B01J 19/1881
Externally, i.e. the mixture leaving the vessel and subsequently re-entering it
Official title: {externally, i.e. the mixture leaving the vessel and subsequently re-entering it}
B01J19/1881 (Externally, i.e. the mixture leaving the vessel and subsequently re-entering it) appears on 196 US grants and 125 published applications in this corpus.
Search patents in B01J- Granted patents
- 196
- Published applications
- 125
- Assignees
- 141
- Inventors
- 513
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 9 | 4 |
| 2002 | 7 | 7 |
| 2003 | 4 | 5 |
| 2004 | 5 | 4 |
| 2005 | 4 | 5 |
| 2006 | 7 | 2 |
| 2007 | 2 | 9 |
| 2008 | 5 | 7 |
| 2009 | 4 | 5 |
| 2010 | 9 | 5 |
| 2011 | 4 | 5 |
| 2012 | 2 | 3 |
| 2013 | 2 | 4 |
| 2014 | 2 | 6 |
| 2015 | 7 | 3 |
| 2016 | 4 | 8 |
| 2017 | 2 | 3 |
| 2018 | 7 | 11 |
| 2019 | 6 | 5 |
| 2020 | 10 | 5 |
| 2021 | 7 | 5 |
| 2022 | 1 | 4 |
| 2023 | 5 | 3 |
| 2024 | 4 | 4 |
| 2025 | 0 | 2 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for polymerizing molecular-weight controlled polymer8 Sep 2026US 12,729,255 B2Korea Research Institute of Chemical Technology
- Recycling system4 Aug 2026US 12,698,223 B2BYD Company Limited
- Hydrogen production system7 Apr 2026US 12,595,170 B2Mitsubishi Heavy Industries, Ltd.
- Use of molten salt to separate carbon from a molten metal catalyst17 Dec 2024US 12,168,606 B2Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
- System and method for preparing ultrafine silica by leaching silicate ore using hydrogen chloride gas18 Jun 2024US 12,011,702 B2Yuanchu Technology (Beijing) Co., Ltd.
- Process to produce a melt of urea and biuret and system to produce such a melt2 Jul 2026US 2026/0184674 A1Yara International Asa
- Preparation equipment and process for nylon salt solution20 Nov 2025US 2025/0352965 A1Zhejiang Nhu Company Ltd.
- Improved co2 to co conversion method and system30 Oct 2025US 2025/0333313 A1
- Process and system for preparing ferric phosphate by mixing and stirring in reactor with external circulation4 Jul 2024US 2024/0217822 A1Shenzhen Batian Ecotypic Engineering Co.,Ltd.
- Apparatus for polymerizing or devolatilizing a composition and method using the same22 Feb 2024US 2024/0058783 A1Avery Dennison Corporation
Most cited
By later US patents
- Method for producing polylactic acid88US 5,770,682 AShimadzu Corporation · 1998
- Polyester process using a pipe reactor76US 6,861,494 B2Eastman Chemical Company · 2005
- Process for preparing polybutenes having enhanced reactivity using boron trifluoride catalysts (PT-647)69US 4,849,572 AExxon Chemical Patents Inc. · 1989
- Method for preparation of droplets67US 4,680,320 AKanegafuchi Kagaku Kogyo Kabushiki Kaisha · 1987
- Semicontinuous process for the manufacture of pure silicon54US 4,312,850 AHelictronic Forschungs- und Entwicklungs- Gesellschaft fur Solarzellen-Grundstoffe mbH · 1982