Method for efficiently producing L-homophenylalanine and strain producing L- homophenylalanine
US-12545938-B1 · Feb 10, 2026 · US
Phenylalanine
Phenylalanine · 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 | C12P13/222 |
| Official title | {Phenylalanine} |
| Display label | Phenylalanine |
| Total patents | 49 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 13 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 1 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Promoter and use thereof
US-12473558-B2 · Nov 18, 2025 · US
L-amino acid-producing microorganism having weakened carbamoyl phosphate synthase activity, and l-amino acid production method using same
US-2025207161-A1 · Jun 26, 2025 · US
Novel atp synthase variant and method of producing l-aromatic amino acid using the same
US-2025171747-A1 · May 29, 2025 · US
Novel variant of stress protein and method for preparing l-aromatic amino acid using the same
US-2025154540-A1 · May 15, 2025 · US
Novel promoter and use thereof
US-2024200082-A1 · Jun 20, 2024 · US
Genetic manipulation method in bacteria
US-2023340440-A1 · Oct 26, 2023 · US
Method for producing an L-amino acid using a bacterium of the family Enterobacteriaceae having an attenuated expression of a gshA gene
US-11746345-B2 · Sep 5, 2023 · US
Strain with improved aromatic amino acid production capacity by glsb gene inactivation
US-2023050643-A1 · Feb 16, 2023 · US
Synechococcus elongatus mutants, variants and uses thereof to produce an essential amino acid
US-2023013336-A1 · Jan 19, 2023 · US
Genetic perturbation of the RNA degradosome protein complex
US-11549096-B2 · Jan 10, 2023 · US
Strain with improved aromatic amino acid production capacity by yeeo gene inactivation
US-2022411834-A1 · Dec 29, 2022 · US
Strain with improved aromatic amino acid production capacity by ansb gene inactivation
US-2022372532-A1 · Nov 24, 2022 · US
Method of producing carboxylic acid
US-2022090148-A1 · Mar 24, 2022 · US
E. coli variant strain or corynebacterium glutamicum variant strain producing l-amino acids, and method for producing l-amino acids using same
US-2022064681-A1 · Mar 3, 2022 · US
Alcohol dehydrogenase mutant and application thereof in cofactor regeneration
US-11162124-B2 · Nov 2, 2021 · US
Process for producing L-methionine from methional
US-10920255-B2 · Feb 16, 2021 · US
Alcohol Dehydrogenase Mutant and Application thereof in Cofactor Regeneration
US-2020362375-A1 · Nov 19, 2020 · US
Process for producing l-methionine from methional
US-2019338324-A1 · Nov 7, 2019 · US
Genetic perturbation of the rna degradosome protein complex
US-2019194769-A1 · Jun 27, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C12P13/222?
- CPC C12P13/222 is the Cooperative Patent Classification code for “Phenylalanine.”
- How many patents are filed under CPC C12P13/222 (Phenylalanine)?
- Our database includes 49 publications tagged with this CPC code.
- Is patent activity under CPC C12P13/222 growing?
- Publication counts under this code: 1 in 2024 vs 4 in 2025 (latest complete years).