Process for treating polyester methanolysis depolymerization product streams
US-12435024-B2 · Oct 7, 2025 · US
Completely hydrogenated benzenedicarboxylic acids
Completely hydrogenated benzenedicarboxylic acids · 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 | C07C61/09 |
| Official title | Completely hydrogenated benzenedicarboxylic acids |
| Display label | Completely hydrogenated benzenedicarboxylic acids |
| Total patents | 26 |
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 | 2 |
| 2016 | 3 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Dicarbonyl halides, polymer compositions and films made therefrom
US-2024052104-A1 · Feb 15, 2024 · US
Isomerization method of cyclohexane dicarboxylic acid
US-11897841-B2 · Feb 13, 2024 · US
Method for preparation of 1,4-cyclohexanedimethanol
US-11629112-B2 · Apr 18, 2023 · US
Production method for cyclohexanedicarboxylic acid compound, dicyanocyclohexane compound and bis(aminomethyl)cyclohexane compound
US-11584705-B2 · Feb 21, 2023 · US
Process for treating polyester methanolysis depolymerization product streams
US-2023022664-A1 · Jan 26, 2023 · US
Isomerization method of cyclohexane dicarboxylic acid
US-2022371981-A1 · Nov 24, 2022 · US
Production method for 1,4-cyclohexanedicarboxylic acid derivative, 1,4-dicyanocyclohexane and 1,4-bis(aminomethyl)cyclohexane
US-11472765-B2 · Oct 18, 2022 · US
Polymers from muconic acid isomers and its derivatives
US-11059919-B2 · Jul 13, 2021 · US
Method for producing cis,cis-1,2,4-cyclohexane tricarboxylic acid crystal
US-11021428-B2 · Jun 1, 2021 · US
Isomerization method of cyclohexane dicarboxylic acid
US-2021155572-A1 · May 27, 2021 · US
Production method for 1,4-cyclohexanedicarboxylic acid derivative, 1,4-dicyanocyclohexane and 1,4-bis(aminomethyl)cyclohexane
US-2021032191-A1 · Feb 4, 2021 · US
Method for producing 1,4-dicyanocyclohexane, 1,4-bis(aminomethyl)cyclohexane and 1,4-cyclohexanedicarboxylic acid
US-10906865-B2 · Feb 2, 2021 · US
Process for making high purity salts
US-10865177-B2 · Dec 15, 2020 · US
Method for producing cis,cis-1,2,4-cyclohexane tricarboxylic acid crystal
US-2020317596-A1 · Oct 8, 2020 · US
Process for making high purity salts
US-2020308091-A1 · Oct 1, 2020 · US
Method for preparing 1,3-cyclohexanedicarboxylic acid
US-10717697-B2 · Jul 21, 2020 · US
Method of producing acid halide solution and method of producing monoester compound
US-10633323-B2 · Apr 28, 2020 · US
Method for preparing 1,3-cyclohexanedicarboxylic acid
US-2019225568-A1 · Jul 25, 2019 · US
Method for producing 1,4-dicyanocyclohexane, 1,4-bis(aminomethyl)cyclohexane and 1,4-cyclohexanedicarboxylic acid
US-2019225572-A1 · Jul 25, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C61/09?
- CPC C07C61/09 is the Cooperative Patent Classification code for “Completely hydrogenated benzenedicarboxylic acids.”
- How many patents are filed under CPC C07C61/09 (Completely hydrogenated benzenedicarboxylic acids)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC C07C61/09 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).