C08F 4/61916
Supported on a carrier
Official title: {supported on a carrier, e.g. silica, MgCl2, polymer}
C08F4/61916 (Supported on a carrier) appears on 155 US grants and 24 published applications in this corpus.
Search patents in C08F- Granted patents
- 155
- Published applications
- 24
- Assignees
- 48
- Inventors
- 240
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 7 | 0 |
| 1996 | 18 | 0 |
| 1997 | 23 | 0 |
| 1998 | 18 | 0 |
| 1999 | 16 | 0 |
| 2000 | 23 | 0 |
| 2001 | 11 | 3 |
| 2002 | 12 | 2 |
| 2003 | 4 | 5 |
| 2004 | 4 | 0 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 3 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 2 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 2 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization6 Jan 2026US 12,516,137 B2Chevron Phillips Chemical Company LP
- High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization3 Jun 2025US 12,319,770 B2Chevron Phillips Chemical Company LP
- High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization19 Nov 2024US 12,146,018 B2Chevron Phillips Chemical Company LP
- High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization27 Feb 2024US 11,912,809 B2Chevron Phillips Chemical Company LP
- Process for the obtainment of a polyolefin composition22 Aug 2017US 9,738,778 B2Basell Polyolefine GmbH
- High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization30 Jul 2026US 2026/0217873 A1Chevron Phillips Chemical Company LP
- High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization14 Aug 2025US 2025/0257155 A1Chevron Phillips Chemical Company LP
- High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization6 Feb 2025US 2025/0043037 A1Chevron Phillips Chemical Company LP
- High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization9 May 2024US 2024/0150501 A1Chevron Phillips Chemical Company LP
- High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization7 Dec 2023US 2023/0391897 A1Chevron Phillips Chemical Company LP
Most cited
By later US patents
- Method for making and using a supported metallocene catalyst system162US 5,240,894 AExxon Chemical Patents Inc. · 1993
- Process for controlling the MWD of a broad/bimodal resin produced in a single reactor151US 5,525,678 AMobil Oil Corporation · 1996
- Metallocenes and processes therefor and therewith148US 5,399,636 APhillips Petroleum Company · 1995
- Heterogeneous organometallic catalysts containing a supported titanium compound and at least one other supported organometallic compound142US 4,659,685 AThe Dow Chemical Company · 1987
- Supported ionic catalyst composition141US 5,643,847 AExxon Chemical Patents Inc. · 1997