Method for preparing nanocellulose using nonionic surfactants
US-2025257152-A1 · Aug 14, 2025 · US
Nitrogen or compounds thereof
Nitrogen or compounds thereof · 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 | C08G65/2672 |
| Official title | {Nitrogen or compounds thereof} |
| Display label | Nitrogen or compounds thereof |
| Total patents | 42 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 7 |
| 2023 | 6 |
| 2024 | 3 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for preparing a polyoxyalkylene carbonate polyol
US-12384869-B2 · Aug 12, 2025 · US
Cyclic amide initialized polyetheramine and uses thereof
US-12202937-B2 · Jan 21, 2025 · US
Process for preparing polyoxyalkylene polyester polyols
US-2025019486-A1 · Jan 16, 2025 · US
Polyol components and use thereof for the production of rigid polyurethane foams
US-12146022-B2 · Nov 19, 2024 · US
Polyphenylene ether, production method of the same, thermosetting composition, prepreg, and laminate
US-2024270903-A1 · Aug 15, 2024 · US
Laminate, display including the same, and article including the display
US-11931775-B2 · Mar 19, 2024 · US
Food or beverage contact articles coated with resins derived from reactions of phenols with polyolefinic terpenes
US-2023257625-A1 · Aug 17, 2023 · US
Process for preparing a polyoxyalkylene carbonate polyol
US-2023174705-A1 · Jun 8, 2023 · US
Method for producing polymer
US-2023103242-A1 · Mar 30, 2023 · US
Alkylene oxide polymerization using aluminum compounds and cyclic amidines
US-2023095201-A1 · Mar 30, 2023 · US
Method for producing an ether esterol
US-2023065278-A1 · Mar 2, 2023 · US
Composition for forming resist underlayer film
US-2023029997-A1 · Feb 2, 2023 · US
Method for preparing nanocellulose using nonionic surfactants
US-2022396639-A1 · Dec 15, 2022 · US
Methods of preparing compositions for containers and other articles and methods of using same
US-11525018-B2 · Dec 13, 2022 · US
Ring-opening polymerization method for cyclic monomer
US-2022298299-A1 · Sep 22, 2022 · US
Laminate, display including the same, and article including the display
US-2022184658-A1 · Jun 16, 2022 · US
Lewis acid-base pair catalytic initiator and application thereof
US-11247199-B2 · Feb 15, 2022 · US
Cyclic Amide Initialized Polyetheramine and Uses Thereof
US-2022033579-A1 · Feb 3, 2022 · US
Polycarbonate polyols
US-2022010060-A1 · Jan 13, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G65/2672?
- CPC C08G65/2672 is the Cooperative Patent Classification code for “Nitrogen or compounds thereof.”
- How many patents are filed under CPC C08G65/2672 (Nitrogen or compounds thereof)?
- Our database includes 42 publications tagged with this CPC code.
- Is patent activity under CPC C08G65/2672 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).