Supramolecular high affinity protein-binding system for purification of biomacromolecules
US-2026049121-A1 · Feb 19, 2026 · US
by salting out
by salting out · 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 | C07K1/303 |
| Official title | {by salting out} |
| Display label | by salting out |
| Total patents | 31 |
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 | 1 |
| 2017 | 6 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for purifying factor xiii
US-2025368970-A1 · Dec 4, 2025 · US
Method for producing salt of amino acid or salt of peptide compound or solvate of either one of said salts comprising lithium salt precipitation step
US-2025368680-A1 · Dec 4, 2025 · US
Supramolecular high affinity protein-binding system for purification of biomacromolecules
US-12466875-B2 · Nov 11, 2025 · US
Method of clarifying a crude protein solution
US-2024294568-A1 · Sep 5, 2024 · US
Method for expressing and purifying protein by using csq-tag
US-2024209046-A1 · Jun 27, 2024 · US
Method of purifying phycocyanin
US-11795194-B2 · Oct 24, 2023 · US
Preparation of recombinant tetrameric N-acetylated alpha-synuclein
US-11673913-B2 · Jun 13, 2023 · US
Supramolecular high affinity protein-binding system for purification of biomacromolecules
US-2023050031-A1 · Feb 16, 2023 · US
Method for continuous protein recovering
US-2023017907-A1 · Jan 19, 2023 · US
Supramolecular high affinity protein-binding system for purification of biomacromolecules
US-11359005-B2 · Jun 14, 2022 · US
Method of preparing ultra-low molecular weight keratin peptide
US-10945940-B2 · Mar 16, 2021 · US
Method of purifying phycocyanin
US-2020255473-A1 · Aug 13, 2020 · US
A supramolecular high affinity protein-binding system for purification of biomacromolecules
US-2020062827-A1 · Feb 27, 2020 · US
Preparation of recombinant tetrameric n-acetylated alpha-synuclein
US-2019345195-A1 · Nov 14, 2019 · US
Method of purifying an antibody
US-10414794-B2 · Sep 17, 2019 · US
Method for Purifying Recombinant Protein
US-2019225646-A1 · Jul 25, 2019 · US
Precipitable peptides
US-10358461-B2 · Jul 23, 2019 · US
Method of preparing ultra-low molecular weight keratin peptide
US-2018344608-A1 · Dec 6, 2018 · US
Protein purification in the presence of nonionic organic polymers and electropositive surfaces
US-10112971-B2 · Oct 30, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07K1/303?
- CPC C07K1/303 is the Cooperative Patent Classification code for “by salting out.”
- How many patents are filed under CPC C07K1/303 (by salting out)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC C07K1/303 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).