Method for manufacture of ethyleneamines
US-2025376434-A1 · Dec 11, 2025 · US
by substitution of hydroxy groups or of etherified or esterified hydroxy groups
by substitution of hydroxy groups or of etherified or esterified hydroxy 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 | C07C209/14 |
| Official title | by substitution of hydroxy groups or of etherified or esterified hydroxy groups |
| Display label | by substitution of hydroxy groups or of etherified or esterified hydroxy groups |
| Total patents | 35 |
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 | 4 |
| 2016 | 6 |
| 2017 | 3 |
| 2018 | 8 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for preparing 2-methyl-N-(2′-methylbutyl)butanamide
US-11970432-B2 · Apr 30, 2024 · US
Methods to produce zeolites with the GME topology and compositions derived therefrom
US-11691131-B2 · Jul 4, 2023 · US
Process for preparing 2-methyl-n-(2' -methylbutyl)butanamide
US-2023202968-A1 · Jun 29, 2023 · US
Process for preparing 2-methyl-N-(2′-methylbutyl)butanamide
US-11629119-B2 · Apr 18, 2023 · US
Zincoaluminosilicates with GME topologies and methods of making and using the same
US-11583838-B2 · Feb 21, 2023 · US
Process for preparing 2-methyl-n-(2' -methylbutyl)butanamide
US-2022411363-A1 · Dec 29, 2022 · US
Process for manufacturing chain-extended hydroxyethylethyleneamines, ethyleneamines, or mixtures thereof
US-11292768-B2 · Apr 5, 2022 · US
Zincoaluminosilicates with gme topologies and methods of making and using the same
US-2021346874-A1 · Nov 11, 2021 · US
Zeolites with the GME topology and methods of using the same
US-11167275-B2 · Nov 9, 2021 · US
Zincoaluminosilicates with CHA topologies and methods of making and using the same
US-11167276-B2 · Nov 9, 2021 · US
Methods to produce zeolites with the gme topology and compositions derived therefrom
US-2021069682-A1 · Mar 11, 2021 · US
Process for manufacturing chain-extended hydroxyethylethyleneamines, ethyleneamines, or mixtures thereof
US-2020131136-A1 · Apr 30, 2020 · US
Methods for producing crystalline microporous solids with the RTH topology and compositions derived from the same
US-10427947-B2 · Oct 1, 2019 · US
Processes for preparing zincoaluminosilicates with aei, cha, and gme topologies and compositions derived therefrom
US-2018154342-A1 · Jun 7, 2018 · US
Methods to produce zeolites with the gme topology and compositions derived therefrom
US-2018126364-A1 · May 10, 2018 · US
Novel methods for producing crystalline microporous solids with the rth topology and compositions derived from the same
US-2018079651-A1 · Mar 22, 2018 · US
Methods for producing crystalline microporous solids with the RTH topology and compositions derived from the same
US-9908783-B2 · Mar 6, 2018 · US
Processes for preparing zincoaluminosilicates with AEI, CHA, and GME topologies and compositions derived therefrom
US-9901909-B2 · Feb 27, 2018 · US
Methods to produce zeolites with the GME topology and compositions derived therefrom
US-9878312-B2 · Jan 30, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C209/14?
- CPC C07C209/14 is the Cooperative Patent Classification code for “by substitution of hydroxy groups or of etherified or esterified hydroxy groups.”
- How many patents are filed under CPC C07C209/14 (by substitution of hydroxy groups or of etherified or esterified hydroxy groups)?
- Our database includes 35 publications tagged with this CPC code.
- Is patent activity under CPC C07C209/14 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).