Methods and products for transfecting cells
US-2019390174-A1 · Dec 26, 2019 · US
Nucleotides, nucleosides or bases
Nucleotides, nucleosides or bases · 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 | C12N2500/40 |
| Official title | Nucleotides, nucleosides or bases |
| Display label | Nucleotides, nucleosides or bases |
| Total patents | 176 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 14 |
| 2017 | 11 |
| 2018 | 13 |
| 2019 | 18 |
| 2020 | 12 |
| 2021 | 14 |
| 2022 | 31 |
| 2023 | 18 |
| 2024 | 15 |
| 2025 | 15 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Endocrine precursor cells, pancreatic hormone-expressing cells and methods of production
US-2019359943-A1 · Nov 28, 2019 · US
Medium containing uridine and n-acetyl-d-mannosamine
US-2019352599-A1 · Nov 21, 2019 · US
Methods and products for transfecting cells
US-10472611-B2 · Nov 12, 2019 · US
Method of transporting mesenchymal stem cells by means of a transporting solution and a method of administering stem cells to wounds
US-2019307805-A1 · Oct 10, 2019 · US
Sequential addition of molecular germinants to bacterial spores
US-2019300845-A1 · Oct 3, 2019 · US
Methods and products for transfecting cells
US-2019270968-A1 · Sep 5, 2019 · US
Immortalization of Epithelial Cells and Methods of Use
US-2019233798-A1 · Aug 1, 2019 · US
Medium for culturing stem cells, method for culturing stem cells, growth promoter for stem cells, and cell composition and method for producing same
US-2019194621-A1 · Jun 27, 2019 · US
Combinational use of mechanical manipulation and programin to generate pluripotent stem cells from somatic cells
US-2019161738-A1 · May 30, 2019 · US
Method for differentiation of neural stem cells, neurons and GABAergic neurons from mesenchymal stem cells
US-10280399-B2 · May 7, 2019 · US
Medium containing uridine and N-acetyl-D-mannosamine
US-10273448-B2 · Apr 30, 2019 · US
Control of protein glycosylation by culture medium supplementation and cell culture process parameters
US-2019085369-A1 · Mar 21, 2019 · US
Compositions and methods for culturing cells from normal human tubo-ovarian epithelium and human tubo-ovarian tumors
US-2019071634-A1 · Mar 7, 2019 · US
Combinational use of mechanical manipulation and programin derivatives to increase Oct4, Sox2, or Nanog expression in fibroblasts
US-10167451-B2 · Jan 1, 2019 · US
Chemically defined media for the detection of microorganisms
US-2018355306-A1 · Dec 13, 2018 · US
Medium for high performance mammalian fed-batch cultures
US-10138467-B2 · Nov 27, 2018 · US
Modified polynucleotides for altering cell phenotype
US-2018291335-A1 · Oct 11, 2018 · US
Hormone responsive tissue culture system and uses thereof
US-2018282691-A1 · Oct 4, 2018 · US
Methods and compositions for expansion and differentiation of skeletal muscle stem cells or progenitor cells
US-2018245048-A1 · Aug 30, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C12N2500/40?
- CPC C12N2500/40 is the Cooperative Patent Classification code for “Nucleotides, nucleosides or bases.”
- How many patents are filed under CPC C12N2500/40 (Nucleotides, nucleosides or bases)?
- Our database includes 176 publications tagged with this CPC code.
- Is patent activity under CPC C12N2500/40 growing?
- Publication counts under this code: 15 in 2024 vs 15 in 2025 (latest complete years).