B01J 2208/00247
Reflux columns
B01J2208/00247 (Reflux columns) appears on 35 US grants and 14 published applications in this corpus.
Search patents in B01J- Granted patents
- 35
- Published applications
- 14
- Assignees
- 24
- Inventors
- 91
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 4 | 1 |
| 2013 | 0 | 3 |
| 2014 | 1 | 1 |
| 2015 | 2 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Reactor for on-demand high pressure hydrogen2 Jun 2026US 12,643,788 B2Triad National Security, LLC
- Catalyst system for the preparation of an ester and processes employing this ester18 Aug 2015US 9,108,913 B2Emery Oleochemicals GmbH
- Production of higher alcohols28 Apr 2015US 9,018,427 B2Greenyug, LLC
- Reactor for propylene polymerization and process for producing propylene polymer27 May 2014US 8,735,513 B2Japan Polypropylene Corporation
- Contactor14 Aug 2012US 8,240,640 B2Jgc Corporation
- Reactor for on-demand high pressure hydrogen20 Oct 2022US 2022/0332574 A1Triad National Security, LLC
- Production of Higher Alcohols21 Aug 2014US 2014/0235901 A1Greenyug, LLC
- Process for producing polylactic acid and reactors for use in said process10 Oct 2013US 2013/0267675 A1Companhia Refinadora Da Amazonia
- Catalyst system for the preparation of an ester and processes employing this ester2 May 2013US 2013/0109763 A1Emery Oleochemicals GmbH
- Esters from solid polyols and unsaturated carboxylic acids7 Feb 2013US 2013/0035271 A1
Most cited
By later US patents
- Catalytic distillation process146US 4,232,177 AChemical Research & Licensing Company · 1980
- Process for separating isobutene from C.sub.4 streams110US 4,242,530 AChemical Research & Licensing Company · 1980
- Catalytic distillation process107US 4,307,254 AChemical Research & Licensing Company · 1981
- Catalyst system for separating isobutene from C.sub.4 streams101US 4,215,011 AChemical Research & Licensing Company · 1980
- Process for separating isobutene from C.sub.4 streams96US 4,302,356 AChemical Research & Licensing Company · 1981