B01J 31/188
Amide derivatives thereof
Official title: {Amide derivatives thereof}
B01J31/188 (Amide derivatives thereof) appears on 126 US grants and 128 published applications in this corpus.
Search patents in B01J- Granted patents
- 126
- Published applications
- 128
- Assignees
- 59
- Inventors
- 328
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 2 |
| 2005 | 3 | 4 |
| 2006 | 3 | 7 |
| 2007 | 3 | 6 |
| 2008 | 4 | 6 |
| 2009 | 1 | 4 |
| 2010 | 2 | 3 |
| 2011 | 6 | 4 |
| 2012 | 5 | 4 |
| 2013 | 1 | 0 |
| 2014 | 4 | 8 |
| 2015 | 4 | 6 |
| 2016 | 10 | 12 |
| 2017 | 8 | 7 |
| 2018 | 6 | 12 |
| 2019 | 13 | 6 |
| 2020 | 7 | 6 |
| 2021 | 6 | 4 |
| 2022 | 7 | 4 |
| 2023 | 5 | 7 |
| 2024 | 5 | 6 |
| 2025 | 4 | 6 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cyclopentadienyl/adamantyl phosphinimine zirconium and hafnium complexes2 Dec 2025US 12,486,342 B2NOVA Chemicals (International) S.A.
- Sterically hindered phosphino-urea supported nickel (II) or palladium (II) catalysts for the copolymerization of ethylene and polar comonomers3 Jun 2025US 12,319,758 B2Dow Global Technologies LLC
- Sterically hindered phosphine-amide supported nickel (II) or palladium (II) catalysts for the copolymerization of ethylene and polar comonomers3 Jun 2025US 12,319,775 B2Dow Global Technologies LLC
- Organometallic complex, olefin polymerization catalyst system and polymerization process15 Apr 2025US 12,275,751 B2NOVA Chemicals (International) S.A.
- Selective 1-hexene/1-octene production with 1-decene26 Nov 2024US 12,151,993 B2Chevron Phillips Chemical Company LP
- Ligand Compound, Organic Chromium Compound, and Catalyst Compositions Containing the Same3 Sep 2026US 2026/0257213 A1LG Chem.Ltd.
- Catalyst composition for olefin oligomerization5 Mar 2026US 2026/0061408 A1Industrial Technology Research Institute
- Ligand Compound, Organic Chromium Compound, and Catalyst Compositions Containing the Same18 Dec 2025US 2025/0381558 A1LG Chem.Ltd.
- Ligand Compound, Organic Chromium Compound, and Catalyst Composition Including the Same30 Oct 2025US 2025/0333427 A1LG Chem.Ltd.
- Organometallic complex, olefin polymerization catalyst system and polymerization process14 Aug 2025US 2025/0257084 A1NOVA Chemicals (International) S.A.
Most cited
By later US patents
- Olefin trimerisation using a catalyst comprising a source of chromium, molybdenum or tungsten and a ligand containing at least one phosphorous, arsenic or antimony atom bound to at least one (hetero)hydrocarbyl group65US 6,800,702 B2BP Chemicals Limited · 2004
- Oligomerisation of olefinic compounds in an aliphatic medium50US 7,964,763 B2Sasol Technology (Pty) Ltd · 2011
- Trimerization43US 8,252,955 B2NOVA Chemicals (International) S.A. · 2012
- Phosphinyl amidine compounds, metal complexes, catalyst systems, and their use to oligomerize or polymerize olefins42US 8,680,003 B2Chevron Phillips Chemical Company LP · 2014
- Amino phosphine39US 7,994,363 B2NOVA Chemicals (International) S.A. · 2011