Process for making phenol and xylenes
US-11767280-B2 · Sep 26, 2023 · US
by liquid-liquid treatment
by liquid-liquid treatment · 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 | C07C37/72 |
| Official title | by liquid-liquid treatment |
| Display label | by liquid-liquid treatment |
| Total patents | 84 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 7 |
| 2019 | 7 |
| 2020 | 10 |
| 2021 | 14 |
| 2022 | 14 |
| 2023 | 9 |
| 2024 | 10 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gas phase methods to decarboxylate cannabinoids
US-11643402-B2 · May 9, 2023 · US
Methods to separate cannabinoids from impurities by crystallization
US-2022396540-A1 · Dec 15, 2022 · US
Synthesis and purification of cannabigerol and its application
US-2022296482-A1 · Sep 22, 2022 · US
Method for decomposing phenol-based by-product
US-2022281791-A1 · Sep 8, 2022 · US
Method of decomposing phenolic by-products
US-2022259125-A1 · Aug 18, 2022 · US
Method for producing sodium salt of phenol compound and bisphosphite compound
US-2022251122-A1 · Aug 11, 2022 · US
Method of decomposing phenolic by-product
US-2022251012-A1 · Aug 11, 2022 · US
Method for decomposing phenolic by-product
US-11370735-B2 · Jun 28, 2022 · US
Recovery, decarboxylation, and purification of cannabinoids from engineered cell cultures
US-2022098625-A1 · Mar 31, 2022 · US
Process for making phenol and xylenes
US-2022081382-A1 · Mar 17, 2022 · US
Compound, resist composition, and method for forming resist pattern using it
US-11256170-B2 · Feb 22, 2022 · US
Phenol derivative, and preparation process and use thereof
US-2022041535-A1 · Feb 10, 2022 · US
Compositions comprising 2-[(1r,6r)-6-isopropenyl-3-methylcyclohex-2-en-1-yl]-3-hydroxy-5-pentylphenolate
US-2022023773-A1 · Jan 27, 2022 · US
Continuos flow synthesis of cannabidiol
US-2022009865-A1 · Jan 13, 2022 · US
Method for decomposing phenolic by-product
US-2022009868-A1 · Jan 13, 2022 · US
Methods of isolating phenols from phenol-containing media
US-2021403401-A1 · Dec 30, 2021 · US
Trihydroxybenzene production method
US-2021331993-A1 · Oct 28, 2021 · US
Method of treating a neutralized aralkyl hydroperoxide cleavage stream
US-11148987-B2 · Oct 19, 2021 · US
Material for forming underlayer film for lithography, composition for forming underlayer film for lithography, underlayer film for lithography and production method thereof, pattern forming method, resin, and purification method
US-11143962-B2 · Oct 12, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C37/72?
- CPC C07C37/72 is the Cooperative Patent Classification code for “by liquid-liquid treatment.”
- How many patents are filed under CPC C07C37/72 (by liquid-liquid treatment)?
- Our database includes 84 publications tagged with this CPC code.
- Is patent activity under CPC C07C37/72 growing?
- Publication counts under this code: 10 in 2024 vs 6 in 2025 (latest complete years).