Process for preparing amino compounds from nitrile compounds
US-10519096-B2 · Dec 31, 2019 · US
Nickel and chromium
Nickel and chromium · 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 | B01J23/866 |
| Official title | {Nickel and chromium} |
| Display label | Nickel and chromium |
| Total patents | 114 |
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 | 6 |
| 2016 | 15 |
| 2017 | 12 |
| 2018 | 17 |
| 2019 | 10 |
| 2020 | 8 |
| 2021 | 15 |
| 2022 | 7 |
| 2023 | 6 |
| 2024 | 14 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for the preparation of 1,1,2,2-pentafluoropropane
US-2019330130-A1 · Oct 31, 2019 · US
Catalytic metal fiber felt and articles made therefrom
US-2019329234-A1 · Oct 31, 2019 · US
Process for the manufacture of 2-chloro-3,3,3-trifluoropropene by gas phase fluorination of pentachloropropane
US-10414704-B2 · Sep 17, 2019 · US
Catalyst composition for conversion of alkanes to alkenes and method of preparation thereof
US-2019262821-A1 · Aug 29, 2019 · US
Process and catalyst for preparing 1,4-butanediol
US-2019232256-A1 · Aug 1, 2019 · US
Catalyst and process using the catalyst for manufacturing fluorinated hydrocarbons
US-2019217276-A1 · Jul 18, 2019 · US
Mixed metal oxide catalysts and methods for olefin production in an oxidative dehydrogenation reaction process
US-10343148-B2 · Jul 9, 2019 · US
Hydrogen gas production method, and steel production method
US-2019202692-A1 · Jul 4, 2019 · US
Process for the preparation of 2,3,3,3-tetrafluoropropene
US-10329227-B2 · Jun 25, 2019 · US
Process For Preparing Amino Compounds From Nitrile Compounds
US-2018339959-A1 · Nov 29, 2018 · US
Process for the preparation of 2,3,3,3-tetrafluoropropene
US-2018327341-A1 · Nov 15, 2018 · US
Catalyst for oxidative dehydrogenation and method of preparing the same
US-2018290126-A1 · Oct 11, 2018 · US
Process for making tetrachloropropene by catalyzed gas-phase dehydrochlorination of pentachloropropane
US-2018265435-A1 · Sep 20, 2018 · US
Method for producing hydride using unsaturated compound having carbon number of 4 as raw material
US-10065938-B2 · Sep 4, 2018 · US
Catalytic gas phase fluorination
US-10059646-B1 · Aug 28, 2018 · US
Process for the preparation of 2,3,3,3-tetrafluoropropene
US-10053404-B2 · Aug 21, 2018 · US
Catalytic gas phase fluorination
US-2018230074-A1 · Aug 16, 2018 · US
Piston with advanced catalytic energy release
US-10018146-B2 · Jul 10, 2018 · US
Catalytic gas phase fluorination
US-10011544-B2 · Jul 3, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J23/866?
- CPC B01J23/866 is the Cooperative Patent Classification code for “Nickel and chromium.”
- How many patents are filed under CPC B01J23/866 (Nickel and chromium)?
- Our database includes 114 publications tagged with this CPC code.
- Is patent activity under CPC B01J23/866 growing?
- Publication counts under this code: 14 in 2024 vs 4 in 2025 (latest complete years).