Nitrilotriacetic acid-containing lipidoid nanoparticles
US-12503434-B2 · Dec 23, 2025 · US
of an acyclic unsaturated carbon skeleton
of an acyclic unsaturated carbon skeleton · 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 | C07C321/18 |
| Official title | of an acyclic unsaturated carbon skeleton |
| Display label | of an acyclic unsaturated carbon skeleton |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 4 |
| 2018 | 3 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Salty taste-enhancing agent and manufacturing method therefor, and salty taste-enhancing method
US-12122736-B2 · Oct 22, 2024 · US
Allyl compound and composition for optical material
US-11945791-B2 · Apr 2, 2024 · US
Extreme pressure additives with improved copper corrosion
US-11873461-B1 · Jan 16, 2024 · US
Photo-decomposable compound, photoresist composition including the same, and method of manufacturing integrated circuit device
US-2023120542-A1 · Apr 20, 2023 · US
Nitrilotriacetic acid-containing lipidoid nanoparticles
US-2022315529-A1 · Oct 6, 2022 · US
Functional disulfide vegetable oils, method of making and use in rubber compositions and tires
US-11440878-B2 · Sep 13, 2022 · US
Fusing agent(s)
US-11383433-B2 · Jul 12, 2022 · US
Zwitterionic polymer, method for producing same and protein stabilizer containing zwitterionic polymer
US-11168159-B2 · Nov 9, 2021 · US
Novel allyl compound and composition for optical material
US-2021292297-A1 · Sep 23, 2021 · US
Photo-decomposable compound, photoresist composition including the same, and method of manufacturing integrated circuit device
US-2021240078-A1 · Aug 5, 2021 · US
Functional disulfide vegetable oils, method of making and use in rubber compositions and tires
US-2021130287-A1 · May 6, 2021 · US
Zwitterionic polymer, method for producing same and protein stabilizer containing zwitterionic polymer
US-2021017309-A1 · Jan 21, 2021 · US
Fusing agent including a metal bis(dithiolene) complex
US-10781228-B2 · Sep 22, 2020 · US
Compounds as L-cystine crystallization inhibitors and uses thereof
US-10759748-B2 · Sep 1, 2020 · US
Cold-tolerant sealants and components thereof
US-10544339-B2 · Jan 28, 2020 · US
Fusing agent(s)
US-2019382429-A1 · Dec 19, 2019 · US
Method for producing dialkyl polysulfide, dialkyl polysulfide, extreme-pressure additive and lubricating fluid composition
US-10487285-B2 · Nov 26, 2019 · US
Cold-tolerant sealants and components thereof
US-2019256752-A1 · Aug 22, 2019 · US
Alkoxylates of S-vinylthioalkanols
US-10323107-B2 · Jun 18, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C321/18?
- CPC C07C321/18 is the Cooperative Patent Classification code for “of an acyclic unsaturated carbon skeleton.”
- How many patents are filed under CPC C07C321/18 (of an acyclic unsaturated carbon skeleton)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC C07C321/18 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).