Process of manufacture of annexin v
US-2024116982-A1 · Apr 11, 2024 · US
by filtration, ultrafiltration or reverse osmosis
by filtration, ultrafiltration or reverse osmosis · 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 | C07K1/34 |
| Official title | by filtration, ultrafiltration or reverse osmosis |
| Display label | by filtration, ultrafiltration or reverse osmosis |
| Total patents | 605 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 41 |
| 2016 | 34 |
| 2017 | 57 |
| 2018 | 41 |
| 2019 | 64 |
| 2020 | 66 |
| 2021 | 65 |
| 2022 | 70 |
| 2023 | 50 |
| 2024 | 53 |
| 2025 | 48 |
| 2026 | 16 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High-yield purification method for target protein
US-2024059730-A1 · Feb 22, 2024 · US
Antibody purification process
US-2016362446-A1 · Dec 15, 2016 · US
Selective reduction of proteins
US-2016347824-A1 · Dec 1, 2016 · US
Antibody process
US-2016347833-A1 · Dec 1, 2016 · US
Nucleophilic catalysts for oxime linkage
US-9492555-B2 · Nov 15, 2016 · US
Methods and compositions comprising non-natural amino acids
US-9488660-B2 · Nov 8, 2016 · US
Activated carbon filtration for purification of benzodiazepine ADCs
US-9453046-B2 · Sep 27, 2016 · US
Protein Separations Using An Acrylamide Containing Filter
US-2016272676-A1 · Sep 22, 2016 · US
Ligand-functionalized substrates with enhanced binding capacity
US-2016231208-A1 · Aug 11, 2016 · US
Protein formulations and methods of making same
US-2016222101-A1 · Aug 4, 2016 · US
Methods of purifying recombinant proteins
US-2016176921-A1 · Jun 23, 2016 · US
Removal of microorganisms from cell culture media
US-2016177252-A1 · Jun 23, 2016 · US
Ligand graft functionalized substrates
US-9302208-B2 · Apr 5, 2016 · US
Method for harvesting culture product
US-2016068565-A1 · Mar 10, 2016 · US
Filtration method
US-9272245-B2 · Mar 1, 2016 · US
Robust polymeric membrane
US-2016053064-A1 · Feb 25, 2016 · US
Protein folding and methods of using same
US-2016039907-A1 · Feb 11, 2016 · US
Methods and compositions for delivering interleukin-1 receptor antagonist
US-2016017010-A1 · Jan 21, 2016 · US
Purification of nanoparticle-antibody conjugates
US-2015377869-A1 · Dec 31, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07K1/34?
- CPC C07K1/34 is the Cooperative Patent Classification code for “by filtration, ultrafiltration or reverse osmosis.”
- How many patents are filed under CPC C07K1/34 (by filtration, ultrafiltration or reverse osmosis)?
- Our database includes 605 publications tagged with this CPC code.
- Is patent activity under CPC C07K1/34 growing?
- Publication counts under this code: 53 in 2024 vs 48 in 2025 (latest complete years).