Dye-labeled polymers and methods for preparing same
US-2024327655-A1 · Oct 3, 2024 · US
containing oxygen as the only heteroatom
containing oxygen as the only heteroatom · 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 | C09K2211/145 |
| Official title | containing oxygen as the only heteroatom |
| Display label | containing oxygen as the only heteroatom |
| Total patents | 96 |
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 | 14 |
| 2017 | 13 |
| 2018 | 12 |
| 2019 | 9 |
| 2020 | 4 |
| 2021 | 6 |
| 2022 | 5 |
| 2023 | 10 |
| 2024 | 6 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Perchloroethylene derivative and use thereof
US-2020332105-A1 · Oct 22, 2020 · US
Rare-earth complex polymer
US-10745614-B2 · Aug 18, 2020 · US
Self-assembled peptide nucleic acids
US-10446768-B2 · Oct 15, 2019 · US
Polyfluoreno[4,5-cde]oxepine conjugates and their use in methods of analyte detection
US-10316136-B2 · Jun 11, 2019 · US
Yellow to transmissive electrochromic polymers
US-10294416-B2 · May 21, 2019 · US
Broadly absorbing electrochromic polymers
US-10294326-B2 · May 21, 2019 · US
Compositions comprising a polymeric dye and a cyclodextrin and uses thereof
US-2019136065-A1 · May 9, 2019 · US
Rare-earth complex polymer
US-2019119567-A1 · Apr 25, 2019 · US
Fluorescent starch nanocrystal and preparation method and application thereof
US-10246523-B2 · Apr 2, 2019 · US
Photochromic molecule-cyclodextrin inclusion compounds and method for making same
US-2019062625-A1 · Feb 28, 2019 · US
Photochromic ophthalmic lens and method for making the same
US-2019062624-A1 · Feb 28, 2019 · US
Emitter having a condensed ring system
US-10115903-B2 · Oct 30, 2018 · US
Triphenylene-based materials for organic electroluminescent devices
US-2018269411-A1 · Sep 20, 2018 · US
Materials for electronic devices
US-2018248124-A1 · Aug 30, 2018 · US
Polymer compound, material for electronic elements, material for organic electroluminescent elements, and organic electroluminescent element
US-10038143-B2 · Jul 31, 2018 · US
Polyfluoreno[4,5-cde]oxepine Conjugates and Their Use in Methods of Analyte Detection
US-2018171070-A1 · Jun 21, 2018 · US
Triphenylene-based materials for organic electroluminescent devices
US-9985226-B2 · May 29, 2018 · US
Polymer compound, luminescent material, and light emitting device
US-9976078-B2 · May 22, 2018 · US
Materials for electronic devices
US-9978949-B2 · May 22, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K2211/145?
- CPC C09K2211/145 is the Cooperative Patent Classification code for “containing oxygen as the only heteroatom.”
- How many patents are filed under CPC C09K2211/145 (containing oxygen as the only heteroatom)?
- Our database includes 96 publications tagged with this CPC code.
- Is patent activity under CPC C09K2211/145 growing?
- Publication counts under this code: 6 in 2024 vs 6 in 2025 (latest complete years).