Approach to sustained production and delivery of nitric oxide and s-nitrosothiols
US-2023064665-A1 · Mar 2, 2023 · US
Retaining or modifying natural colour by use of additives, e.g. optical brighteners (A23L5/42 takes precedence)
Retaining or modifying natural colour by use of additives, e.g. optical brighteners (A23L5/42 takes precedence) · 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 | A23L5/41 |
| Official title | Retaining or modifying natural colour by use of additives, e.g. optical brighteners (A23L5/42 takes precedence) |
| Display label | Retaining or modifying natural colour by use of additives, e.g. optical brighteners (A23L5/42 takes precedence) |
| Total patents | 83 |
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 | 4 |
| 2017 | 9 |
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 6 |
| 2021 | 11 |
| 2022 | 12 |
| 2023 | 4 |
| 2024 | 8 |
| 2025 | 9 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Series of Compounds for Treatment of Skin Diseases and Other Conditions
US-2022411356-A1 · Dec 29, 2022 · US
System and Method for Preserving Red Meat by Plasma Active Water (PAW) Vacuum Packaging
US-2022369657-A1 · Nov 24, 2022 · US
Packed beverages suppressed in the fading of dyes
US-11484046-B2 · Nov 1, 2022 · US
Food ingredients from stevia rebaudiana
US-2022322708-A1 · Oct 13, 2022 · US
Series of compounds for treatment of skin diseases and other conditions
US-11414366-B2 · Aug 16, 2022 · US
Ingredient-containing liquid seasoning
US-11369128-B2 · Jun 28, 2022 · US
Non-fried chinese noodles and production method therefor
US-2022160002-A1 · May 26, 2022 · US
Method for suppressing coloration of frying oil and fat composition, method for manufacturing frying oil and fat composition, and coloration-suppressing agent
US-2022104510-A1 · Apr 7, 2022 · US
Methods and compositions for consumables
US-2022061365-A1 · Mar 3, 2022 · US
Powder containing immature pulse having retained color tone, food/drink and method for producing the same
US-2022053803-A1 · Feb 24, 2022 · US
Methods and compositions for affecting the flavor and aroma profile of consumables
US-11224241-B2 · Jan 18, 2022 · US
Methods and compositions for affecting the flavor and aroma profile of consumables
US-11219232-B2 · Jan 11, 2022 · US
Improved recovery of nitrate reductase activity
US-2021315239-A1 · Oct 14, 2021 · US
Photodeterioration inhibitor, beverage comprising the same, and method for inhibiting photodeterioration
US-2021267240-A1 · Sep 2, 2021 · US
Food discoloration inhibitor
US-11096395-B2 · Aug 24, 2021 · US
Methods and compositions for consumables
US-11013250-B2 · May 25, 2021 · US
Methods and compositions for consumables
US-10993462-B2 · May 4, 2021 · US
Improved recovery of nitrate reductase activity
US-2021112837-A1 · Apr 22, 2021 · US
Aqueous colorant material solution, production method for aqueous colorant material, and blue-colored beverage
US-2021087402-A1 · Mar 25, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A23L5/41?
- CPC A23L5/41 is the Cooperative Patent Classification code for “Retaining or modifying natural colour by use of additives, e.g. optical brighteners (A23L5/42 takes precedence).”
- How many patents are filed under CPC A23L5/41 (Retaining or modifying natural colour by use of additives, e.g. optical brighteners (A23L5/42 takes precedence))?
- Our database includes 83 publications tagged with this CPC code.
- Is patent activity under CPC A23L5/41 growing?
- Publication counts under this code: 8 in 2024 vs 9 in 2025 (latest complete years).