B01J 31/187
Amide derivatives thereof
Official title: {Amide derivatives thereof}
B01J31/187 (Amide derivatives thereof) appears on 39 US grants and 32 published applications in this corpus.
Search patents in B01J- Granted patents
- 39
- Published applications
- 32
- Assignees
- 29
- Inventors
- 137
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 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 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 2 | 2 |
| 2005 | 2 | 2 |
| 2006 | 1 | 3 |
| 2007 | 2 | 1 |
| 2008 | 1 | 1 |
| 2009 | 2 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 2 | 4 |
| 2016 | 0 | 0 |
| 2017 | 1 | 4 |
| 2018 | 1 | 2 |
| 2019 | 4 | 3 |
| 2020 | 3 | 3 |
| 2021 | 1 | 1 |
| 2022 | 3 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Ligands for production of 1-octene in chromium assisted ethylene oligomerization process14 Oct 2025US 12,440,830 B2Sabic Global Technologies B.V.
- Catalyst systems suitable for the tetramerization of ethylene and methods of using the same22 Jul 2025US 12,364,976 B2Saudi Arabian Oil Company
- Ligands for production of 1-octene in chromium assisted ethylene oligomerization process12 Mar 2024US 11,925,927 B2Sabic Global Technologies B.V.
- Synthesis and characterization of Ru alkylidene complexes10 Oct 2023US 11,779,912 B2California Institute of Technology
- Ligands for production of 1-octene in chromium assisted ethylene oligomerization process29 Nov 2022US 11,511,265 B2Sabic Global Technologies B.V.
- Chiral spirocyclic compounds and methods of preparation and use thereof17 Jul 2025US 2025/0229262 A1The Hong Kong University of Science and Technology
- Catalyst systems suitable for the tetramerization of ethylene and methods of using the same12 Sep 2024US 2024/0299921 A1Saudi Arabian Oil Company
- Ligands for Production of 1-Octene in Chromium Assisted Ethylene Oligomerization Process16 Feb 2023US 2023/0053092 A1Sabic Global Technologies B.V.
- Ligands for production of 1-octene in chromium assisted ethylene oligomerization process19 May 2022US 2022/0152602 A1Sabic Global Technologies B.V.
- Ligands for production of 1-octene in chromium assisted ethylene oligomerization process6 Jan 2022US 2022/0001369 A1Sabic Global Technologies B.V.
Most cited
By later US patents
- Tetramerization of olefins30US 7,511,183 B2Sasol Technology (Pty) Ltd · 2009
- Phosphinine compounds and metal complexes thereof25US 6,818,770 B2Oxeno Olefinchemie GmbH · 2004
- Ligands for pnicogen chelate complexes with a metal of subgroup VIII and use of the complexes as catalysts for hydroformylation, carbonylation, hydrocyanation or hydrogenation20US 7,173,138 B2BASF SE · 2007
- Metal-ligand complex catalyzed processes18US 5,874,640 AUnion Carbide Chemicals & Plastics Technology Corporation · 1999
- Method for oligomerizing an olefin14US 10,471,416 B2LG Chem.Ltd. · 2019