Purification Of Bio Based Acrylic Acid To Crude And Glacial Acrylic Acid
US-2017362158-A1 · Dec 21, 2017 · US
with chromium, molybdenum, tungsten or polonium
with chromium, molybdenum, tungsten or polonium · 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 | B01J27/188 |
| Official title | with chromium, molybdenum, tungsten or polonium |
| Display label | with chromium, molybdenum, tungsten or polonium |
| Total patents | 233 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 25 |
| 2016 | 28 |
| 2017 | 30 |
| 2018 | 19 |
| 2019 | 20 |
| 2020 | 18 |
| 2021 | 17 |
| 2022 | 24 |
| 2023 | 24 |
| 2024 | 8 |
| 2025 | 19 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Catalyst system for preparing propylene oxide
US-2017298034-A1 · Oct 19, 2017 · US
Hydrogenation catalyst and method for producing same
US-9737883-B2 · Aug 22, 2017 · US
Catalysts conversion of hydroxypropionic acid or its derivatives to acrylic acid or its derivatives
US-9714208-B2 · Jul 25, 2017 · US
Mesoporous and macroporous catalyst for hydroconversion of residues and preparation method
US-2017121612-A1 · May 4, 2017 · US
Mesoporous catalyst for hydroconversion of residues and method for preparing the latter
US-2017120228-A1 · May 4, 2017 · US
Preparation of aldehydes and ketones from alkenes using polyoxometalate catalysts and nitrogen oxides
US-2017057897-A1 · Mar 2, 2017 · US
Cathode material, interconnector material and solid oxide fuel cell
US-9520597-B2 · Dec 13, 2016 · US
Method for the production of acrylic acid or its derivatives
US-9505697-B2 · Nov 29, 2016 · US
Catalyst for catalytic cracking in a fluidized bed
US-9480975-B2 · Nov 1, 2016 · US
Exhaust gas purification catalyst
US-2016296920-A1 · Oct 13, 2016 · US
Method of making a hydroprocessing catalyst with a single step metal and chelant incorporation, the catalyst, and the use of the catalyst
US-2016289572-A1 · Oct 6, 2016 · US
Process for preparing an alkene
US-2016257629-A1 · Sep 8, 2016 · US
Process for production of acrylic acid or its derivatives from hydroxypropionic acid or its derivatives
US-9422222-B2 · Aug 23, 2016 · US
Process for the synthesis of 5-hydroxymethylfurfural from saccharides
US-9409877-B2 · Aug 9, 2016 · US
Prevention of tissue ischemia and related methods
US-2016222097-A1 · Aug 4, 2016 · US
Method of making a hydroprocessing catalyst with a single step metal and chelant incorporation, the catalyst, and the use of the catalyst
US-9376637-B2 · Jun 28, 2016 · US
Process for hydrodesulphuration of gasoline cuts using a catalyst based on heteropolyanions trapped in a mesostructured silica support
US-9376636-B2 · Jun 28, 2016 · US
Process for preparing propylene oxide
US-2016176834-A1 · Jun 23, 2016 · US
Process for preparing propylene oxide
US-2016176835-A1 · Jun 23, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J27/188?
- CPC B01J27/188 is the Cooperative Patent Classification code for “with chromium, molybdenum, tungsten or polonium.”
- How many patents are filed under CPC B01J27/188 (with chromium, molybdenum, tungsten or polonium)?
- Our database includes 233 publications tagged with this CPC code.
- Is patent activity under CPC B01J27/188 growing?
- Publication counts under this code: 8 in 2024 vs 19 in 2025 (latest complete years).