Membranes for gas separation
US-12023633-B2 · Jul 2, 2024 · US
Organic/inorganic mixed matrix membranes
Organic/inorganic mixed matrix membranes · 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 | B01D69/148 |
| Official title | {Organic/inorganic mixed matrix membranes} |
| Display label | Organic/inorganic mixed matrix membranes |
| Total patents | 780 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 39 |
| 2016 | 49 |
| 2017 | 40 |
| 2018 | 74 |
| 2019 | 76 |
| 2020 | 92 |
| 2021 | 88 |
| 2022 | 77 |
| 2023 | 79 |
| 2024 | 68 |
| 2025 | 77 |
| 2026 | 21 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method to embed ceramic nanoparticles into transparent polymer membranes
US-2024039035-A1 · Feb 1, 2024 · US
Crosslinked polymer, method for producing the same, molecular sieve composition and material separation membranes
US-2016367948-A1 · Dec 22, 2016 · US
Treated mixed matrix polymeric membranes
US-9522364-B2 · Dec 20, 2016 · US
Membranes comprising graphene
US-2016354729-A1 · Dec 8, 2016 · US
Nanoparticle and gelation stabilized functional composites of an ionic salt in a hydrophobic polymer matrix
US-9499715-B2 · Nov 22, 2016 · US
Nanocomposite membranes with advanced antifouling properties under visible light irradiation
US-9486747-B2 · Nov 8, 2016 · US
Method for Preparing a Resin-Treated Microporous Membrane
US-2016317974-A1 · Nov 3, 2016 · US
Composite Membrane
US-2016317978-A1 · Nov 3, 2016 · US
Osmosis
US-2016297693-A1 · Oct 13, 2016 · US
Gas separation composite membrane and method of producing the same, and gas separating module, gas separation apparatus and gas separation method using the same
US-9452392-B2 · Sep 27, 2016 · US
Ion-exchange membrane with preferentially oriented morphological texture
US-2016276688-A1 · Sep 22, 2016 · US
Compatibilized immiscible polymer blends and molecular sieve membranes thereof
US-2016263534-A1 · Sep 15, 2016 · US
Nanoparticle and gelation stabilized functional composites of an ionic salt in a hydrophobic polymer matrix
US-2016244630-A1 · Aug 25, 2016 · US
Multiblock copolymer films with inorganic nanoparticles, methods of making same, and uses thereof
US-2016229969-A1 · Aug 11, 2016 · US
Carbon nanotube composite membrane
US-9381449-B2 · Jul 5, 2016 · US
ZIF-8-90 METAL ORGANIC FRAMEWORK (MOF) MEMBRANES FOR n-BUTANE/i-BUTANE SEPARATIONS
US-2016130199-A1 · May 12, 2016 · US
Porous membrane and method for manufacturing the same
US-9314745-B2 · Apr 19, 2016 · US
Grafted Polymer Nanocomposite Materials, Systems, And Methods
US-2016101386-A1 · Apr 14, 2016 · US
Super-surface selective nanomembranes providing simultaneous high permeation flux and high selectivity
US-9308501-B2 · Apr 12, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D69/148?
- CPC B01D69/148 is the Cooperative Patent Classification code for “Organic/inorganic mixed matrix membranes.”
- How many patents are filed under CPC B01D69/148 (Organic/inorganic mixed matrix membranes)?
- Our database includes 780 publications tagged with this CPC code.
- Is patent activity under CPC B01D69/148 growing?
- Publication counts under this code: 68 in 2024 vs 77 in 2025 (latest complete years).