Method for preparing a catalyst and method for producing 1,4-butanediol and/or tetrahydrofuran from furan
US-2020376468-A1 · Dec 3, 2020 · US
Rhenium
Rhenium · 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 | B01J23/6567 |
| Official title | {Rhenium} |
| Display label | Rhenium |
| Total patents | 115 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 4 |
| 2017 | 9 |
| 2018 | 10 |
| 2019 | 17 |
| 2020 | 22 |
| 2021 | 15 |
| 2022 | 9 |
| 2023 | 3 |
| 2024 | 6 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Shaped porous carbon products
US-2020346188-A1 · Nov 5, 2020 · US
Reforming catalyst and a process for preparation thereof
US-10751703-B2 · Aug 25, 2020 · US
Production of bio-based liquefied petroleum gas
US-2020239798-A1 · Jul 30, 2020 · US
Non-destructive process for removing metals, metal ions and metal oxides from alumina-based materials
US-2020207635-A1 · Jul 2, 2020 · US
Alkane activation with single and bi-metallic catalysts
US-2020102257-A1 · Apr 2, 2020 · US
Method for producing adipamide as intermediate for production of raw material for bio-based nylon
US-2020071262-A1 · Mar 5, 2020 · US
Shaped porous carbon products
US-2020023340-A1 · Jan 23, 2020 · US
Catalyst for hydrogenation of carbonyl compound and alcohol production method
US-2020001276-A1 · Jan 2, 2020 · US
Processes to Make Neopentane Using Shell and Tube Reactors
US-2019367429-A1 · Dec 5, 2019 · US
Solid catalysts for producing alcohols and methods of making the same
US-10486141-B2 · Nov 26, 2019 · US
Alkane activation with single and bi-metallic catalysts
US-10472303-B2 · Nov 12, 2019 · US
Method for hydrogenating carboxylic acids in order to form alcohols
US-10450252-B2 · Oct 22, 2019 · US
Hydrogenation reaction catalyst for 1,4-anhydroerythritol, method for producing 3-hydroxytetrahydrofuran, and method for producing 1,3-butane diol
US-2019262805-A1 · Aug 29, 2019 · US
Producing bdo via hydroformylation of allyl alcohol made from glycerin
US-2019263737-A1 · Aug 29, 2019 · US
Rhenium catalysts for glycerin to allyl alcohol conversion
US-2019262801-A1 · Aug 29, 2019 · US
Shaped porous carbon products
US-10384192-B2 · Aug 20, 2019 · US
Modified heterogeneous catalyst
US-10384199-B2 · Aug 20, 2019 · US
Exhaust gas purification catalyst
US-10378409-B2 · Aug 13, 2019 · US
Olefin metathesis reaction catalyst and preparation method therefor
US-2019217277-A1 · Jul 18, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J23/6567?
- CPC B01J23/6567 is the Cooperative Patent Classification code for “Rhenium.”
- How many patents are filed under CPC B01J23/6567 (Rhenium)?
- Our database includes 115 publications tagged with this CPC code.
- Is patent activity under CPC B01J23/6567 growing?
- Publication counts under this code: 6 in 2024 vs 8 in 2025 (latest complete years).