Compound, polymerizable composition, hologram recording medium, polymer, optical material, and optical component
US-2026028312-A1 · Jan 29, 2026 · US
to carbon atoms of hydrocarbon radicals substituted by singly-bound oxygen atoms · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C271/48 |
| Official title | to carbon atoms of hydrocarbon radicals substituted by singly-bound oxygen atoms |
| Display label | to carbon atoms of hydrocarbon radicals substituted by singly-bound oxygen atoms |
| Total patents | 34 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 7 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 3 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2026028312-A1 · Jan 29, 2026 · US
US-12479940-B2 · Nov 25, 2025 · US
US-12325709-B2 · Jun 10, 2025 · US
US-2025064989-A1 · Feb 27, 2025 · US
US-12138320-B2 · Nov 12, 2024 · US
US-11827586-B2 · Nov 28, 2023 · US
US-11780819-B2 · Oct 10, 2023 · US
US-11731991-B2 · Aug 22, 2023 · US
US-11718580-B2 · Aug 8, 2023 · US
US-2022348586-A1 · Nov 3, 2022 · US
US-2022306787-A1 · Sep 29, 2022 · US
US-2022153693-A1 · May 19, 2022 · US
US-2022144738-A1 · May 12, 2022 · US
US-2021346525-A1 · Nov 11, 2021 · US
US-2021253517-A1 · Aug 19, 2021 · US
US-2021206901-A1 · Jul 8, 2021 · US
US-2021155599-A1 · May 27, 2021 · US
US-2021155585-A1 · May 27, 2021 · US
US-2021155584-A1 · May 27, 2021 · US
US-2021155581-A1 · May 27, 2021 · US
Answers are generated from the same data shown on this page.