Near-infrared absorbing composition, near-infrared absorbing film, nearinfrared absorbing filter and image sensor for solid-state imaging elements
US-2023340269-A1 · Oct 26, 2023 · US
Aromatic acids (P-C aromatic linkage)
Aromatic acids (P-C aromatic linkage) · 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 | C07F9/3834 |
| Official title | {Aromatic acids (P-C aromatic linkage)} |
| Display label | Aromatic acids (P-C aromatic linkage) |
| Total patents | 77 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 5 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 6 |
| 2020 | 6 |
| 2021 | 5 |
| 2022 | 10 |
| 2023 | 5 |
| 2024 | 9 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Wet etching composition and method
US-11781066-B2 · Oct 10, 2023 · US
Electronic switching device
US-2023301173-A1 · Sep 21, 2023 · US
Modified graphene, method of producing modified graphene, modified graphene-resin composite, modified graphene sheet, and modified graphene dispersion
US-2023127728-A1 · Apr 27, 2023 · US
Compounds and methods for inhibiting nhe-mediated antiport in the treatment of disorders associated with fluid retention or salt overload and gastrointestinal tract disorders
US-2023031776-A1 · Feb 2, 2023 · US
Modified graphene, method of producing modified graphene, modified graphene-resin composite, modified graphene sheet, and modified graphene dispersion
US-11518889-B2 · Dec 6, 2022 · US
Wet etching composition and method
US-2022275276-A1 · Sep 1, 2022 · US
Aromatic compounds
US-2022238816-A1 · Jul 28, 2022 · US
Light-absorbing composition and optical filter
US-2022206198-A1 · Jun 30, 2022 · US
Wet etching composition and method
US-11365351-B2 · Jun 21, 2022 · US
Compounds and methods for inhibiting NHE-mediated antiport in the treatment of disorders associated with fluid retention or salt overload and gastrointestinal tract disorders
US-11318129-B2 · May 3, 2022 · US
Quinazoline and indole compounds to treat medical disorders
US-2022119400-A1 · Apr 21, 2022 · US
Heterocyclic compound, organic light-emitting device including heterocyclic compound, and electronic apparatus including organic light-emitting device
US-2022115600-A1 · Apr 14, 2022 · US
Light-absorbing composition and optical filter
US-11300719-B2 · Apr 12, 2022 · US
Quinazoline and indole compounds to treat medical disorders
US-11248000-B2 · Feb 15, 2022 · US
Positive electrode active material for magnesium batteries
US-2021280870-A1 · Sep 9, 2021 · US
Compositions and methods for using fixed biological samples in partition-based assays
US-2021190770-A1 · Jun 24, 2021 · US
Wet etching composition and method
US-2021108140-A1 · Apr 15, 2021 · US
Quinazoline and indole compounds to treat medical disorders
US-10961252-B2 · Mar 30, 2021 · US
STAT3 dimerization inhibitors
US-10954258-B2 · Mar 23, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07F9/3834?
- CPC C07F9/3834 is the Cooperative Patent Classification code for “Aromatic acids (P-C aromatic linkage).”
- How many patents are filed under CPC C07F9/3834 (Aromatic acids (P-C aromatic linkage))?
- Our database includes 77 publications tagged with this CPC code.
- Is patent activity under CPC C07F9/3834 growing?
- Publication counts under this code: 9 in 2024 vs 7 in 2025 (latest complete years).