemically treated cellulose
US-10277147-B2 · Apr 30, 2019 · US
Cellulose derivatives
Cellulose derivatives · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B29K2001/08 |
| Official title | {Cellulose derivatives} |
| Display label | Cellulose derivatives |
| Total patents | 161 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 15 |
| 2017 | 13 |
| 2018 | 15 |
| 2019 | 25 |
| 2020 | 13 |
| 2021 | 13 |
| 2022 | 17 |
| 2023 | 11 |
| 2024 | 8 |
| 2025 | 13 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gastric retentive devices
US-2018369138-A1 · Dec 27, 2018 · US
Method of additive manufacturing to make objects having improved and tailored properties
US-2018361657-A1 · Dec 20, 2018 · US
Polyester resin composition
US-10093798-B2 · Oct 9, 2018 · US
Aqueous composition comprising dispersed esterified cellulose ether
US-2018282526-A1 · Oct 4, 2018 · US
Injection molding composition containing hypromellose acetate succinate and method for producing same
US-2018282527-A1 · Oct 4, 2018 · US
Polymer material, film, circular polarizing plate, image display apparatus, and manufacturing method for film
US-2018282438-A1 · Oct 4, 2018 · US
Apparatus for continuously producing chemically-modified cellulose and method used in same
US-2018265599-A1 · Sep 20, 2018 · US
Improving the purity of materials recycled from disposable absorbent articles
US-2018236692-A1 · Aug 23, 2018 · US
Cellulose thin film electrode comprising silver nano dendrite and method of manufacturing the same
US-2018211795-A1 · Jul 26, 2018 · US
Support materials for 3d printing
US-2018147785-A1 · May 31, 2018 · US
Implantable Devices for Bone or Joint Defects
US-2018133374-A1 · May 17, 2018 · US
Method for producing three-dimensional object
US-2018126603-A1 · May 10, 2018 · US
Long stretched film and production method therefor
US-9952370-B2 · Apr 24, 2018 · US
Needle-shaped body and method for manufacturing needle-shaped body
US-9919141-B2 · Mar 20, 2018 · US
Implantable devices for bone or joint defects
US-9889235-B2 · Feb 13, 2018 · US
Triboelectric nanogenerators based on chemically treated cellulose
US-2017359001-A1 · Dec 14, 2017 · US
Laminate film manufacturing method
US-9827752-B2 · Nov 28, 2017 · US
Natural Polymer-Based Porous Orthopedic Fixation Screw for Bone Repair and Regeneration
US-2017303980-A1 · Oct 26, 2017 · US
Resin composition, resin molded article, and method of preparing resin composition
US-2017275383-A1 · Sep 28, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29K2001/08?
- CPC B29K2001/08 is the Cooperative Patent Classification code for “Cellulose derivatives.”
- How many patents are filed under CPC B29K2001/08 (Cellulose derivatives)?
- Our database includes 161 publications tagged with this CPC code.
- Is patent activity under CPC B29K2001/08 growing?
- Publication counts under this code: 8 in 2024 vs 13 in 2025 (latest complete years).