B01D 3/4261
Side stream
Official title: {Side stream}
B01D3/4261 (Side stream) appears on 25 US grants and 23 published applications in this corpus.
Search patents in B01D- Granted patents
- 25
- Published applications
- 23
- Assignees
- 20
- Inventors
- 77
- Latest grant
- 2 Aug 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 2 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 2 |
| 2014 | 0 | 2 |
| 2015 | 1 | 0 |
| 2016 | 1 | 2 |
| 2017 | 0 | 1 |
| 2018 | 3 | 3 |
| 2019 | 2 | 3 |
| 2020 | 4 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for producing a stream of propylene and associated facility2 Aug 2022US 11,401,221 B2Technip France
- Distillation apparatus for NMP18 May 2021US 11,007,454 B2Mitsubishi Chemical Engineering Corporation
- Folded fractionation column and process6 Oct 2020US 10,792,585 B2Uop LLC
- Dividing wall column with vapor separation23 Jun 2020US 10,688,408 B2Uop LLC
- Process for producing acetic acid26 May 2020US 10,661,196 B2Daicel Corporation
- Systems and methods for carrying out a metathesis reaction27 Mar 2025US 2025/0100954 A1Sabic Global Technologies B.V.
- Method for industrially producing cyclic alkylene carbonate20 Jun 2024US 2024/0199567 A1Asahi Kasei Kabushiki Kaisha
- Method for producing a stream of propylene and associated facility1 Jul 2021US 2021/0198166 A1Technip France
- Distillation apparatus for nmp21 May 2020US 2020/0155961 A1Mitsubishi Chemical Engineering Corporation
- Dividing wall column with vapor separation30 Jan 2020US 2020/0030714 A1Uop LLC
Most cited
By later US patents
- Device for continuous sampling, especially in a distillation column for topping crude petroleum18US 3,985,624 AInstitut Francais du Petrole, des Carburants et Lubrifiants et Entreprise de Recherches et d'Activities Petrolieres Elf · 1976
- Apparatus for distillation column side stream withdrawal10US 4,247,368 AShell Oil Company · 1981
- Method and apparatus for making acetic acid with improved light ends column productivity10US 8,173,076 B2Celanese International Corporation · 2012
- Continuous hydrogenation of unsaturated oils8US 4,871,485 A1989
- Liquid collection system6US 10,046,251 B2ExxonMobil Upstream Research Company · 2018