Compounds, compositions, methods of using, and methods for preparing compounds
US-2021267932-A1 · Sep 2, 2021 · US
with carboxylic acids or their derivatives
with carboxylic acids or their derivatives · 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 | C07C45/455 |
| Official title | {with carboxylic acids or their derivatives} |
| Display label | with carboxylic acids or their derivatives |
| Total patents | 91 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 12 |
| 2017 | 10 |
| 2018 | 6 |
| 2019 | 5 |
| 2020 | 10 |
| 2021 | 11 |
| 2022 | 6 |
| 2023 | 8 |
| 2024 | 9 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Synthesis of coelenterazine
US-11078200-B2 · Aug 3, 2021 · US
Synthesis of cyclic organic compounds and metallocenes
US-11059840-B2 · Jul 13, 2021 · US
Supported metal catalyst
US-11052377-B2 · Jul 6, 2021 · US
Synthesis of cyclic organic compounds and metallocenes
US-2021163518-A1 · Jun 3, 2021 · US
Processes for preparing 4-methyl-5-nonanone and 4-methyl-5-nonanol
US-10882805-B2 · Jan 5, 2021 · US
Method for producing benzoyl formic acid compound and pyridazine compound
US-2020385328-A1 · Dec 10, 2020 · US
Cyclization processes of hydroxyalkenoic acids and products thereof
US-10844050-B2 · Nov 24, 2020 · US
Substituted 1,2,3,4-tetrahydro-1,1'-biphenyl compounds
US-2020299253-A1 · Sep 24, 2020 · US
Supported metal catalyst
US-2020290018-A1 · Sep 17, 2020 · US
Synthesis of cyclic organic compounds and metallocenes
US-2020277320-A1 · Sep 3, 2020 · US
Synthesis of coelenterazine
US-2020239471-A1 · Jul 30, 2020 · US
Processes for preparing 4-methyl-5-nonanone and 4-methyl-5-nonanol
US-2020199053-A1 · Jun 25, 2020 · US
Processes for preparing 4-methyl-5-nonanone and 4-methyl-5-nonanol
US-2020199052-A1 · Jun 25, 2020 · US
Synthesis of cannabinoids
US-10640482-B2 · May 5, 2020 · US
Cyclization processes of hydroxyalkenoic aicds and products thereof
US-2020048233-A1 · Feb 13, 2020 · US
Process for preparing Z-endoxifen of high purity
US-10464881-B2 · Nov 5, 2019 · US
Process for the manufacture of hydroxy-substituted aromatic compounds
US-2019218181-A1 · Jul 18, 2019 · US
Process for synthesis of indenes
US-2019071462-A1 · Mar 7, 2019 · US
New vanillin and or ethylvanillin, process for their preparations and use thereof
US-2019031588-A1 · Jan 31, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C45/455?
- CPC C07C45/455 is the Cooperative Patent Classification code for “with carboxylic acids or their derivatives.”
- How many patents are filed under CPC C07C45/455 (with carboxylic acids or their derivatives)?
- Our database includes 91 publications tagged with this CPC code.
- Is patent activity under CPC C07C45/455 growing?
- Publication counts under this code: 9 in 2024 vs 2 in 2025 (latest complete years).