B01J 2231/20
Olefin oligomerisation or telomerisation
B01J2231/20 (Olefin oligomerisation or telomerisation) appears on 629 US grants and 559 published applications in this corpus.
Search patents in B01J- Granted patents
- 629
- Published applications
- 559
- Assignees
- 192
- Inventors
- 1,280
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 10 | 0 |
| 1978 | 8 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 13 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 7 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 11 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 10 | 0 |
| 1995 | 5 | 0 |
| 1996 | 11 | 0 |
| 1997 | 3 | 0 |
| 1998 | 15 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 5 |
| 2002 | 10 | 10 |
| 2003 | 8 | 13 |
| 2004 | 11 | 17 |
| 2005 | 8 | 20 |
| 2006 | 11 | 11 |
| 2007 | 14 | 19 |
| 2008 | 13 | 24 |
| 2009 | 8 | 12 |
| 2010 | 15 | 24 |
| 2011 | 18 | 28 |
| 2012 | 15 | 22 |
| 2013 | 17 | 22 |
| 2014 | 18 | 22 |
| 2015 | 21 | 26 |
| 2016 | 26 | 35 |
| 2017 | 32 | 39 |
| 2018 | 27 | 43 |
| 2019 | 47 | 35 |
| 2020 | 30 | 26 |
| 2021 | 28 | 13 |
| 2022 | 27 | 39 |
| 2023 | 22 | 13 |
| 2024 | 17 | 17 |
| 2025 | 10 | 18 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Catalyst composition for oligomerization reaction11 Aug 2026US 12,702,971 B2Sabic Global Technologies B.V.
- Method of activating metal-organic framework with dimethyl ether28 Jul 2026US 12,691,441 B2The Regents of the University of Michigan
- Alkyl aluminum catalyst deactivation with water and solids removal via filtration24 Mar 2026US 12,583,806 B2Chevron Phillips Chemical Company LP
- Air-stable ni(0)-olefin complexes and their use as catalysts or precatalysts24 Feb 2026US 12,558,677 B2Studiengesellschaft Kohle mbH
- Sustainable aviation fuel from normal alpha olefin byproducts and process for same3 Feb 2026US 12,540,287 B2Chevron Phillips Chemical Company LP
- Selective olefin oligomerization with transition metal amine bis(phenolate) catalysts8 Oct 2026US 2026/0308083 A1Chevron Phillips Chemical Company LP
- Bulky and small-steric-hindrance ligand and use thereof17 Sep 2026US 2026/0273518 A1Dg Hc Optical Co., Ltd
- Ligand Compound, Organic Chromium Compound, and Catalyst Compositions Containing the Same3 Sep 2026US 2026/0257213 A1LG Chem.Ltd.
- Ethylene oligomerization method with reduced polymer generation and improved productivity6 Aug 2026US 2026/0225976 A1
- Sustainable aviation fuel from normal alpha olefin byproducts and process for same16 Apr 2026US 2026/0103649 A1Chevron Phillips Chemical Company LP
Most cited
By later US patents
- Ethylene trimerization100US 5,811,618 AAmoco Corporation · 1998
- Olefin production93US 5,856,257 APhillips Petroleum Company · 1999
- Chromium compounds and uses thereof80US 5,198,563 APhillips Petroleum Company · 1993
- Catalytic composition and process for oligomerising ethylene in particular to 1-butene and/or 1-hexene77US 6,031,145 AInstitut Francais du Petrole · 2000
- Process for the conversion of ethylene into but-1-ene using additives based on polymethylene glycols and derivatives thereof69US 5,792,895 AInstitut Francais du Petrole · 1998