B01J 2231/348
1,4-additions
Official title: 1,4-additions, e.g. conjugate additions
B01J2231/348 (1,4-additions) appears on 67 US grants and 65 published applications in this corpus.
Search patents in B01J- Granted patents
- 67
- Published applications
- 65
- Assignees
- 50
- Inventors
- 165
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 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 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 2 |
| 2002 | 8 | 4 |
| 2003 | 4 | 5 |
| 2004 | 4 | 10 |
| 2005 | 5 | 4 |
| 2006 | 3 | 3 |
| 2007 | 2 | 5 |
| 2008 | 2 | 0 |
| 2009 | 1 | 4 |
| 2010 | 2 | 0 |
| 2011 | 2 | 2 |
| 2012 | 4 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 2 |
| 2020 | 1 | 1 |
| 2021 | 1 | 4 |
| 2022 | 2 | 3 |
| 2023 | 3 | 4 |
| 2024 | 4 | 7 |
| 2025 | 0 | 0 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Intermediates for making derivatives of substituted morpholines18 Aug 2026US 12,709,602 B2Supernus Pharmaceuticals, Inc.
- Access to chiral bisphenol (BPOL) ligands through desymmetrizing asymmetric ortho-selective mono-halogenation26 May 2026US 12,637,403 B2The Chinese University of Hong Kong
- Air-stable ni(0)-olefin complexes and their use as catalysts or precatalysts24 Feb 2026US 12,558,677 B2Studiengesellschaft Kohle mbH
- Diphenylamine-linked chiral bis(oxazoline) ligand without C2-symmetry, synthesis method and application thereof10 Feb 2026US 12,545,651 B2Zhejiang University of Technology
- Manganese based complexes and uses thereof for homogeneous catalysis19 Nov 2024US 12,145,139 B2Yeda Research and Development Co. Ltd.
- Process of making derivatives of substituted morpholines19 Mar 2026US 2026/0078098 A1Supernus Pharmaceuticals, Inc.
- Synthetic method and catalyst of 3-(3-oxo-2-pentyl)cyclopentyl dimethyl malonate12 Dec 2024US 2024/0409490 A1Ningxia Xinhua Chemical Co., Ltd.
- Decarboxylative conjugate additions and applications thereof29 Aug 2024US 2024/0287129 A1The Trustees of Princeton University
- Perfluorinated amide salts and their uses as ionic conducting materials1 Aug 2024US 2024/0253023 A1
- Method of selective paradichlorobenzene preparation with improved catalytic system recovery23 May 2024US 2024/0166584 A1PCC Rokita Spolka Akcyjna
Most cited
By later US patents
- Perfluorinated amide salts and their uses as ionic conducting materials61US 6,319,428 B1Centre National De La Recherche Scientifique · 2001
- Main-group metal-based asymmetric catalysts and applications thereof35US 6,844,448 B2President and Fellows of Harvard College · 2005
- Proton conductors in liquid form34US 6,120,696 ACentre National De La Recherche Scientifique · 2000
- Pentacyclic anion salts or tetrazapentalene derivatives and their uses as ionic conducting materials24US 6,835,495 B2Centre National De La Recherche Scientifique · 2004
- Heterocyclic aromatic anion salts, and their uses as ionic conducting materials22US 6,171,522 B2Centre National De La Recherche Scientifique · 2001