Ultrathin layer photocatalysts
US-2024216902-A1 · Jul 4, 2024 · US
Freeze drying, i.e. lyophilisation
Freeze drying, i.e. lyophilisation · 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 | B01J37/32 |
| Official title | Freeze drying, i.e. lyophilisation |
| Display label | Freeze drying, i.e. lyophilisation |
| Total patents | 75 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 6 |
| 2017 | 7 |
| 2018 | 1 |
| 2019 | 13 |
| 2020 | 3 |
| 2021 | 7 |
| 2022 | 4 |
| 2023 | 10 |
| 2024 | 7 |
| 2025 | 10 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ultrathin layer photocatalysts
US-11938469-B1 · Mar 26, 2024 · US
METHOD OF PREPARING FeMnCeOx BIOMATERIAL AND METHOD OF TREATING ANTIBIOTIC WASTEWATER
US-2024059593-A1 · Feb 22, 2024 · US
Capacitive deionization electrode
US-11845664-B2 · Dec 19, 2023 · US
Method for synthesizing 2D ultrathin ZIF-67 with hierarchical porous structure
US-11819836-B2 · Nov 21, 2023 · US
Porous manganese-containing fenton catalytic material and preparation method and use thereof
US-2023338926-A1 · Oct 26, 2023 · US
Preparation and application of gradient long-effective catalytic membrane with high-strength and anti-deposition property
US-2023286834-A1 · Sep 14, 2023 · US
Preparation and application of gradient long-effective catalytic membrane with high-strength and anti-deposition property
US-11746026-B1 · Sep 5, 2023 · US
Z-type heterojunction composite material of tungsten oxide nanorod/titanium carbide quantum dot/indium sulfide nanosheet, preparation method therefor and application thereof
US-2023249161-A1 · Aug 10, 2023 · US
Alloy nanoparticles, method for forming the alloy nanoparticles, and alloy nanocatalyst comprising the alloy nanoparticles
US-2023226604-A1 · Jul 20, 2023 · US
Formulations for metal catalysis in water comprising a surfactant and a lipophilic compound
US-2023191383-A1 · Jun 22, 2023 · US
Method of preparing a mesoporous carbon composite material
US-11607670-B2 · Mar 21, 2023 · US
Method for synthesizing 2d ultrathin zif-67 with hierarchical porous structure
US-2023063877-A1 · Mar 2, 2023 · US
Materials comprising carbon-embedded nickel nanoparticles, processes for their manufacture, and use as heterogeneous catalysts
US-2022347658-A1 · Nov 3, 2022 · US
Materials comprising carbon-embedded iron nanoparticles, processes for their manufacture, and use as heterogeneous catalysts
US-2022323941-A1 · Oct 13, 2022 · US
Materials comprising carbon-embedded cobalt nanoparticles, processes for their manufacture, and use as heterogeneous catalysts
US-2022314202-A1 · Oct 6, 2022 · US
Visible-light response hybrid aerogel and preparation method and application thereof in waste gas processing
US-11325115-B2 · May 10, 2022 · US
Capacitive deionization electrode
US-2021363015-A1 · Nov 25, 2021 · US
Metal-free few-layer phosphorous nanomaterial: method for its preparation and use thereof
US-2021362135-A1 · Nov 25, 2021 · US
Metal/alpha-MoC1-X load-type single-atomic dispersion catalyst, synthesis method and applications
US-11141716-B2 · Oct 12, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J37/32?
- CPC B01J37/32 is the Cooperative Patent Classification code for “Freeze drying, i.e. lyophilisation.”
- How many patents are filed under CPC B01J37/32 (Freeze drying, i.e. lyophilisation)?
- Our database includes 75 publications tagged with this CPC code.
- Is patent activity under CPC B01J37/32 growing?
- Publication counts under this code: 7 in 2024 vs 10 in 2025 (latest complete years).