Pyrolysis of methane with a molten salt based catalyst system
US-2021363013-A1 · Nov 25, 2021 · US
of copper
of 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 | B01J27/122 |
| Official title | of copper |
| Display label | of copper |
| Total patents | 81 |
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 | 7 |
| 2016 | 9 |
| 2017 | 3 |
| 2018 | 12 |
| 2019 | 10 |
| 2020 | 9 |
| 2021 | 14 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 10 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Synthesis of branched alkyl alcohols by cu(i)-catalyzed c-c coupling between alkyl grignard reagents and alkyl tosylates
US-2021300855-A1 · Sep 30, 2021 · US
Electrochemical hydroxide systems and methods using metal oxidation
US-2021292920-A1 · Sep 23, 2021 · US
Ethylene sensor
US-2021255159-A1 · Aug 19, 2021 · US
Method for preparing alkynyl pyridine prolyl hydroxylase inhibitor
US-2021206720-A1 · Jul 8, 2021 · US
Methods of making acrylic acid from lactic acid or its derivatives in liquid phase
US-11034641-B2 · Jun 15, 2021 · US
Photocatalyst, gas sensor device and gas sensor
US-2021086169-A1 · Mar 25, 2021 · US
Redox Dehydration Coupling Catalysts and Methods Related Thereto
US-2021053044-A1 · Feb 25, 2021 · US
Process for producing chromenes by catalysis with copper salts intended for the preparation of thermosetting resins
US-2021024535-A1 · Jan 28, 2021 · US
Catalysts for making acrylic acid from lactic acid or its derivatives in liquid phase
US-10882034-B2 · Jan 5, 2021 · US
Methods Of Making Acrylic Acid From Lactic Acid Or Its Derivatives In Liquid Phase
US-2020299220-A1 · Sep 24, 2020 · US
Processes for producing trifluoroiodomethane using trifluoroacetic acid
US-2020283358-A1 · Sep 10, 2020 · US
Methods of making acrylic acid from lactic acid or its derivatives in liquid phase
US-10717696-B2 · Jul 21, 2020 · US
Catalysts and integrated processes for producing trifluoroiodomethane
US-2020199049-A1 · Jun 25, 2020 · US
Method of sweetening hydrocarbon gas from hydrogen sulfide
US-2020197865-A1 · Jun 25, 2020 · US
Catalysts and integrated processes for producing trifluoroiodomethane
US-10683247-B1 · Jun 16, 2020 · US
Method for treating sludge
US-2020102239-A1 · Apr 2, 2020 · US
Method for preparing oxazolidinone intermediate
US-10590154-B2 · Mar 17, 2020 · US
O-aminoheteroaryl alkynyl-containing compound, preparation method therefor, and use thereof
US-2020055838-A1 · Feb 20, 2020 · US
Process for the production of higher carboxylic acid vinyl esters
US-2019330136-A1 · Oct 31, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J27/122?
- CPC B01J27/122 is the Cooperative Patent Classification code for “of copper.”
- How many patents are filed under CPC B01J27/122 (of copper)?
- Our database includes 81 publications tagged with this CPC code.
- Is patent activity under CPC B01J27/122 growing?
- Publication counts under this code: 10 in 2024 vs 1 in 2025 (latest complete years).