Shaped catalyst body in the form of tetralobes having a central through-passage
US-2020398255-A1 · Dec 24, 2020 · US
with alkali metals, copper, gold or silver
with alkali metals, copper, gold or silver · 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 | B01J27/055 |
| Official title | with alkali metals, copper, gold or silver |
| Display label | with alkali metals, copper, gold or silver |
| Total patents | 103 |
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 | 11 |
| 2017 | 8 |
| 2018 | 12 |
| 2019 | 9 |
| 2020 | 11 |
| 2021 | 8 |
| 2022 | 8 |
| 2023 | 5 |
| 2024 | 15 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing isocyanates
US-10858310-B1 · Dec 8, 2020 · US
Method for producing isocyanates
US-2020361856-A1 · Nov 19, 2020 · US
Methods of hydrofluorination
US-10702858-B2 · Jul 7, 2020 · US
Method of sweetening hydrocarbon gas from hydrogen sulfide
US-2020197865-A1 · Jun 25, 2020 · US
Vanadium-based catalyst and preparation method therefor
US-2020156045-A1 · May 21, 2020 · US
Method and plant design for reduction of start-up sulfur oxide emissions in sulfuric acid production
US-10633251-B2 · Apr 28, 2020 · US
Effects of catalyst concentration and solid activator on nickel-mediated olefin/carbon dioxide coupling to acrylates
US-2020115309-A1 · Apr 16, 2020 · US
Method for preparing oxazolidinone intermediate
US-10590154-B2 · Mar 17, 2020 · US
Process-scale synthesis of urolithin a
US-2019263772-A1 · Aug 29, 2019 · US
Preparation method for tedizolid, tedizolid intermediate, and preparation method therefor
US-10385079-B2 · Aug 20, 2019 · US
Process for the removal of soot from a sulfurous gas stream
US-10322374-B2 · Jun 18, 2019 · US
Methods of hydrofluorination
US-2019176134-A1 · Jun 13, 2019 · US
Shaped catalyst body for the catalytic oxidation of SO2 into SO3
US-10307741-B2 · Jun 4, 2019 · US
High concentration silver solutions for ethylene oxide catalyst preparation
US-10300462-B2 · May 28, 2019 · US
Catalysts for the dehydration of hydroxypropionic acid and its derivatives
US-10272416-B2 · Apr 30, 2019 · US
Method and plant design for reduction of start-up sulfur oxide emissions in sulfuric acid production
US-2019047859-A1 · Feb 14, 2019 · US
Catalyst and method for its preparation
US-10202320-B2 · Feb 12, 2019 · US
Alkylene oxide catalyst and use thereof
US-10159961-B2 · Dec 25, 2018 · US
Preparation method for tedizolid, tedizolid intermedicate, and preparation method therefor
US-2018319828-A1 · Nov 8, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J27/055?
- CPC B01J27/055 is the Cooperative Patent Classification code for “with alkali metals, copper, gold or silver.”
- How many patents are filed under CPC B01J27/055 (with alkali metals, copper, gold or silver)?
- Our database includes 103 publications tagged with this CPC code.
- Is patent activity under CPC B01J27/055 growing?
- Publication counts under this code: 15 in 2024 vs 4 in 2025 (latest complete years).