Method for gas separation
US-2017348670-A1 · Dec 7, 2017 · US
Surface area, e.g. BET-specific surface
Surface area, e.g. BET-specific surface · 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 | B01D2253/306 |
| Official title | Surface area, e.g. BET-specific surface |
| Display label | Surface area, e.g. BET-specific surface |
| Total patents | 483 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 21 |
| 2016 | 31 |
| 2017 | 39 |
| 2018 | 46 |
| 2019 | 52 |
| 2020 | 47 |
| 2021 | 42 |
| 2022 | 48 |
| 2023 | 47 |
| 2024 | 42 |
| 2025 | 56 |
| 2026 | 12 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for removal of sulfur-based gas
US-9833735-B2 · Dec 5, 2017 · US
Carbon porous body, production method thereof, ammonia adsorbent material, canister, and production method thereof
US-2017326527-A1 · Nov 16, 2017 · US
Deodorant and deodorizing product
US-2017306554-A1 · Oct 26, 2017 · US
Alumina-based adsorbent containing sodium and doped with an alkali element for capturing acidic molecules
US-2017225144-A1 · Aug 10, 2017 · US
Coated nanoclusters for carbon dioxide adsorption
US-2017165633-A1 · Jun 15, 2017 · US
Storage and stabilization of acetylene
US-9630895-B2 · Apr 25, 2017 · US
Porous cyclodextrin polymeric materials and methods of making and using same
US-9624314-B2 · Apr 18, 2017 · US
Method for regenerating adsorbent media used for extracting natural gas liquids from natural gas
US-2016355743-A1 · Dec 8, 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
Capture mass composed of elemental sulphur deposited on a porous support for capturing heavy metals
US-9486738-B2 · Nov 8, 2016 · US
Methane-rich natural gas supply for stationary combustion systems
US-2016319210-A1 · Nov 3, 2016 · US
Silica containing basic sorbent for acid gas removal
US-9475030-B2 · Oct 25, 2016 · US
Porous cyclodextrin polymeric materials and methods of making and using same
US-2016304630-A1 · Oct 20, 2016 · US
Porous polymer networks and ion-exchange media and metal-polymer composites made therefrom
US-9468923-B2 · Oct 18, 2016 · US
Methods of applying a sorbent coating on a substrate, a support, and/or a substrate coated with a support
US-9457340-B2 · Oct 4, 2016 · US
Method for removal of sulfur-based gas
US-2016279558-A1 · Sep 29, 2016 · US
Monolithic natural gas storage delivery system based on sorbents
US-9452380-B2 · Sep 27, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2253/306?
- CPC B01D2253/306 is the Cooperative Patent Classification code for “Surface area, e.g. BET-specific surface.”
- How many patents are filed under CPC B01D2253/306 (Surface area, e.g. BET-specific surface)?
- Our database includes 483 publications tagged with this CPC code.
- Is patent activity under CPC B01D2253/306 growing?
- Publication counts under this code: 42 in 2024 vs 56 in 2025 (latest complete years).