Citric acid derivative
US-10494362-B2 · Dec 3, 2019 · US
having the nitrogen atom of at least one of the carboxamide groups bound to an acyclic carbon atom of a hydrocarbon radical substituted by carboxyl groups
having the nitrogen atom of at least one of the carboxamide groups bound to an acyclic carbon atom of a hydrocarbon radical substituted by carboxyl groups · 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 | C07C235/12 |
| Official title | having the nitrogen atom of at least one of the carboxamide groups bound to an acyclic carbon atom of a hydrocarbon radical substituted by carboxyl groups |
| Display label | having the nitrogen atom of at least one of the carboxamide groups bound to an acyclic carbon atom of a hydrocarbon radical substituted by carboxyl groups |
| Total patents | 92 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 6 |
| 2017 | 21 |
| 2018 | 11 |
| 2019 | 6 |
| 2020 | 8 |
| 2021 | 8 |
| 2022 | 7 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Lipids and lipid nanoparticle formulations for delivery of nucleic acids
US-2019359556-A1 · Nov 28, 2019 · US
Ionizable cationic lipid for RNA delivery
US-10399937-B2 · Sep 3, 2019 · US
Branched fluorine-containing compound
US-2019256457-A1 · Aug 22, 2019 · US
Methods of manufacturing treprostinil and treprostinil derivative prodrugs
US-10343979-B2 · Jul 9, 2019 · US
Lipids and lipid nanoparticle formulations for delivery of nucleic acids
US-10221127-B2 · Mar 5, 2019 · US
Novel citric acid derivative
US-2018334452-A1 · Nov 22, 2018 · US
Method for preparing 3-carbamoymethyl-5-methylhexanoic acid in recycling way
US-10131625-B2 · Nov 20, 2018 · US
Compound, salt of compound, external agent for skin, cosmetic, and food additive
US-10112890-B2 · Oct 30, 2018 · US
Substituted biaryl alkyl amides
US-10106491-B2 · Oct 23, 2018 · US
Neprilysin inhibitors
US-10053417-B2 · Aug 21, 2018 · US
Method of synthesis of an ionizable cationic lipid
US-2018208555-A1 · Jul 26, 2018 · US
Neprilysin inhibitors
US-2018194718-A1 · Jul 12, 2018 · US
Ionizable cationic lipid for rna delivery
US-2018170865-A1 · Jun 21, 2018 · US
Ionizable cationic lipid for RNA delivery
US-9951002-B2 · Apr 24, 2018 · US
Ionizable cationic lipid for rna delivery
US-2018072664-A1 · Mar 15, 2018 · US
Ionizable cationic lipid for RNA delivery
US-9896413-B2 · Feb 20, 2018 · US
Compound, salt of compound, external agent for skin, cosmetic, and food additive
US-2017369425-A1 · Dec 28, 2017 · US
Ionizable cationic lipid for RNA delivery
US-9850202-B2 · Dec 26, 2017 · US
Neprilysin inhibitors
US-9840460-B2 · Dec 12, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C235/12?
- CPC C07C235/12 is the Cooperative Patent Classification code for “having the nitrogen atom of at least one of the carboxamide groups bound to an acyclic carbon atom of a hydrocarbon radical substituted by carboxyl groups.”
- How many patents are filed under CPC C07C235/12 (having the nitrogen atom of at least one of the carboxamide groups bound to an acyclic carbon atom of a hydrocarbon radical substituted by carboxyl groups)?
- Our database includes 92 publications tagged with this CPC code.
- Is patent activity under CPC C07C235/12 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).