C08F 4/63916
Supported on a carrier
Official title: {supported on a carrier, e.g. silica, MgCl2, polymer}
C08F4/63916 (Supported on a carrier) appears on 146 US grants and 38 published applications in this corpus.
Search patents in C08F- Granted patents
- 146
- Published applications
- 38
- Assignees
- 40
- Inventors
- 206
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 8 | 0 |
| 1995 | 5 | 0 |
| 1996 | 14 | 0 |
| 1997 | 15 | 0 |
| 1998 | 16 | 0 |
| 1999 | 5 | 0 |
| 2000 | 10 | 0 |
| 2001 | 10 | 2 |
| 2002 | 6 | 3 |
| 2003 | 11 | 5 |
| 2004 | 4 | 3 |
| 2005 | 2 | 1 |
| 2006 | 1 | 2 |
| 2007 | 3 | 2 |
| 2008 | 0 | 2 |
| 2009 | 3 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 3 |
| 2013 | 1 | 0 |
| 2014 | 2 | 2 |
| 2015 | 2 | 1 |
| 2016 | 1 | 2 |
| 2017 | 0 | 1 |
| 2018 | 1 | 3 |
| 2019 | 6 | 2 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for preparing supported metallocene catalyst, supported metallocene catalyst, and method for preparing polyolefin using the same23 Sep 2025US 12,421,328 B2LG Chem.Ltd.
- Method of making a polyolefin28 Nov 2023US 11,827,734 B1King Fahd University of Petroleum and Minerals
- Chromium (III) catalyst systems with activator-supports8 Dec 2020US 10,858,459 B2Chevron Phillips Chemical Company LP
- Chromium (III) catalyst systems with activator-supports26 May 2020US 10,662,266 B2Chevron Phillips Chemical Company LP
- Group 6 transition metal catalyst compound and use thereof31 Dec 2019US 10,519,261 B2ExxonMobil Chemical Patents Inc.
- Method for preparing supported metallocene catalyst, supported metallocene catalyst, and method for preparing polyolefin using the same13 Apr 2023US 2023/0110235 A1LG Chem.Ltd.
- Chromium (III) Catalyst Systems With Activator-Supports30 Jul 2020US 2020/0239605 A1Chevron Phillips Chemical Company LP
- Group 6 Transition Metal Catalyst Compound and Use Thereof22 Aug 2019US 2019/0256630 A1ExxonMobil Chemical Patents Inc.
- Chromium (III) Catalyst Systems With Activator-Supports23 May 2019US 2019/0153129 A1Chevron Phillips Chemical Company LP
- Catalyst system for olefin oligomerization and method for olefin oligomerization using the same10 May 2018US 2018/0127333 A1LG Chem.Ltd.
Most cited
By later US patents
- Propylene polymer, propylene copolymer, and propylene elastomer prepared using novel bridged indenyl containing metallocenes268US 5,504,172 AMitsui Petrochemical Industries, Ltd. · 1996
- Process for producing polyolefins and polyolefin catalysts199US 4,939,217 APhillips Petroleum Company · 1990
- Method for preparing a supported metallocene-alumoxane catalyst for gas phase polymerization196US 4,937,301 AExxon Chemical Patents Inc. · 1990
- Metallocenes containing aryl-substituted indenyl derivatives as ligands, process for their preparation, and their use as catalysts137US 5,770,753 ATargor GmbH · 1998
- Method for preparing a supported metallocene-alumoxane catalyst for gas phase polymerization126US 4,912,075 AExxon Chemical Patents Inc. · 1990