Substoichiometric alkoxylated polyethers
US-2018371165-A1 · Dec 27, 2018 · US
containing nitrogen
containing nitrogen · 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 | C08G65/333 |
| Official title | containing nitrogen |
| Display label | containing nitrogen |
| Total patents | 240 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 25 |
| 2017 | 16 |
| 2018 | 28 |
| 2019 | 25 |
| 2020 | 29 |
| 2021 | 28 |
| 2022 | 30 |
| 2023 | 9 |
| 2024 | 17 |
| 2025 | 19 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Non-fused aromatic dispersant composition
US-10150838-B2 · Dec 11, 2018 · US
Polymer Conjugate Of Hexa-Coordinated Platinum Complex
US-2018250332-A1 · Sep 6, 2018 · US
Ultraviolet radiation absorbing polymer composition
US-2018092819-A1 · Apr 5, 2018 · US
Compound, modified polymer, rubber composition, tire, and conveyor belt
US-9932417-B1 · Apr 3, 2018 · US
Biodegradable polyethylene glycol derivative having cyclic benzylidene acetal linker
US-2018078651-A1 · Mar 22, 2018 · US
Polymer-active agent conjugate
US-9839695-B2 · Dec 12, 2017 · US
Phthalonitrile resin
US-2017321007-A1 · Nov 9, 2017 · US
Amphotericin b derivatives
US-2017319705-A1 · Nov 9, 2017 · US
Fluoropolyether-based elastomers having low glass transition temperature
US-9803039-B2 · Oct 31, 2017 · US
Biodegradable crosslinked polymers
US-9783650-B2 · Oct 10, 2017 · US
Ultraviolet radiation absorbing polyethers
US-9758618-B2 · Sep 12, 2017 · US
Amphotericin B derivatives
US-9750817-B2 · Sep 5, 2017 · US
Amino sulfonic acid based polymers for copper electroplating
US-9725816-B2 · Aug 8, 2017 · US
Epimorphic regeneration and related hydrogel delivery systems
US-9675607-B2 · Jun 13, 2017 · US
Hydrophilic polymer derivative having cyclic benzylidene acetal linker
US-2017107325-A1 · Apr 20, 2017 · US
Amino sulfonic acid based polymers for copper electroplating
US-9598786-B2 · Mar 21, 2017 · US
Method for preparing functionalized polymers from polymer alcohols
US-2017073468-A1 · Mar 16, 2017 · US
Polymer derivatives
US-9574048-B2 · Feb 21, 2017 · US
Amphotericin b derivatives
US-2017043029-A1 · Feb 16, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G65/333?
- CPC C08G65/333 is the Cooperative Patent Classification code for “containing nitrogen.”
- How many patents are filed under CPC C08G65/333 (containing nitrogen)?
- Our database includes 240 publications tagged with this CPC code.
- Is patent activity under CPC C08G65/333 growing?
- Publication counts under this code: 17 in 2024 vs 19 in 2025 (latest complete years).