Process for producing lower olefins from oxygenates
US-12264118-B2 · Apr 1, 2025 · US
This page is not indexed by search engines while we improve data quality.
the edge of a lower bed projecting beyond the edge of the superjacent bed
the edge of a lower bed projecting beyond the edge of the superjacent bed · 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 | B01J8/30 |
| Official title | the edge of a lower bed projecting beyond the edge of the superjacent bed |
| Display label | the edge of a lower bed projecting beyond the edge of the superjacent bed |
| Total patents | 15 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 7 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 1 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Assemblies and methods for enhancing control of fluid catalytic cracking (FCC) processes using spectroscopic analyzers
US-11905468-B2 · Feb 20, 2024 · US
Assemblies and methods for enhancing control of fluid catalytic cracking (fcc) processes using spectroscopic analyzers
US-2023118319-A1 · Apr 20, 2023 · US
A Process For Producing Lower Olefins From Oxygenates
US-2023118436-A1 · Apr 20, 2023 · US
Process and apparatus for chemical looping redox combustion with control of the heat exchanges
US-10184657-B2 · Jan 22, 2019 · US
Upgrading hydrocarbons using stoichiometric or below stoichiometric air for catalyst regeneration
US-2018169602-A1 · Jun 21, 2018 · US
Process and apparatus for chemical looping redox combustion with control of the heat exchanges
US-2017321888-A1 · Nov 9, 2017 · US
Apparatus and process for heating catalyst from a reactor
US-9669373-B2 · Jun 6, 2017 · US
Process and apparatus for mixing two streams of catalyst
US-9375695-B2 · Jun 28, 2016 · US
Process for transferring catalyst and an apparatus relating thereto
US-9370758-B2 · Jun 21, 2016 · US
Apparatus and process for heating catalyst from a reactor
US-2016167004-A1 · Jun 16, 2016 · US
Apparatuses and methods for fluid catalytic cracking with limited particulate emissions
US-2016090538-A1 · Mar 31, 2016 · US
Catalyst regenerators and methods for regenerating catalysts
US-9283533-B1 · Mar 15, 2016 · US
Catalyst regenerators and methods for regenerating catalysts
US-2016059198-A1 · Mar 3, 2016 · US
Extended contact time riser
US-2016038899-A1 · Feb 11, 2016 · US