Method for purifying an amino acid-n-carboxy anhydride
US-2019359579-A1 · Nov 28, 2019 · US
Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01D9/005 |
| Official title | {Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof} |
| Display label | Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof |
| Total patents | 154 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 2 |
| 2017 | 8 |
| 2018 | 18 |
| 2019 | 29 |
| 2020 | 25 |
| 2021 | 18 |
| 2022 | 9 |
| 2023 | 16 |
| 2024 | 12 |
| 2025 | 8 |
| 2026 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2019359579-A1 · Nov 28, 2019 · US
US-2019345102-A1 · Nov 14, 2019 · US
US-2019330215-A1 · Oct 31, 2019 · US
US-10457668-B2 · Oct 29, 2019 · US
US-2019315682-A1 · Oct 17, 2019 · US
US-10442747-B2 · Oct 15, 2019 · US
US-10442757-B2 · Oct 15, 2019 · US
US-2019274958-A1 · Sep 12, 2019 · US
US-10406452-B2 · Sep 10, 2019 · US
US-10407391-B2 · Sep 10, 2019 · US
US-10384148-B2 · Aug 20, 2019 · US
US-10386122-B2 · Aug 20, 2019 · US
US-2019217260-A1 · Jul 18, 2019 · US
US-2019201808-A1 · Jul 4, 2019 · US
US-2019194101-A1 · Jun 27, 2019 · US
US-2019177295-A1 · Jun 13, 2019 · US
US-2019177266-A1 · Jun 13, 2019 · US
US-2019169174-A1 · Jun 6, 2019 · US
US-2019152945-A1 · May 23, 2019 · US
US-10285945-B2 · May 14, 2019 · US
Answers are generated from the same data shown on this page.