Chemical functionalization of cellulosic materials with diazo compounds
US-12559577-B2 · Feb 24, 2026 · US
with nitrogen-containing groups
with nitrogen-containing groups · 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 | C08B11/14 |
| Official title | with nitrogen-containing groups |
| Display label | with nitrogen-containing groups |
| Total patents | 31 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 6 |
| 2019 | 5 |
| 2020 | 5 |
| 2022 | 2 |
| 2023 | 3 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Composition containing a modified hydroxyalkyl cellulose
US-12404477-B2 · Sep 2, 2025 · US
Chemical functionalization of cellulosic materials with diazo compounds
US-2023183383-A1 · Jun 15, 2023 · US
Hydroxy alkyl cellulose soil release agent with a cationic group and a C4—C12 hydrophobic group
US-11655435-B2 · May 23, 2023 · US
Method for producing cationized cellulose and cationized cellulose
US-2023014619-A1 · Jan 19, 2023 · US
Composition
US-2022228087-A1 · Jul 21, 2022 · US
Modified cellulose nanofiber and rubber composition including the same
US-11261302-B2 · Mar 1, 2022 · US
Cationic cellulose and composition for treating hair, skin, or fiber including same
US-2020375871-A1 · Dec 3, 2020 · US
Filtration method and production process of cellulose nanofiber dispersion
US-10850218-B2 · Dec 1, 2020 · US
Soil release agent
US-2020299615-A1 · Sep 24, 2020 · US
Composition containing cationic hydroxyethyl cellulose
US-2020147224-A1 · May 14, 2020 · US
Method for preparing modified nanocrystalline cellulose
US-10647783-B2 · May 12, 2020 · US
Modified cellulose nanofiber and rubber composition including the same
US-2019211163-A1 · Jul 11, 2019 · US
Method for preparing an emulsion
US-2019133898-A1 · May 9, 2019 · US
Rubber composition and pneumatic tire
US-2019119473-A1 · Apr 25, 2019 · US
Method for preparing modified nanocrystalline cellulose
US-2019055324-A1 · Feb 21, 2019 · US
Biopolymer, process for producing a biopolymer, process for producing paper, process for producing cellulose, use of a biopolymer product
US-2019010661-A1 · Jan 10, 2019 · US
Composition containing cationic hydroxyethyl cellulose
US-2018369393-A1 · Dec 27, 2018 · US
Modified polysaccharides
US-10143643-B2 · Dec 4, 2018 · US
Filtration method and production process of cellulose nanofiber dispersion
US-2018318740-A1 · Nov 8, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08B11/14?
- CPC C08B11/14 is the Cooperative Patent Classification code for “with nitrogen-containing groups.”
- How many patents are filed under CPC C08B11/14 (with nitrogen-containing groups)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC C08B11/14 growing?
- Publication counts under this code: 3 in 2023 vs 1 in 2025 (latest complete years).