Systems and methods for carrying out a metathesis reaction
US-2025100954-A1 · Mar 27, 2025 · US
Side stream
Side stream · 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 | B01D3/4261 |
| Official title | {Side stream} |
| Display label | Side stream |
| Total patents | 26 |
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 | 1 |
| 2016 | 2 |
| 2018 | 6 |
| 2019 | 6 |
| 2020 | 6 |
| 2021 | 1 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Purification process of organic solvent
US-2025034067-A1 · Jan 30, 2025 · US
Method for industrially producing cyclic alkylene carbonate
US-2024199567-A1 · Jun 20, 2024 · US
Method for producing a stream of propylene and associated facility
US-11401221-B2 · Aug 2, 2022 · US
Method for producing a stream of propylene and associated facility
US-2021198166-A1 · Jul 1, 2021 · US
Purification of mercaptans or thiophenes using dividing wall column distillation
US-10807949-B2 · Oct 20, 2020 · US
Folded fractionation column and process
US-10792585-B2 · Oct 6, 2020 · US
Dividing wall column with vapor separation
US-10688408-B2 · Jun 23, 2020 · US
Process for producing acetic acid
US-10661196-B2 · May 26, 2020 · US
Distillation method
US-10556191-B2 · Feb 11, 2020 · US
Dividing wall column with vapor separation
US-2020030714-A1 · Jan 30, 2020 · US
Folded fractionation column and process
US-2019299118-A1 · Oct 3, 2019 · US
Purification of mercaptans or thiophenes using dividing wall column distillation
US-2019282920-A1 · Sep 19, 2019 · US
Process for producing acetic acid
US-2019151769-A1 · May 23, 2019 · US
Purifying method, production method, and distillation apparatus for acrylonitrile
US-10294197-B2 · May 21, 2019 · US
Process for producing acetic acid
US-10265639-B2 · Apr 23, 2019 · US
Purifying method, production method, and distillation apparatus for acrylonitrile
US-2019047945-A1 · Feb 14, 2019 · US
Liquid collection system
US-10046251-B2 · Aug 14, 2018 · US
Distillation device
US-2018178141-A1 · Jun 28, 2018 · US
Column for thermal treatment of a fluid
US-9958201-B2 · May 1, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D3/4261?
- CPC B01D3/4261 is the Cooperative Patent Classification code for “Side stream.”
- How many patents are filed under CPC B01D3/4261 (Side stream)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC B01D3/4261 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).