Boric acid-free composition for removing deposits containing cryolite
US-2020385872-A1 · Dec 10, 2020 · US
urea or derivatives thereof
urea or derivatives thereof · 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 | C11D3/323 |
| Official title | {urea or derivatives thereof} |
| Display label | urea or derivatives thereof |
| Total patents | 140 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 13 |
| 2017 | 12 |
| 2018 | 8 |
| 2019 | 14 |
| 2020 | 14 |
| 2021 | 10 |
| 2022 | 15 |
| 2023 | 13 |
| 2024 | 17 |
| 2025 | 10 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fast drying and fast draining rinse aid
US-2020347320-A1 · Nov 5, 2020 · US
Laundry Perfuming Composition
US-2020347325-A1 · Nov 5, 2020 · US
Sanitary cleaner
US-10519403-B2 · Dec 31, 2019 · US
Formulations and Method for Low Temperature Cleaning of Dairy Equipment
US-2019382696-A1 · Dec 19, 2019 · US
Turbine deposit cleaner
US-2019323379-A1 · Oct 24, 2019 · US
Pyrithione preservative system in solid rinse aid products
US-2019264137-A1 · Aug 29, 2019 · US
Solidifying liquid anionic surfactants
US-2019233772-A1 · Aug 1, 2019 · US
Solidifying liquid amine oxide, betaine, and/or sultaine surfactants with a binder and optional carrier
US-2019233774-A1 · Aug 1, 2019 · US
Method of imparting water repellency with non-fluorinated laundry treatment compositions
US-10308898-B2 · Jun 4, 2019 · US
Solidification process using low levels of coupler/hydrotrope
US-2019144786-A1 · May 16, 2019 · US
Sanitary cleaner
US-2019106656-A1 · Apr 11, 2019 · US
Liquid fabric conditioner composition and method of use
US-10233407-B2 · Mar 19, 2019 · US
Solidification process using low levels of coupler/hydrotrope
US-10221376-B2 · Mar 5, 2019 · US
Solid fabric conditioner composition and method of use
US-2019055494-A1 · Feb 21, 2019 · US
Sanitary cleaner
US-10190077-B2 · Jan 29, 2019 · US
Urea gellant
US-10184096-B2 · Jan 22, 2019 · US
Pyrithione preservative system in solid rinse aid products
US-2018355286-A1 · Dec 13, 2018 · US
Proliferous copolymers comprising lactamic moieties
US-2018340034-A1 · Nov 29, 2018 · US
Solid fabric conditioner composition and method of use
US-10113139-B2 · Oct 30, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C11D3/323?
- CPC C11D3/323 is the Cooperative Patent Classification code for “urea or derivatives thereof.”
- How many patents are filed under CPC C11D3/323 (urea or derivatives thereof)?
- Our database includes 140 publications tagged with this CPC code.
- Is patent activity under CPC C11D3/323 growing?
- Publication counts under this code: 17 in 2024 vs 10 in 2025 (latest complete years).