B01J 2219/00101
Reflux columns
B01J2219/00101 (Reflux columns) appears on 85 US grants and 38 published applications in this corpus.
Search patents in B01J- Granted patents
- 85
- Published applications
- 38
- Assignees
- 63
- Inventors
- 196
- Latest grant
- 16 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 3 |
| 2002 | 4 | 3 |
| 2003 | 4 | 0 |
| 2004 | 1 | 2 |
| 2005 | 3 | 2 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 2 | 4 |
| 2011 | 0 | 0 |
| 2012 | 2 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 0 |
| 2015 | 3 | 3 |
| 2016 | 1 | 0 |
| 2017 | 0 | 2 |
| 2018 | 3 | 2 |
| 2019 | 2 | 1 |
| 2020 | 1 | 1 |
| 2021 | 2 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 2 | 3 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Continuous photochemical production of high purity linear mercaptan and sulfide compositions16 Jul 2024US 12,037,310 B2Arkema Inc.
- System, method, and reaction apparatus used for continuous reaction process for preparation of trifluoroethane11 Jun 2024US 12,005,431 B2Beijing University of Chemical Technology
- Integrated stabilizer in deisobutanizer for isomerization of hydrocarbons and product separation19 Apr 2022US 11,306,047 B2Kellogg Brown & Root LLC
- Continuous photochemical production of high purity linear mercaptan and sulfide compositions2 Nov 2021US 11,161,810 B1Arkema Inc.
- Methods for preparation of CHA Zeolite at ambient pressure25 May 2021US 11,014,821 B2Zeolyfe, LLC
- Method and system for fully continuous-flow preparation of nitroimidazole antimicrobial agent9 Apr 2026US 2026/0098016 A1Fudan University
- Reactor apparatus, vinyl-based polymer manufacturing method, and method for producing vinyl-based polymer4 Apr 2024US 2024/0109982 A1Shin-Etsu Chemical Co., Ltd.
- Reactor apparatus, vinyl-based polymer manufacturing method, control apparatus, and agitation apparatus21 Mar 2024US 2024/0091734 A1Shin-Etsu Chemical Co., Ltd.
- System, method, and reaction apparatus used for continuous reaction process for preparation of trifluoroethane18 Jan 2024US 2024/0017231 A1Beijing University of Chemical Technology
- Continuous photochemical production of high purity linear mercaptan and sulfide compositions16 Dec 2021US 2021/0387947 A1Arkema Inc.
Most cited
By later US patents
- Apparatus for the continuous liquid-phase catalytic oxidation of alkyl-substituted aromatic compounds78US 4,243,636 AMitsui Petrochemical Industries, Ltd. · 1981
- Method for production of absorbent polymer54US 5,124,416 ANippon Shokubai Kagaku Kogyo Co., Ltd. · 1992
- Preparation of a dimethyltetralin in a distillation reactor50US 5,284,987 AAmoco Corporation · 1994
- Installation for the discontinuous production of polyethylene terephthalate45US 4,008,048 AAgfa-Gevaert · 1977
- Process and apparatus for producing aromatic dicarboxylic acids41US 4,327,226 AMatsuyama Petrochemicals Inc. · 1982