Solid, hydrophobic aggregators and methods of making and using the same
US-2019308166-A1 · Oct 10, 2019 · US
having a well defined chemical structure
having a well defined chemical structure · 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 | B01J20/3246 |
| Official title | {having a well defined chemical structure} |
| Display label | having a well defined chemical structure |
| Total patents | 141 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 16 |
| 2017 | 11 |
| 2018 | 18 |
| 2019 | 11 |
| 2020 | 17 |
| 2021 | 15 |
| 2022 | 10 |
| 2023 | 11 |
| 2024 | 11 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Application of hybrid aluminosilicates
US-10179322-B2 · Jan 15, 2019 · US
Chromatographic materials for the separation of unsaturated molecules
US-2018345248-A1 · Dec 6, 2018 · US
CO2 sorption by supported amino acid ionic liquids
US-10130911-B2 · Nov 20, 2018 · US
Chromatographic materials
US-2018326399-A1 · Nov 15, 2018 · US
Method for measuring polymer modification ratio
US-2018328901-A1 · Nov 15, 2018 · US
Methods, compositions, devices, and kits, for performing phospholipid separation
US-2018291044-A1 · Oct 11, 2018 · US
Chromatographic materials for the separation of unsaturated molecules
US-10092894-B2 · Oct 9, 2018 · US
Small molecule affinity membrane purification systems and uses thereof
US-2018273582-A1 · Sep 27, 2018 · US
Functionalized sio2 microspheres for extracting oil from produced water
US-2018250656-A1 · Sep 6, 2018 · US
Ketone-based gas adsorbent, gas adsorbent composition, and deodorant processed goods
US-2018177906-A1 · Jun 28, 2018 · US
Core-shell compositions, methods of making the same, and gas separation processes using the same
US-2018169612-A1 · Jun 21, 2018 · US
Cyclic thermal swing adsorption with direct heat transfer
US-9968882-B2 · May 15, 2018 · US
Sorbent systems and methods
US-2018126358-A1 · May 10, 2018 · US
Methods, compositions, devices, and kits for performing phospholipid separation
US-9951092-B2 · Apr 24, 2018 · US
Alkyl functionalized porous silica liquid chromatographic stationary phases and solid phase extraction sorbents
US-9925515-B1 · Mar 27, 2018 · US
Chromatographic materials
US-9925521-B2 · Mar 27, 2018 · US
Carbon dioxide sorbents for indoor air quality control
US-2018050322-A1 · Feb 22, 2018 · US
Extracorporeal perfusion apparatus
US-9861735-B2 · Jan 9, 2018 · US
Device for solid phase extraction and method for use thereof
US-2018001229-A1 · Jan 4, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J20/3246?
- CPC B01J20/3246 is the Cooperative Patent Classification code for “having a well defined chemical structure.”
- How many patents are filed under CPC B01J20/3246 (having a well defined chemical structure)?
- Our database includes 141 publications tagged with this CPC code.
- Is patent activity under CPC B01J20/3246 growing?
- Publication counts under this code: 11 in 2024 vs 6 in 2025 (latest complete years).