B01J 2231/349
1,2- or 1,4-additions in combination with further or prior reactions by the
Official title: 1,2- or 1,4-additions in combination with further or prior reactions by the same catalyst, i.e. tandem or domino reactions, e.g. hydrogenation or further addition reactions
B01J2231/349 (1,2- or 1,4-additions in combination with further or prior reactions by the) appears on 18 US grants and 27 published applications in this corpus.
Search patents in B01J- Granted patents
- 18
- Published applications
- 27
- Assignees
- 23
- Inventors
- 86
- Latest grant
- 8 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 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 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 2 |
| 2012 | 0 | 3 |
| 2013 | 2 | 0 |
| 2014 | 2 | 0 |
| 2015 | 1 | 2 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 2 |
| 2020 | 2 | 1 |
| 2021 | 1 | 2 |
| 2022 | 1 | 1 |
| 2023 | 1 | 3 |
| 2024 | 0 | 0 |
| 2025 | 1 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Process for preparing methyl isobutyl ketone and catalyst21US 3,953,517 AVeba-Chemie Aktiengesellschaft · 1976
- Catalytic polystep reactions19US 3,954,883 AMobil Oil Corporation · 1976
- Basic ionic liquids11US 8,609,572 B2The Queen's University of Belfast · 2013
- Metal-doped sulfonated ion exchange resin catalysts7US 6,977,314 B2Rohm and Haas Company · 2005
- Method for producing methyl isobutyl ketone6US 5,149,881 AMitsubishi Kasei Corporation · 1992