Processes for the Preparation of Alpha-Hydroxy Esters by Esterification of Alpha-Hydroxy Acids
US-2026001837-A1 · Jan 1, 2026 · US
containing substances which are metabolically converted to proteins, e.g. ammonium salts or urea
containing substances which are metabolically converted to proteins, e.g. ammonium salts or urea · Cooperative Patent Classification (CPC)
Agriculture, food, personal care, health, and life sciences.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | A23K50/15 |
| Official title | containing substances which are metabolically converted to proteins, e.g. ammonium salts or urea |
| Display label | containing substances which are metabolically converted to proteins, e.g. ammonium salts or urea |
| Total patents | 31 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 1 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
A mixture of urea, biuret and n-containing by-products created during biuret production as a dietary non-protein nitrogen-source for ruminants and uses thereof
US-2025161245-A1 · May 22, 2025 · US
A mixture of urea, biuret and nitrate as a dietary non-protein nitrogen-source for ruminants and uses thereof
US-2025144053-A1 · May 8, 2025 · US
Compositions and methods for improving nitrogen utilization in a ruminant
US-12226531-B2 · Feb 18, 2025 · US
Compositions and methods for improving nitrogen utilization in a ruminant
US-2025009672-A1 · Jan 9, 2025 · US
Compositions for improving nitrogen utilization in a ruminant
US-11957139-B2 · Apr 16, 2024 · US
Methods and Compositions for Reducing Deleterious Enteric Atmospheric Gases in Livestock
US-2024099332-A1 · Mar 28, 2024 · US
Urea-based blend composition and method for the manufacture thereof
US-11578009-B2 · Feb 14, 2023 · US
Processes for the Preparation of Alpha-Hydroxy Esters by Esterification of Alpha-Hydroxy Acids
US-2022332681-A1 · Oct 20, 2022 · US
Urea ammonium sulphate-based composition and method for the manufacture thereof
US-11365161-B2 · Jun 21, 2022 · US
Urea-based composition comprising elemental sulphur and method for the manufacture thereof
US-11332412-B2 · May 17, 2022 · US
Urea-based composition comprising elemental sulphur and method for the manufacture thereof
US-2021261475-A1 · Aug 26, 2021 · US
Urea ammonium sulphate-based composition and method for the manufacture thereof
US-2021230080-A1 · Jul 29, 2021 · US
Improved urea-based blend composition and method for the manufacture thereof
US-2021070669-A1 · Mar 11, 2021 · US
Process for producing encapsulated amino acids for ruminants
US-2020345038-A1 · Nov 5, 2020 · US
Compositions for improving nitrogen utilization in a ruminant
US-2020288751-A1 · Sep 17, 2020 · US
Urea-containing fertilizers and process for production thereof
US-10752559-B2 · Aug 25, 2020 · US
Compositions and methods for improving nitrogen utilization in a ruminant
US-2020222331-A1 · Jul 16, 2020 · US
Use of nitrogen-containing compounds as plasticizers for peptide-based biopolymers and uses thereof
US-10595546-B2 · Mar 24, 2020 · US
Improved urea-based composition comprising elemental sulphur and method for the manufacture thereof
US-2019225557-A1 · Jul 25, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A23K50/15?
- CPC A23K50/15 is the Cooperative Patent Classification code for “containing substances which are metabolically converted to proteins, e.g. ammonium salts or urea.”
- How many patents are filed under CPC A23K50/15 (containing substances which are metabolically converted to proteins, e.g. ammonium salts or urea)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC A23K50/15 growing?
- Publication counts under this code: 2 in 2024 vs 4 in 2025 (latest complete years).