Methods for improving production in gas phase polymerization
US-12152095-B2 · Nov 26, 2024 · US
externally, i.e. the mixture leaving the vessel and subsequently re-entering it
externally, i.e. the mixture leaving the vessel and subsequently re-entering it · 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 | B01J19/2465 |
| Official title | {externally, i.e. the mixture leaving the vessel and subsequently re-entering it} |
| Display label | externally, i.e. the mixture leaving the vessel and subsequently re-entering it |
| Total patents | 281 |
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 | 20 |
| 2018 | 17 |
| 2019 | 16 |
| 2020 | 22 |
| 2021 | 33 |
| 2022 | 51 |
| 2023 | 35 |
| 2024 | 34 |
| 2025 | 27 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and methods for closed-loop recycling of a liquid component of a leaching mixture when recycling lead from spent lead-acid batteries
US-10403940-B2 · Sep 3, 2019 · US
Absorbent polymers, and methods and systems of producing thereof and uses thereof
US-2019255512-A1 · Aug 22, 2019 · US
Reactor for use with an ionic liquid catalyst
US-10159953-B2 · Dec 25, 2018 · US
Process for the preparation of glycols
US-2018362424-A1 · Dec 20, 2018 · US
Process for producing nitrobenzene
US-2018346405-A1 · Dec 6, 2018 · US
Esterification unit for producing crude methyl methacrylate, esterification process using said unit and plant comprising said unit
US-10131614-B2 · Nov 20, 2018 · US
Hydrogen Sulfide Production Process and Related Reactor Vessels
US-2018319663-A1 · Nov 8, 2018 · US
Systems and methods for purifying and recycling lead from spent lead-acid batteries
US-10122052-B2 · Nov 6, 2018 · US
Method for producing ketone and/or alcohol, and system thereof
US-10099985-B2 · Oct 16, 2018 · US
System and process for cumene hydroperoxide cleavage with improved online instrumentation configuration
US-10065171-B2 · Sep 4, 2018 · US
Hydrogen sulfide production process and related reactor vessels
US-10040684-B2 · Aug 7, 2018 · US
Process for producing nitrobenzene
US-10023524-B2 · Jul 17, 2018 · US
Method for heating a slurry system
US-10010938-B2 · Jul 3, 2018 · US
Process for the production of thermoplastic moulding compounds
US-2018178411-A1 · Jun 28, 2018 · US
Process for the oligomerization of olefins employing a cleaning device
US-2018179122-A1 · Jun 28, 2018 · US
Polymerization plant having parallel cooling channels in a recycle connection
US-2018171044-A1 · Jun 21, 2018 · US
Method and apparatus for the preparation of a polyolefin
US-2018086856-A1 · Mar 29, 2018 · US
Systems and methods for increasing reaction yield
US-2018043327-A1 · Feb 15, 2018 · US
Method for the epoxidation of an olefin with hydrogen peroxide
US-2018030010-A1 · Feb 1, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J19/2465?
- CPC B01J19/2465 is the Cooperative Patent Classification code for “externally, i.e. the mixture leaving the vessel and subsequently re-entering it.”
- How many patents are filed under CPC B01J19/2465 (externally, i.e. the mixture leaving the vessel and subsequently re-entering it)?
- Our database includes 281 publications tagged with this CPC code.
- Is patent activity under CPC B01J19/2465 growing?
- Publication counts under this code: 34 in 2024 vs 27 in 2025 (latest complete years).