Processes for the preparation of multicomponent crystalline forms of active pharmaceutical ingredients using solvent vapour
US-12583860-B2 · Mar 24, 2026 · US
Oxalic acid
Oxalic acid · 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 | C07C55/06 |
| Official title | Oxalic acid |
| Display label | Oxalic acid |
| Total patents | 52 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 9 |
| 2023 | 6 |
| 2024 | 6 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for preparing modulators of eukaryotic initiation factor 2b
US-2025376432-A1 · Dec 11, 2025 · US
Solid forms of macrocyclic compounds, salts and formulations thereof, and methods of preparing and using the same
US-12466835-B1 · Nov 11, 2025 · US
Apparatus, system and method for producing hydrogen peroxide, hydrocarbon(s) and syngas
US-2025283227-A1 · Sep 11, 2025 · US
Novel salt forms of isochroman-imidazole structured alpha-2a adrenoceptor agonist
US-2025136583-A1 · May 1, 2025 · US
Salt crystals
US-2025129087-A1 · Apr 24, 2025 · US
Lithium metal oxide and a precursor for the synthesis thereof
US-2025051183-A1 · Feb 13, 2025 · US
Crystalline forms of a cdk9 inhibitor and uses thereof
US-2025011298-A1 · Jan 9, 2025 · US
Solid forms
US-2025011352-A1 · Jan 9, 2025 · US
Isolation method
US-2024408533-A1 · Dec 12, 2024 · US
Salts and crystal forms of omecamtiv mecarbil
US-2024199550-A1 · Jun 20, 2024 · US
Polymorphic compounds and uses thereof
US-12006298-B2 · Jun 11, 2024 · US
SALTS OF A PI3Kdelta INHIBITOR, CRYSTALLINE FORMS, METHODS OF PREPARATION, AND USES THEREFORE
US-2024101564-A1 · Mar 28, 2024 · US
Salts and crystal forms of omecamtiv mecarbil
US-11926592-B2 · Mar 12, 2024 · US
Processes for the Preparation of Multicomponent Crystalline Forms of Active Pharmaceutical Ingredients Using Solvent Vapour
US-2024010651-A1 · Jan 11, 2024 · US
Erg oncogene inhibitors
US-2023382862-A1 · Nov 30, 2023 · US
Ubiquitin-specific peptidase 24 inhibitor, medicinal composition including the same and method of delaying or reversing multidrug resistance in cancers using the same
US-11827611-B2 · Nov 28, 2023 · US
Salts of Remdesivir
US-2023279036-A1 · Sep 7, 2023 · US
Salts and crystal forms of omecamtiv mecarbil
US-2023108971-A1 · Apr 6, 2023 · US
Processes for the preparation of zuclomiphene intermediates
US-11578025-B2 · Feb 14, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C55/06?
- CPC C07C55/06 is the Cooperative Patent Classification code for “Oxalic acid.”
- How many patents are filed under CPC C07C55/06 (Oxalic acid)?
- Our database includes 52 publications tagged with this CPC code.
- Is patent activity under CPC C07C55/06 growing?
- Publication counts under this code: 6 in 2024 vs 8 in 2025 (latest complete years).