APPARATUS FOR PREPARING GLYCOL AND METHOD OF PREPARING THE SAME (As Amended)
US-2017349512-A1 · Dec 7, 2017 · US
Vacuum distillation (B01D3/12 takes precedence)
Vacuum distillation (B01D3/12 takes precedence) · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01D3/10 |
| Official title | Vacuum distillation (B01D3/12 takes precedence) |
| Display label | Vacuum distillation (B01D3/12 takes precedence) |
| Total patents | 391 |
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 | 15 |
| 2017 | 34 |
| 2018 | 39 |
| 2019 | 43 |
| 2020 | 40 |
| 2021 | 55 |
| 2022 | 43 |
| 2023 | 38 |
| 2024 | 32 |
| 2025 | 36 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Efficient Method for Producing and Purifying Anhydrous Sugar Alcohol
US-2017349603-A1 · Dec 7, 2017 · US
Method for Separation of Close-Boiling Mixture of Polyols
US-2017327446-A1 · Nov 16, 2017 · US
Deacidification of fats and oils
US-9816047-B2 · Nov 14, 2017 · US
Production of ammonium sulfate using a vacuum absorption process
US-2017291825-A1 · Oct 12, 2017 · US
Process for vacuum distillation of a crude hydrocarbon stream
US-9783741-B2 · Oct 10, 2017 · US
Method of recycling hydrochloric and hydrofluoric acid effluent
US-9783427-B2 · Oct 10, 2017 · US
Methods for fractionation of lubricant feeds
US-2017283711-A1 · Oct 5, 2017 · US
System and method for organic solvent purification
US-9765024-B2 · Sep 19, 2017 · US
Method for producing cis- and trans-enriched mdach
US-2017260115-A1 · Sep 14, 2017 · US
Method and device for separating a substance out of a solution
US-2017240494-A1 · Aug 24, 2017 · US
Vacuum distillation method for easily polymerizable compound and method for producing acrylic acid
US-9738586-B2 · Aug 22, 2017 · US
Process for the isolation of 1,2,5,6-hexanetetrol from sorbitol hydrogenolysis reaction mixtures using simulated moving bed chromatography
US-9732020-B2 · Aug 15, 2017 · US
Low pressure separator having an internal divider and uses therefor
US-2017225098-A1 · Aug 10, 2017 · US
Product management in biological conversion processes
US-2017226538-A1 · Aug 10, 2017 · US
Recovering heavy rare earth metals from magnet scrap
US-9725788-B2 · Aug 8, 2017 · US
Locally Powered Water Distillation System
US-2017210637-A1 · Jul 27, 2017 · US
Quenching vacuum distillation column wash zone liquid
US-2017204336-A1 · Jul 20, 2017 · US
Method for the purification of natural vanillin
US-2017204039-A1 · Jul 20, 2017 · US
Process and system for producing acrylic acid
US-2017174604-A1 · Jun 22, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D3/10?
- CPC B01D3/10 is the Cooperative Patent Classification code for “Vacuum distillation (B01D3/12 takes precedence).”
- How many patents are filed under CPC B01D3/10 (Vacuum distillation (B01D3/12 takes precedence))?
- Our database includes 391 publications tagged with this CPC code.
- Is patent activity under CPC B01D3/10 growing?
- Publication counts under this code: 32 in 2024 vs 36 in 2025 (latest complete years).