Processes for the preparation of multicomponent crystalline forms of active pharmaceutical ingredients using solvent vapour
US-12583860-B2 · Mar 24, 2026 · US
Salts; Complexes; Addition compounds
Salts; Complexes; Addition compounds · 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 | C07C275/02 |
| Official title | Salts; Complexes; Addition compounds |
| Display label | Salts; Complexes; Addition compounds |
| Total patents | 40 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 5 |
| 2020 | 6 |
| 2021 | 9 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Solid forms of fasoracetam
US-2026015336-A1 · Jan 15, 2026 · US
Integrated production of urea for diesel exhaust fluid and urea ammonium nitrate
US-2025236587-A1 · Jul 24, 2025 · US
Integrated production of urea for diesel exhaust fluid and urea ammonium nitrate
US-2025115547-A1 · Apr 10, 2025 · US
Integrated production of urea for Diesel Exhaust Fluid and urea ammonium nitrate
US-12209061-B2 · Jan 28, 2025 · US
Method and reactor for producing urea ammonium sulphate
US-11993557-B2 · May 28, 2024 · US
Processes for the Preparation of Multicomponent Crystalline Forms of Active Pharmaceutical Ingredients Using Solvent Vapour
US-2024010651-A1 · Jan 11, 2024 · US
Solid forms of fasoracetam
US-2023203001-A1 · Jun 29, 2023 · US
Solid forms of fasoracetam
US-11608324-B2 · Mar 21, 2023 · US
Process and apparatus for urea production
US-11498895-B2 · Nov 15, 2022 · US
Solid Forms of Fasoracetam
US-2021355102-A1 · Nov 18, 2021 · US
Polymorphs and co-crystals of roxadustat
US-11168057-B2 · Nov 9, 2021 · US
Integrated production of urea for diesel exhaust fluid and urea ammonium nitrate
US-2021331086-A1 · Oct 28, 2021 · US
Integrated production of urea for diesel exhaust fluid and urea ammonium nitrate
US-11083976-B2 · Aug 10, 2021 · US
Process and apparatus for urea production
US-2021230104-A1 · Jul 29, 2021 · US
Method and reactor for producing urea ammonium sulphate
US-2021155582-A1 · May 27, 2021 · US
Ionic liquid, nonaqueous electrolyte, and power storage device
US-10991984-B2 · Apr 27, 2021 · US
Urea manufacturing method
US-2021107866-A1 · Apr 15, 2021 · US
Duplex stainless steels and uses thereof
US-2021071287-A1 · Mar 11, 2021 · US
Controlling biuret in urea production
US-10766856-B2 · Sep 8, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C275/02?
- CPC C07C275/02 is the Cooperative Patent Classification code for “Salts; Complexes; Addition compounds.”
- How many patents are filed under CPC C07C275/02 (Salts; Complexes; Addition compounds)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC C07C275/02 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).