Method for producing carboxylic acid esters and the use thereof as plasticizers
US-10106486-B2 · Oct 23, 2018 · US
Separation; Purification; Stabilisation; Use of additives
Separation; Purification; Stabilisation; Use of additives · 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 | C07C67/48 |
| Official title | Separation; Purification; Stabilisation; Use of additives |
| Display label | Separation; Purification; Stabilisation; Use of additives |
| Total patents | 184 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 13 |
| 2017 | 15 |
| 2018 | 17 |
| 2019 | 14 |
| 2020 | 17 |
| 2021 | 16 |
| 2022 | 21 |
| 2023 | 16 |
| 2024 | 15 |
| 2025 | 15 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for manufacturing organic processing fluid for patterning of chemical amplification type resist film, organic processing fluid for patterning of chemical amplification type resist film, pattern forming method, method for manufacturing electronic device, and electronic device
US-10088752-B2 · Oct 2, 2018 · US
Stripping method
US-10081583-B2 · Sep 25, 2018 · US
Extractive workup of a sodium-salt-containing mma-methanol mixture
US-2018251419-A1 · Sep 6, 2018 · US
Methods for making improved quantum dot resin formulations
US-2018230377-A1 · Aug 16, 2018 · US
Chlorogenic acid-containing composition, method for manufacturing same, and drink or food item
US-10039303-B2 · Aug 7, 2018 · US
Low pour point trimethylolpropane esters
US-2018163151-A1 · Jun 14, 2018 · US
Method for purifying an ester compound
US-2018134652-A1 · May 17, 2018 · US
Method of purifying terephthalate based ester compounds
US-2018134651-A1 · May 17, 2018 · US
Method for preparing methyl formate and coproducing dimethyl ether
US-9938227-B2 · Apr 10, 2018 · US
Reduced fouling process for the production of methyl methacrylate
US-9932291-B2 · Apr 3, 2018 · US
Catalytic processes for preparing estolide base oils
US-9878973-B2 · Jan 30, 2018 · US
Process for the synthesis of aliphatic dialkyl esters from vegetable oils
US-9862671-B2 · Jan 9, 2018 · US
Coriolus versicolor extracts, methods of isolating biologically-active compounds, and uses thereof
US-9861604-B2 · Jan 9, 2018 · US
Stripping method
US-2017362148-A1 · Dec 21, 2017 · US
Reduced fouling process for the production of methyl methacrylate
US-2017334827-A1 · Nov 23, 2017 · US
Method for Preparing Methyl Formate and Coproducing Dimethyl Ether
US-2017320807-A1 · Nov 9, 2017 · US
Method for preparing alpha-hydroxycarboxylic acid esters in which ammonia is recycled
US-2017283364-A1 · Oct 5, 2017 · US
Sustainable Process for the Recycling of Polyethylene Phthalate
US-2017253714-A1 · Sep 7, 2017 · US
Alpha- and gamma-truxillic acid derivatives and pharmaceutical compositions thereof
US-2017216241-A1 · Aug 3, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C67/48?
- CPC C07C67/48 is the Cooperative Patent Classification code for “Separation; Purification; Stabilisation; Use of additives.”
- How many patents are filed under CPC C07C67/48 (Separation; Purification; Stabilisation; Use of additives)?
- Our database includes 184 publications tagged with this CPC code.
- Is patent activity under CPC C07C67/48 growing?
- Publication counts under this code: 15 in 2024 vs 15 in 2025 (latest complete years).