Cell culture medium
US-RE48864-E · Dec 28, 2021 · US
Protein-free medium
Protein-free medium · 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 | C12N5/005 |
| Official title | {Protein-free medium} |
| Display label | Protein-free medium |
| Total patents | 87 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 13 |
| 2017 | 10 |
| 2018 | 8 |
| 2019 | 2 |
| 2020 | 11 |
| 2021 | 4 |
| 2022 | 13 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Copper loss mitigation
US-2021371809-A1 · Dec 2, 2021 · US
Serum-free cell culture medium
US-2021332402-A1 · Oct 28, 2021 · US
Cell cultures comprising poly(oxazoline) stabilizers and use of poly(oxazolines) for stabilizing cell cultures
US-2020339945-A1 · Oct 29, 2020 · US
Cell culture media and methods
US-2020332250-A1 · Oct 22, 2020 · US
Cell culture medium comprising small peptides
US-10793827-B2 · Oct 6, 2020 · US
Cell culture medium comprising small peptides
US-2020308537-A1 · Oct 1, 2020 · US
Culture medium composition and method of culturing cell or tissue using thereof
US-2020208101-A1 · Jul 2, 2020 · US
Oligopeptide-free cell culture media
US-10696731-B2 · Jun 30, 2020 · US
Serum-free cell culture medium
US-2020149081-A1 · May 14, 2020 · US
Culture medium composition and method of culturing cell or tissue using thereof
US-10590380-B2 · Mar 17, 2020 · US
Feed media
US-2020080049-A1 · Mar 12, 2020 · US
Culture media comprising n-acyl-x-glutamine dipeptides
US-2020024571-A1 · Jan 23, 2020 · US
Culture medium comprising dipeptides
US-2020010796-A1 · Jan 9, 2020 · US
Culture medium comprising oligopeptides
US-2019390161-A1 · Dec 26, 2019 · US
Media for Culturing Epithelial Cells
US-2019352606-A1 · Nov 21, 2019 · US
Cell culture media and methods
US-2018346872-A1 · Dec 6, 2018 · US
Medium for high performance mammalian fed-batch cultures
US-10138467-B2 · Nov 27, 2018 · US
Cell culture medium and process for protein expression, said medium and process comprising a PAM inhibitor
US-10106828-B2 · Oct 23, 2018 · US
Method for preparing induced pluripotent stem cells using synthetic peptide
US-10066212-B2 · Sep 4, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C12N5/005?
- CPC C12N5/005 is the Cooperative Patent Classification code for “Protein-free medium.”
- How many patents are filed under CPC C12N5/005 (Protein-free medium)?
- Our database includes 87 publications tagged with this CPC code.
- Is patent activity under CPC C12N5/005 growing?
- Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).