Method for Producing Basic L-Amino Acids or Salts Thereof By Fermentation of an Enterobacteriaceae Bacterium
US-2021317487-A1 · Oct 14, 2021 · US
Proline; Hydroxyproline; Histidine
Proline; Hydroxyproline; Histidine · 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 | C12P13/24 |
| Official title | Proline; Hydroxyproline; Histidine |
| Display label | Proline; Hydroxyproline; Histidine |
| Total patents | 97 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 15 |
| 2017 | 8 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 8 |
| 2022 | 6 |
| 2023 | 7 |
| 2024 | 9 |
| 2025 | 10 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for Producing Target Substance by Bacterial Fermentation
US-2021269842-A1 · Sep 2, 2021 · US
Process for preparing L amino acids using improved strains of the enterobacteriaceae family
US-11053526-B2 · Jul 6, 2021 · US
Engineered proline hydroxylase polypeptides and methods
US-10995349-B2 · May 4, 2021 · US
Natural flavor base and process for its preparation
US-10980248-B2 · Apr 20, 2021 · US
Biocatalysts and methods for hydroxylation of chemical compounds
US-2020325510-A1 · Oct 15, 2020 · US
Method for producing l-amino acid by increasing fructose uptake
US-10745725-B2 · Aug 18, 2020 · US
Engineered proline hydroxylase polynucleotides and methods
US-10731189-B2 · Aug 4, 2020 · US
Method for the fermentative production of L-amino acids
US-10683511-B2 · Jun 16, 2020 · US
Process for preparing l amino acids using improved strains of the enterobacteriaceae family
US-2020080118-A1 · Mar 12, 2020 · US
Biocatalysts and methods for hydroxylation of chemical compounds
US-2019323046-A1 · Oct 24, 2019 · US
Method for producing L-amino acids using a bacterium of the family enterobacteriaceae overexpressing a gene encoding an iron exporter
US-10392638-B2 · Aug 27, 2019 · US
Methods for hydroxylyation of chemical compounds
US-10370688-B2 · Aug 6, 2019 · US
Method for the fermentative production of l-amino acids
US-2019085340-A1 · Mar 21, 2019 · US
Method for Producing L-Amino Acids Using a Bacterium of the Family Enterobacteriaceae Overexpressing a Gene Encoding an Iron Exporter
US-2018355388-A1 · Dec 13, 2018 · US
Natural flavor base and process for its preparation
US-2018303124-A1 · Oct 25, 2018 · US
Method for producing l-amino acid
US-2018282773-A1 · Oct 4, 2018 · US
Method for producing L-amino acid of glutamate family
US-9932614-B2 · Apr 3, 2018 · US
Method for producing an L-amino acid using a bacterium of the family Enterobacteriaceae having attenuated expression of a phosphate transporter-encoding gene
US-9873898-B2 · Jan 23, 2018 · US
Method for producing an L-amino acid using a bacterium of the family Enterobacteriaceae having a disrupted putrescine degradation pathway
US-9840725-B2 · Dec 12, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C12P13/24?
- CPC C12P13/24 is the Cooperative Patent Classification code for “Proline; Hydroxyproline; Histidine.”
- How many patents are filed under CPC C12P13/24 (Proline; Hydroxyproline; Histidine)?
- Our database includes 97 publications tagged with this CPC code.
- Is patent activity under CPC C12P13/24 growing?
- Publication counts under this code: 9 in 2024 vs 10 in 2025 (latest complete years).