Branched trialkyl quaternary ammonium compounds
US-2019218171-A1 · Jul 18, 2019 · US
containing amino groups bound to the carbon skeleton
containing amino groups bound to the 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 | C07C309/14 |
| Official title | containing amino groups bound to the carbon skeleton |
| Display label | containing amino groups bound to the carbon skeleton |
| Total patents | 166 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 11 |
| 2017 | 19 |
| 2018 | 11 |
| 2019 | 18 |
| 2020 | 24 |
| 2021 | 21 |
| 2022 | 13 |
| 2023 | 13 |
| 2024 | 8 |
| 2025 | 12 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Branched trialkylamine precursors, intermediates, products made therefrom and processes of manufacture
US-2019218170-A1 · Jul 18, 2019 · US
Bicyclic aryl sphingosine 1-phosphate analogs
US-2019209592-A1 · Jul 11, 2019 · US
Zwitterionic surfactants suitable for enhanced oil recovery
US-2019153298-A1 · May 23, 2019 · US
Amine adducts, derivatives thereof, methods for making such adducts and derivatives, and methods for using such adducts and derivatives
US-10259987-B2 · Apr 16, 2019 · US
Bicyclic aryl sphingosine 1-phosphate analogs
US-10166250-B2 · Jan 1, 2019 · US
Photoacid-generating compound and associated polymer, photoresist composition, and method of forming a photoresist relief image
US-10088749-B2 · Oct 2, 2018 · US
Cleavable surfactants
US-2018187127-A1 · Jul 5, 2018 · US
Amphoteric ester sulfonates
US-2018185801-A1 · Jul 5, 2018 · US
Energy providing devices and applications thereof
US-2018159106-A1 · Jun 7, 2018 · US
Imaging composition and uses thereof
US-9980930-B2 · May 29, 2018 · US
Bicyclic aryl sphingosine 1-phosphate analogs
US-2018133233-A1 · May 17, 2018 · US
Amphoteric ester sulfonates
US-9943816-B2 · Apr 17, 2018 · US
Photoacid-generating compound and associated polymer, photoresist composition, and method of forming a photoresist relief image
US-2018095363-A1 · Apr 5, 2018 · US
Reactive antibacterial compound and preparation method thereof
US-2018092356-A1 · Apr 5, 2018 · US
Synthetic peptides and enzymatic formation of intracellular hydrogels
US-2018037605-A1 · Feb 8, 2018 · US
Methods and systems employing a sulfonated iminodiacetic acid during subterranean treatment operations
US-2018037806-A1 · Feb 8, 2018 · US
Cationic sulfonamide amino lipids and amphiphilic zwitterionic amino lipids
US-2017349543-A1 · Dec 7, 2017 · US
Self-diverting acidizing system
US-2017342314-A1 · Nov 30, 2017 · US
Bicyclic aryl sphingosine 1-phosphate analogs
US-9827258-B2 · Nov 28, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C309/14?
- CPC C07C309/14 is the Cooperative Patent Classification code for “containing amino groups bound to the carbon skeleton.”
- How many patents are filed under CPC C07C309/14 (containing amino groups bound to the carbon skeleton)?
- Our database includes 166 publications tagged with this CPC code.
- Is patent activity under CPC C07C309/14 growing?
- Publication counts under this code: 8 in 2024 vs 12 in 2025 (latest complete years).