Rate/kinetic selective multiple bed adsorption process cycle
US-11883775-B2 · Jan 30, 2024 · US
Pore size
Pore size · 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 | B01D2253/308 |
| Official title | Pore size |
| Display label | Pore size |
| Total patents | 429 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 28 |
| 2016 | 33 |
| 2017 | 40 |
| 2018 | 34 |
| 2019 | 39 |
| 2020 | 38 |
| 2021 | 42 |
| 2022 | 44 |
| 2023 | 39 |
| 2024 | 31 |
| 2025 | 54 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Porous polymer material
US-9522358-B2 · Dec 20, 2016 · US
Recovery of Xe and other high value compounds
US-9518971-B2 · Dec 13, 2016 · US
Gas storage and dispensing system with monolithic carbon adsorbent
US-9518701-B2 · Dec 13, 2016 · US
Process for recovering natural gas liquids from natural gas produced in remote locations
US-2016340595-A1 · Nov 24, 2016 · US
Sequential removal of ngls from a natural gas stream
US-2016340596-A1 · Nov 24, 2016 · US
Method to provide pipeline quality natural gas
US-2016333275-A1 · Nov 17, 2016 · US
Methane-rich natural gas supply for stationary combustion systems
US-2016319210-A1 · Nov 3, 2016 · US
Metal-organic framework sorbents having hierarchical pore structure and method of making the same
US-9474997-B1 · Oct 25, 2016 · US
Microporous organogel absorbing/solubilising materials
US-9475045-B2 · Oct 25, 2016 · US
Porous cyclodextrin polymeric materials and methods of making and using same
US-2016304630-A1 · Oct 20, 2016 · US
Monolithic natural gas storage delivery system based on sorbents
US-9452380-B2 · Sep 27, 2016 · US
Filter materials for treating and purifying gas
US-9440219-B2 · Sep 13, 2016 · US
Absorbent/solubilizing materials based on microporous organogels
US-9421539-B2 · Aug 23, 2016 · US
Catalytic adsorbents obtained from municipal sludges, industrial sludges, compost and tobacco waste and process for their production
US-2016236146-A1 · Aug 18, 2016 · US
Activated carbon with a metal based component
US-9409162-B2 · Aug 9, 2016 · US
Synthesis of ultra-small pore aluminosilicates by controlled structural collapse of zeolites
US-9403148-B2 · Aug 2, 2016 · US
Metal organic frameworks for the catalytic detoxification of chemical warfare nerve agents
US-2016175827-A1 · Jun 23, 2016 · US
Apparatus and systems having an encased adsorbent contactor and swing adsorption processes related thereto
US-9358493-B2 · Jun 7, 2016 · US
Superadsorbent material system for improved filtration applications
US-2016136563-A1 · May 19, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2253/308?
- CPC B01D2253/308 is the Cooperative Patent Classification code for “Pore size.”
- How many patents are filed under CPC B01D2253/308 (Pore size)?
- Our database includes 429 publications tagged with this CPC code.
- Is patent activity under CPC B01D2253/308 growing?
- Publication counts under this code: 31 in 2024 vs 54 in 2025 (latest complete years).