Hydrocracking process
US-2019375696-A1 · Dec 12, 2019 · US
Noble metals
Noble metals · 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 | B01J29/22 |
| Official title | Noble metals |
| Display label | Noble metals |
| Total patents | 149 |
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 | 9 |
| 2016 | 8 |
| 2017 | 10 |
| 2018 | 20 |
| 2019 | 14 |
| 2020 | 21 |
| 2021 | 18 |
| 2022 | 15 |
| 2023 | 16 |
| 2024 | 9 |
| 2025 | 6 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for preparing hydrocracking catalyst
US-2019321809-A1 · Oct 24, 2019 · US
Catalyst composition for isomerization of paraffins
US-10441944-B2 · Oct 15, 2019 · US
Process for preparing a molybdenum-platinum-based catalyst for the synthesis of benzene by transalkylation
US-2019308176-A1 · Oct 10, 2019 · US
Methods of heavy reformate conversion into aromatic compounds
US-2019284114-A1 · Sep 19, 2019 · US
Methods of producing composite zeolite catalysts for heavy reformate conversion into xylenes
US-2019284057-A1 · Sep 19, 2019 · US
Catalyst for synthesizing aromatic hydrocarbons and preparation method therefor
US-2019262811-A1 · Aug 29, 2019 · US
Catalyst composition, its preparation and process using such composition
US-10369554-B2 · Aug 6, 2019 · US
Process for preparing a catalyst
US-10343149-B2 · Jul 9, 2019 · US
Nh3 abatement with greater selectivity to n2
US-2019176128-A1 · Jun 13, 2019 · US
Production of amines utilizing zeolite catalysts
US-2019071389-A1 · Mar 7, 2019 · US
Fixed-bed alkyl-aromatic conversion process
US-10173204-B2 · Jan 8, 2019 · US
Process for forming a xylene-rich stream
US-10173205-B1 · Jan 8, 2019 · US
Catalyst composition, its preparation and process using such composition
US-2018369795-A1 · Dec 27, 2018 · US
Composite hierarchical zeolite catalyst for heavy reformate conversion to xylenes
US-2018361372-A1 · Dec 20, 2018 · US
Method for forming a zeolite catalyst and use thereof to form a BTX-rich stream
US-10150106-B1 · Dec 11, 2018 · US
Catalyst compositions and use in heavy aromatics conversion processes
US-10118165-B2 · Nov 6, 2018 · US
PASSIVE NOx ADSORBER
US-2018304244-A1 · Oct 25, 2018 · US
Process for Preparing a Molecular Sieve
US-2018265369-A1 · Sep 20, 2018 · US
Fixed-bed alkyl-aromatic conversion process
US-2018257064-A1 · Sep 13, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J29/22?
- CPC B01J29/22 is the Cooperative Patent Classification code for “Noble metals.”
- How many patents are filed under CPC B01J29/22 (Noble metals)?
- Our database includes 149 publications tagged with this CPC code.
- Is patent activity under CPC B01J29/22 growing?
- Publication counts under this code: 9 in 2024 vs 6 in 2025 (latest complete years).