Post-synthetic functionalization of porous materials
US-2024299905-A1 · Sep 12, 2024 · US
the functional group or the linking, spacer or anchoring group as a whole comprising at least one type of heteroatom selected from a nitrogen, oxygen or sulfur, these atoms not being part of the carrier as such
the functional group or the linking, spacer or anchoring group as a whole comprising at least one type of heteroatom selected from a nitrogen, oxygen or sulfur, these atoms not being part of the carrier as such · 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 | B01J20/3248 |
| Official title | {the functional group or the linking, spacer or anchoring group as a whole comprising at least one type of heteroatom selected from a nitrogen, oxygen or sulfur, these atoms not being part of the carrier as such} |
| Display label | the functional group or the linking, spacer or anchoring group as a whole comprising at least one type of heteroatom selected from a nitrogen, oxygen or sulfur, these atoms not being part of the carrier as such |
| Total patents | 254 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 20 |
| 2016 | 32 |
| 2017 | 19 |
| 2018 | 24 |
| 2019 | 20 |
| 2020 | 18 |
| 2021 | 21 |
| 2022 | 22 |
| 2023 | 22 |
| 2024 | 23 |
| 2025 | 28 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Filtration Device for Air Purification Appliance
US-2017296967-A1 · Oct 19, 2017 · US
Adsorbent with multiple layers
US-2017173558-A1 · Jun 22, 2017 · US
Virus reduction method
US-2017158732-A1 · Jun 8, 2017 · US
Sorbents for carbon dioxide reduction from indoor air
US-2017136399-A1 · May 18, 2017 · US
Bioseparation compositions and methods for making and using same
US-2017131190-A1 · May 11, 2017 · US
Ptp blister sheet, and ptp blister pack formed from same
US-2017043045-A1 · Feb 16, 2017 · US
Sorbents for carbon dioxide reduction from indoor air
US-9533250-B2 · Jan 3, 2017 · US
Separation matrices for purification of biological particles
US-2016367966-A1 · Dec 22, 2016 · US
Super absorbent polymer and a preparation method thereof
US-2016361704-A1 · Dec 15, 2016 · US
Super absorbent polymer and a preparation method thereof
US-9517446-B2 · Dec 13, 2016 · US
Impregnation of macrocycle organics to activated carbon
US-9493356-B1 · Nov 15, 2016 · US
Composition, method for preparing sugar chain sample, and method for analyzing sugar chain
US-2016327568-A1 · Nov 10, 2016 · US
Composite materials containing nanoparticles and their use in chromatography
US-2016263555-A1 · Sep 15, 2016 · US
Adsorptive membranes for trapping viruses
US-2016264942-A1 · Sep 15, 2016 · US
Sorbent for endotoxins
US-9440019-B2 · Sep 13, 2016 · US
Oxygen absorbent composition and oxygen absorbent package using the same
US-9428692-B2 · Aug 30, 2016 · US
Carbon sorbents for the removal of nitrogen oxides and methods for making the same
US-2016236169-A1 · Aug 18, 2016 · US
Method for treating amyloid disease
US-9409146-B2 · Aug 9, 2016 · US
Selenium removal
US-2016221838-A1 · Aug 4, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J20/3248?
- CPC B01J20/3248 is the Cooperative Patent Classification code for “the functional group or the linking, spacer or anchoring group as a whole comprising at least one type of heteroatom selected from a nitrogen, oxygen or sulfur, these atoms not being part of the carrier as such.”
- How many patents are filed under CPC B01J20/3248 (the functional group or the linking, spacer or anchoring group as a whole comprising at least one type of heteroatom selected from a nitrogen, oxygen or sulfur, these atoms not being part of the carrier as such)?
- Our database includes 254 publications tagged with this CPC code.
- Is patent activity under CPC B01J20/3248 growing?
- Publication counts under this code: 23 in 2024 vs 28 in 2025 (latest complete years).