Method for producing silicon-containing polymer composition
US-2022297109-A1 · Sep 22, 2022 · US
Column or bed processes
Column or bed processes · 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 | B01J47/02 |
| Official title | Column or bed processes |
| Display label | Column or bed processes |
| Total patents | 132 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 7 |
| 2018 | 6 |
| 2019 | 8 |
| 2020 | 17 |
| 2021 | 17 |
| 2022 | 14 |
| 2023 | 20 |
| 2024 | 13 |
| 2025 | 21 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ph-adjusted water production device
US-2022242760-A1 · Aug 4, 2022 · US
Method for extraction and purification of 68ga
US-2021308287-A1 · Oct 7, 2021 · US
Metal organic resins with zirconium nodes
US-2021299634-A1 · Sep 30, 2021 · US
Production of glycolaldehyde by thermolytic fragmentation
US-2021292263-A1 · Sep 23, 2021 · US
Catalysts, methods of making, and methods of hydrofluorination
US-2021275998-A1 · Sep 9, 2021 · US
Exosome production method
US-2021239664-A1 · Aug 5, 2021 · US
Method for producing acetic acid
US-2021221763-A1 · Jul 22, 2021 · US
Composite Extractant-Enhanced Polymer Resin, Method of Making the Same, and Its Usage for Extraction of Valuable Metal(s)
US-2021187492-A1 · Jun 24, 2021 · US
Flocculant Functionalized Separation Media
US-2021170389-A1 · Jun 10, 2021 · US
Composite materials containing organic polymer-encapsulated metal organic frameworks
US-11020724-B2 · Jun 1, 2021 · US
Method for the preparation of controlled porosity supports for chromatographic separation
US-2021121866-A1 · Apr 29, 2021 · US
Anionic exchange-hydrophobic mixed mode chromatography resins
US-2021069692-A1 · Mar 11, 2021 · US
Systems and methods for selective recovery of metals from ion exchange resins
US-2021062296-A1 · Mar 4, 2021 · US
Composite extractant-enhanced polymer resin, method of making the same, and its usage for extraction of valuable metal(s)
US-10933410-B2 · Mar 2, 2021 · US
Process using ion exchange resins for the treatment of wastewater emanating from purified terephthalic acid production
US-10919787-B2 · Feb 16, 2021 · US
Functionalized polyolefin capillaries for open tubular ion chromatography
US-2021016266-A1 · Jan 21, 2021 · US
Process for removing cobalt, lead, cadmium and chromium ions from bodily fluids using metallate ion exchange compositions
US-2021008266-A1 · Jan 14, 2021 · US
Antioxidant Protection for Ion Exchange Resins
US-2021001323-A1 · Jan 7, 2021 · US
Chromatography matrix
US-10864512-B2 · Dec 15, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J47/02?
- CPC B01J47/02 is the Cooperative Patent Classification code for “Column or bed processes.”
- How many patents are filed under CPC B01J47/02 (Column or bed processes)?
- Our database includes 132 publications tagged with this CPC code.
- Is patent activity under CPC B01J47/02 growing?
- Publication counts under this code: 13 in 2024 vs 21 in 2025 (latest complete years).