Multimetal zeolites based catalyst for transalkylation of heavy reformate to produce xylenes and petrochemical feedstocks
US-9221037-B2 · Dec 29, 2015 · US
Iron group metals or copper
Iron group metals or copper · 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 | B01J29/072 |
| Official title | Iron group metals or copper |
| Display label | Iron group metals or copper |
| Total patents | 544 |
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 | 63 |
| 2016 | 49 |
| 2017 | 70 |
| 2018 | 69 |
| 2019 | 52 |
| 2020 | 62 |
| 2021 | 48 |
| 2022 | 42 |
| 2023 | 36 |
| 2024 | 36 |
| 2025 | 14 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydroprocessing catalyst composition and process thereof
US-2015367332-A1 · Dec 24, 2015 · US
Transition metal-containing aluminosilicate zeolite
US-2015360212-A1 · Dec 17, 2015 · US
Non-pgm ammonia slip catalyst
US-2015352492-A1 · Dec 10, 2015 · US
Catalyst for glycerin dehydration, preparation method thereof, and preparation method of acrolein
US-2015343430-A1 · Dec 3, 2015 · US
Method for producing bio-aromatics from glycerol
US-2015336856-A1 · Nov 26, 2015 · US
Catalyst and method for preparation thereof
US-2015336088-A1 · Nov 26, 2015 · US
Novel oxidation catalyst, the process for the preparation thereof and green process for selective aerobic oxidation
US-2015336090-A1 · Nov 26, 2015 · US
Catalyst for conversion of hydrocarbons, process of making and process of using thereof
US-9192925-B2 · Nov 24, 2015 · US
Ammonia slip catalyst having platinum impregnated on high porosity substrates
US-2015321184-A1 · Nov 12, 2015 · US
Catalyst Assembly For Treating Engine Exhaust
US-2015321181-A1 · Nov 12, 2015 · US
High-selectivity catalyst for production of high-quality gasoline fractions from syngas and its preparation method
US-9168515-B2 · Oct 27, 2015 · US
Copper CHA zeolite catalysts
US-9162218-B2 · Oct 20, 2015 · US
Method for producing metal nanoparticle complex, and metal nanoparticle complex produced by said method
US-2015290635-A1 · Oct 15, 2015 · US
Exhaust gas purifier
US-9145805-B2 · Sep 29, 2015 · US
Remote transactional memory
US-2015269116-A1 · Sep 24, 2015 · US
Catalyst for treating exhaust gas
US-2015265969-A1 · Sep 24, 2015 · US
Highly hydrothermal-resistant SCR catalyst and manufacturing method therefor
US-9138685-B2 · Sep 22, 2015 · US
Exhaust gas purifying catalyst
US-2015258537-A1 · Sep 17, 2015 · US
Column contact apparatus and method for operating the same
US-9132392-B2 · Sep 15, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J29/072?
- CPC B01J29/072 is the Cooperative Patent Classification code for “Iron group metals or copper.”
- How many patents are filed under CPC B01J29/072 (Iron group metals or copper)?
- Our database includes 544 publications tagged with this CPC code.
- Is patent activity under CPC B01J29/072 growing?
- Publication counts under this code: 36 in 2024 vs 14 in 2025 (latest complete years).