C08F 4/61912
In combination with an organoaluminium compound
Official title: {in combination with an organoaluminium compound}
C08F4/61912 (In combination with an organoaluminium compound) appears on 300 US grants and 40 published applications in this corpus.
Search patents in C08F- Granted patents
- 300
- Published applications
- 40
- Assignees
- 91
- Inventors
- 464
- Latest grant
- 11 Nov 2025
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 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 12 | 0 |
| 1996 | 25 | 0 |
| 1997 | 33 | 0 |
| 1998 | 41 | 0 |
| 1999 | 35 | 0 |
| 2000 | 40 | 0 |
| 2001 | 32 | 3 |
| 2002 | 27 | 2 |
| 2003 | 10 | 10 |
| 2004 | 4 | 1 |
| 2005 | 4 | 5 |
| 2006 | 4 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 3 |
| 2010 | 4 | 2 |
| 2011 | 2 | 3 |
| 2012 | 1 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 2 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Polymerization of ethylene in solution processes using a Ziegler-Natta catalyst and a hydrogenation procatalyst11 Nov 2025US 12,466,901 B2Dow Global Technologies LLC
- Method for manufacturing copolymer26 Nov 2024US 12,152,096 B2Bridgestone Corporation
- Polybutadiene, production and use thereof21 Jun 2022US 11,365,270 B2Evonik Operations GmbH
- Amido-benzoquinone catalyst systems and processes thereof17 Aug 2021US 11,091,567 B2ExxonMobil Chemical Patents Inc.
- Polybutadiene, production and use thereof1 Dec 2020US 10,851,189 B2Evonik Operations GmbH
- Vessel system for pre activating a solid catalyst and method thereof16 Nov 2023US 2023/0364574 A1Basell Polyolefine GmbH
- Polymerization of ethylene in solution processes using a ziegler-natta catalyst and a hydrogenation procatalyst29 Sep 2022US 2022/0306772 A1Dow Global Technologies LLC
- Method for manufacturing copolymer14 Jul 2022US 2022/0220238 A1Bridgestone Corporation
- Polybutadiene, production and use thereof28 Jan 2021US 2021/0024666 A1Evonik Operations GmbH
- Amido-Benzoquinone Catalyst Systems and Processes Thereof15 Oct 2020US 2020/0325254 A1ExxonMobil Chemical Patents Inc.
Most cited
By later US patents
- Highly soluble olefin polymerization catalyst activator455US 5,919,983 AThe Dow Chemical Company · 1999
- Silicon-bridged transition metal compounds390US 5,017,714 AExxon Chemical Patents Inc. · 1991
- New polymerization catalyst328US 4,752,597 AExxon Chemical Patents Inc. · 1988
- Silicon-bridged transition metal compounds192US 5,120,867 A1992
- Thermoplastic elastomeric olefin polymers, method of production and catalysts therefor175US 5,594,080 ALeland Stanford, Jr. University · 1997