Selective catalytic dehydrochlorination of hydrochlorofluorocarbons
US-10493443-B2 · Dec 3, 2019 · US
Operations & Transport
Operations & Transport · 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 | B01J27/12 |
| Official title | — |
| Display label | Operations & Transport (mapped technology topic) |
| Total patents | 198 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 8 |
| 2017 | 14 |
| 2018 | 23 |
| 2019 | 28 |
| 2020 | 27 |
| 2021 | 19 |
| 2022 | 17 |
| 2023 | 15 |
| 2024 | 15 |
| 2025 | 18 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Catalytic isomerization of Z-1,1,1,4,4,4-hexafluoro-2-butene to E-1,1,1,4,4,4-hexafluoro-2-butene
US-10479745-B2 · Nov 19, 2019 · US
Process for preparing electron deficient olefins
US-2019292142-A1 · Sep 26, 2019 · US
Method of forming a self-cleaning film system
US-2018334742-A1 · Nov 22, 2018 · US
Process for producing 2,3,3,3-tetrafluoropropene
US-10131597-B2 · Nov 20, 2018 · US
Methods for regenerating sulfur-contaminated aromatization catalysts
US-10118167-B2 · Nov 6, 2018 · US
Branched alcohol-based sugar surfactants
US-2018305389-A1 · Oct 25, 2018 · US
Method for manufacturing fluorinated hydrocarbon
US-10093599-B2 · Oct 9, 2018 · US
Process for producing 2,3,3,3-tetrafluoropropene
US-10087127-B2 · Oct 2, 2018 · US
Process for making tetrachloropropene by catalyzed gas-phase dehydrochlorination of pentachloropropane
US-2018265435-A1 · Sep 20, 2018 · US
Process for modifying isocyanates with use of cyclic ammonium salts as catalyst
US-2018244826-A1 · Aug 30, 2018 · US
Method for producing core shell nanoparticles
US-2018230611-A1 · Aug 16, 2018 · US
Catalytic isomerization of z-1,1,1,4,4,4-hexafluoro-2-butene to e-1,1,1,4,4,4-hexafluoro-2-butene
US-2018215690-A1 · Aug 2, 2018 · US
Method for manufacturing fluorinated hydrocarbon
US-2018215688-A1 · Aug 2, 2018 · US
Chromium oxyfluoride catalysts having high fluorination activity
US-2018214855-A1 · Aug 2, 2018 · US
Process for Reducing the Light Oligomer Content of Polypropylene Oils
US-2018194879-A1 · Jul 12, 2018 · US
Ethylene removal agent
US-10004243-B2 · Jun 26, 2018 · US
Methods of Preparing an Aromatization Catalyst
US-2018170837-A1 · Jun 21, 2018 · US
Aromatization Catalyst Preparation with Alkali Metal Present During a Washing Step
US-2018169638-A1 · Jun 21, 2018 · US
Methods for Regenerating Sulfur-Contaminated Aromatization Catalysts
US-2018169640-A1 · Jun 21, 2018 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J27/12?
- CPC B01J27/12 is the Cooperative Patent Classification code for “Operations & Transport.”
- How many patents are filed under CPC B01J27/12 (Operations & Transport)?
- Our database includes 198 publications tagged with this CPC code.
- Is patent activity under CPC B01J27/12 growing?
- Publication counts under this code: 15 in 2024 vs 18 in 2025 (latest complete years).