Transition metal containing carbon molecular sieve membranes and method to make them
US-2019118133-A1 · Apr 25, 2019 · US
with "carriers"
with "carriers" · 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 | B01D69/142 |
| Official title | {with "carriers"} |
| Display label | with "carriers" |
| Total patents | 143 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 18 |
| 2017 | 14 |
| 2018 | 16 |
| 2019 | 23 |
| 2020 | 21 |
| 2021 | 10 |
| 2022 | 14 |
| 2023 | 8 |
| 2024 | 3 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gas separation method
US-2019083925-A1 · Mar 21, 2019 · US
High selectivity facilitated transport membrane comprising polyethersulfone/polyethylene oxide-polysilsesquioxane blend membrane for olefin/paraffin separations
US-2019060841-A1 · Feb 28, 2019 · US
Biomimetic membranes and methods of making biomimetic membranes
US-10130916-B1 · Nov 20, 2018 · US
Aqueous phase separation method
US-2018318775-A1 · Nov 8, 2018 · US
Spiral-wound acid gas separation membrane element, acid gas separation membrane module, and acid gas separation apparatus
US-10092880-B2 · Oct 9, 2018 · US
Volatile organic compound transport
US-2018273890-A1 · Sep 27, 2018 · US
Microcapsule fabric for absorption and release
US-2018272273-A1 · Sep 27, 2018 · US
Method of producing composite for acid gas separation and apparatus for producing same
US-10022675-B2 · Jul 17, 2018 · US
Method for separating carbon dioxide and apparatus for separating carbon dioxide
US-2018185784-A1 · Jul 5, 2018 · US
Spiral-wound acid gas separation membrane element, acid gas separation membrane module, and acid gas separation apparatus
US-2018178166-A1 · Jun 28, 2018 · US
Method of producing composite for acid gas separation
US-9987598-B2 · Jun 5, 2018 · US
Polymeric membranes for separation of gases
US-2018147513-A1 · May 31, 2018 · US
Spiral-wound acid gas separation membrane element, acid gas separation membrane module, and acid gas separation apparatus
US-2018133654-A1 · May 17, 2018 · US
Polyacid-functionalized porous membranes, related methods, and related polyacid polymers
US-2018117538-A1 · May 3, 2018 · US
Composite polyamide membrane post-treated with nitrous acid
US-9943810-B2 · Apr 17, 2018 · US
Organic-inorganic composite, structural body, and method for producing organic-inorganic composite
US-9944767-B2 · Apr 17, 2018 · US
Stable facilitated transport membranes for olefin/paraffin separations
US-2018001268-A1 · Jan 4, 2018 · US
1, 3-butadiene separating material, and separation method using said separating material
US-9856190-B2 · Jan 2, 2018 · US
High selectivity facilitated transport membranes and their use for olefin/paraffin separations
US-2017354918-A1 · Dec 14, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D69/142?
- CPC B01D69/142 is the Cooperative Patent Classification code for “with "carriers".”
- How many patents are filed under CPC B01D69/142 (with "carriers")?
- Our database includes 143 publications tagged with this CPC code.
- Is patent activity under CPC B01D69/142 growing?
- Publication counts under this code: 3 in 2024 vs 6 in 2025 (latest complete years).