Heterocyclic compound and electronic apparatus
US-2022367835-A1 · Nov 17, 2022 · US
with aryl radicals directly attached in position 2
with aryl radicals directly attached in position 2 · 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 | C07D249/20 |
| Official title | with aryl radicals directly attached in position 2 |
| Display label | with aryl radicals directly attached in position 2 |
| Total patents | 85 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 7 |
| 2017 | 7 |
| 2018 | 10 |
| 2019 | 13 |
| 2020 | 10 |
| 2021 | 6 |
| 2022 | 11 |
| 2023 | 3 |
| 2024 | 7 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Benzotriazole compound, light absorber, and resin composition
US-2022363650-A1 · Nov 17, 2022 · US
Substituted benzotriazole phenolate salts and antioxidant compositions formed therefrom
US-11078419-B2 · Aug 3, 2021 · US
Organic electroluminescent element
US-2021226132-A1 · Jul 22, 2021 · US
Organic electroluminescence device
US-11056653-B2 · Jul 6, 2021 · US
Ultraviolet radiation absorbing polymer composition
US-11046814-B2 · Jun 29, 2021 · US
Electronic apparatus
US-11004918-B2 · May 11, 2021 · US
Substituted benzotriazole phenols
US-10919867-B2 · Feb 16, 2021 · US
Aromatic sulfonamide derivatives
US-10844016-B2 · Nov 24, 2020 · US
Organic el device, amine compound having benzazole ring structure, and method in which said amine compound is used in capping layer of organic el device
US-2020365809-A1 · Nov 19, 2020 · US
Optical material comprising a red-shifted benzotriazole UV absorber
US-10838111-B2 · Nov 17, 2020 · US
UV-absorbing vinylic monomers and uses thereof
US-10823983-B2 · Nov 3, 2020 · US
Organic Electroluminescence Device
US-2020328353-A1 · Oct 15, 2020 · US
Ultraviolet radiation absorbing polymer composition
US-2020299459-A1 · Sep 24, 2020 · US
Polymerizable blockers of high energy light
US-10752720-B2 · Aug 25, 2020 · US
Substituted benzotriazole phenolate salts and antioxidant compositions formed therefrom
US-2020172809-A1 · Jun 4, 2020 · US
Substituted benzotriazole phenolate salts and antioxidant compositions formed therefrom
US-10669481-B2 · Jun 2, 2020 · US
Ultraviolet light absorbers
US-10619098-B2 · Apr 14, 2020 · US
Water-soluble UV-absorbing compounds and uses thereof
US-10472319-B2 · Nov 12, 2019 · US
Adjustable chromophore compounds and materials incorporating such compounds
US-10434489-B2 · Oct 8, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D249/20?
- CPC C07D249/20 is the Cooperative Patent Classification code for “with aryl radicals directly attached in position 2.”
- How many patents are filed under CPC C07D249/20 (with aryl radicals directly attached in position 2)?
- Our database includes 85 publications tagged with this CPC code.
- Is patent activity under CPC C07D249/20 growing?
- Publication counts under this code: 7 in 2024 vs 5 in 2025 (latest complete years).