System and Method for Solid Catalyst Separation In Slurry Reactors
US-2021362143-A1 · Nov 25, 2021 · US
using alkaline material; using salts
using alkaline material; using salts · 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 | B01J38/64 |
| Official title | using alkaline material; using salts |
| Display label | using alkaline material; using salts |
| Total patents | 69 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 14 |
| 2017 | 4 |
| 2018 | 13 |
| 2019 | 11 |
| 2020 | 9 |
| 2021 | 4 |
| 2022 | 3 |
| 2024 | 4 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of reducing impurities in a catalyst for producing terephthalic acid
US-11180439-B2 · Nov 23, 2021 · US
Method for reactivation of a homogeneous oxidation catalyst
US-10994270-B2 · May 4, 2021 · US
Method of reducing impurities in a catalyst for producing terephthalic acid
US-2021087132-A1 · Mar 25, 2021 · US
Process for the production of ethylene glycol and eterogeneous catalyst composition
US-2020406237-A1 · Dec 31, 2020 · US
Combustion system
US-10865684-B2 · Dec 15, 2020 · US
Method for recycling denitration catalyst
US-10767535-B2 · Sep 8, 2020 · US
Denitration catalyst and method for producing the same
US-10746073-B2 · Aug 18, 2020 · US
Method for recycling denitration catalyst
US-10746074-B2 · Aug 18, 2020 · US
Sulfide-based alkane dehydrogenation catalysts
US-10722871-B2 · Jul 28, 2020 · US
Method for storage and release of hydrogen
US-10618807-B2 · Apr 14, 2020 · US
Combustion system for ships
US-10550747-B2 · Feb 4, 2020 · US
Method of regenerating used denitration catalyst
US-10549264-B2 · Feb 4, 2020 · US
Combustion system
US-10519837-B2 · Dec 31, 2019 · US
Rhenium recovery from used reductive amination catalysts
US-10399064-B2 · Sep 3, 2019 · US
Denitration catalyst and method for producing the same
US-10385750-B2 · Aug 20, 2019 · US
Method for reactivation of a homogeneous oxidation catalyst
US-2019232271-A1 · Aug 1, 2019 · US
Denitration catalyst and method for producing same
US-2019193054-A1 · Jun 27, 2019 · US
Method for storage and release of hydrogen
US-2019135622-A1 · May 9, 2019 · US
Process for making cyclohexanone
US-10259765-B2 · Apr 16, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J38/64?
- CPC B01J38/64 is the Cooperative Patent Classification code for “using alkaline material; using salts.”
- How many patents are filed under CPC B01J38/64 (using alkaline material; using salts)?
- Our database includes 69 publications tagged with this CPC code.
- Is patent activity under CPC B01J38/64 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).