Separation of nitrogen from hydrocarbon gas using pyrolyzed sulfonated macroporous ion exchange resin
US-2017368493-A1 · Dec 28, 2017 · US
being in the range 500-1000 m2/g
being in the range 500-1000 m2/g · 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 | B01J20/28064 |
| Official title | {being in the range 500-1000 m2/g} |
| Display label | being in the range 500-1000 m2/g |
| Total patents | 496 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 31 |
| 2017 | 37 |
| 2018 | 55 |
| 2019 | 60 |
| 2020 | 39 |
| 2021 | 41 |
| 2022 | 32 |
| 2023 | 55 |
| 2024 | 52 |
| 2025 | 64 |
| 2026 | 12 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Carbon porous body, production method thereof, ammonia adsorbent material, canister, and production method thereof
US-2017326527-A1 · Nov 16, 2017 · US
Filtration Device for Air Purification Appliance
US-2017296967-A1 · Oct 19, 2017 · US
Method for a treatment of water by adsorption on active carbon and clarification, and corresponding plant
US-2017297940-A1 · Oct 19, 2017 · US
Use of Magnetic Mesoporous Silica Nanoparticles For Removing Uranium From Media
US-2017225967-A1 · Aug 10, 2017 · US
Integral 3D graphene-carbon hybrid foam and devices containing same
US-2017182474-A1 · Jun 29, 2017 · US
Porous carbon material and method for manufacturing porous carbon material
US-2017166451-A1 · Jun 15, 2017 · US
Superabsorbent polymer
US-2017043319-A1 · Feb 16, 2017 · US
Superabsorbent polymer and preparation method therefor
US-9555393-B2 · Jan 31, 2017 · US
Porous carbon, method for manufacturing porous carbon, and adsorption/desorption apparatus using porous carbon
US-2017021330-A1 · Jan 26, 2017 · US
Molecular sieve, manufacturing method therefor, and uses thereof
US-2017001873-A1 · Jan 5, 2017 · US
Cigarette mainstream smoke component adsorbent and cigarette filter
US-9486011-B2 · Nov 8, 2016 · US
Divinylbenzene/maleic anhydride polymeric material
US-2016311996-A1 · Oct 27, 2016 · US
Carbide-derived carbons having incorporated metal chloride or metallic nanoparticles
US-2016310929-A1 · Oct 27, 2016 · US
Silica containing basic sorbent for acid gas removal
US-9475030-B2 · Oct 25, 2016 · US
Cation adsorbent and treatment method for solution using the same
US-2016289794-A1 · Oct 6, 2016 · US
Regenerable system for the removal of sulfur compounds from a gas stream
US-2016279595-A1 · Sep 29, 2016 · US
Molding for a hydrophobic zeolitic material and process for its production
US-2016250624-A1 · Sep 1, 2016 · US
Process for preparing a carbon foam and use of the material obtained
US-9428387-B2 · Aug 30, 2016 · US
Porous carbon material, adsorbent, oral adsorbent, medical adsorbent, filler for blood purification column, water purification adsorbent, cleansing agent, carrier, sustained release pharmaceutical, cell culture scaffold, mask, carbon/polymer composite, adsorbent sheet and functional food
US-9421515-B2 · Aug 23, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J20/28064?
- CPC B01J20/28064 is the Cooperative Patent Classification code for “being in the range 500-1000 m2/g.”
- How many patents are filed under CPC B01J20/28064 (being in the range 500-1000 m2/g)?
- Our database includes 496 publications tagged with this CPC code.
- Is patent activity under CPC B01J20/28064 growing?
- Publication counts under this code: 52 in 2024 vs 64 in 2025 (latest complete years).