C08F 4/65916
Supported on a carrier
Official title: {supported on a carrier, e.g. silica, MgCl2, polymer}
C08F4/65916 (Supported on a carrier) appears on 1,662 US grants and 1,607 published applications in this corpus.
Search patents in C08F- Granted patents
- 1,662
- Published applications
- 1,607
- Assignees
- 226
- Inventors
- 2,303
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 12 | 0 |
| 1992 | 7 | 0 |
| 1993 | 10 | 0 |
| 1994 | 11 | 0 |
| 1995 | 16 | 0 |
| 1996 | 19 | 0 |
| 1997 | 41 | 0 |
| 1998 | 43 | 0 |
| 1999 | 28 | 0 |
| 2000 | 45 | 0 |
| 2001 | 74 | 28 |
| 2002 | 97 | 73 |
| 2003 | 73 | 69 |
| 2004 | 54 | 82 |
| 2005 | 67 | 66 |
| 2006 | 63 | 59 |
| 2007 | 45 | 46 |
| 2008 | 37 | 30 |
| 2009 | 28 | 40 |
| 2010 | 38 | 45 |
| 2011 | 28 | 42 |
| 2012 | 32 | 53 |
| 2013 | 46 | 44 |
| 2014 | 49 | 38 |
| 2015 | 47 | 64 |
| 2016 | 63 | 77 |
| 2017 | 55 | 73 |
| 2018 | 63 | 79 |
| 2019 | 58 | 98 |
| 2020 | 67 | 53 |
| 2021 | 84 | 81 |
| 2022 | 60 | 82 |
| 2023 | 42 | 83 |
| 2024 | 41 | 86 |
| 2025 | 63 | 72 |
| 2026 | 46 | 44 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Olefinic polymer, and method for preparing same15 Sep 2026US 12,735,515 B2Hanwha Solutions Corporation
- Method for producing catalyst for polymerization of olefin, catalyst for polymerization of olefin, and method for producing polymer of olefin15 Sep 2026US 12,735,525 B2Toho Titanium Co., Ltd.
- Metallocene compound, and preparation method therefor and application thereof25 Aug 2026US 12,715,941 B2China Petroleum & Chemical Corporation
- Thermoplastic compositions comprising recycled polymers and articles manufactured therefrom11 Aug 2026US 12,703,788 B2Dow Global Technologies LLC
- Catalyst systems and processes for producing polyethylene using the same21 Jul 2026US 12,686,731 B2Dow Global Technologies LLC
- Polyolefin compositions for rotomolding10 Sep 2026US 2026/0265429 A1Dow Global Technologies LLC
- Symmetrical zirconium metallocenes having isobutyl cyclopentadienyl ligands27 Aug 2026US 2026/0250309 A1Dow Global Technologies LLC
- Polyolefin compositions for injection molding27 Aug 2026US 2026/0250438 A1Dow Global Technologies LLC
- Glass fiber reinforced polypropylene composition27 Aug 2026US 2026/0250493 A1Borealis AG
- Density and chemical composition control for polymer with good stress crack properties20 Aug 2026US 2026/0242578 A1ExxonMobil Chemical Patents Inc.
Most cited
By later US patents
- Supported polymerization catalyst710US 4,808,561 AExxon Chemical Patents Inc. · 1989
- Olefin polymerization catalysts446US 5,055,438 AExxon Chemical Patents Inc. · 1991
- Mono-Cp heteroatom containing group IVB transition metal complexes with MAO: supported catalyst for olefin polymerization399US 5,057,475 AExxon Chemical Patents Inc. · 1991
- Silicon-bridged transition metal compounds390US 5,017,714 AExxon Chemical Patents Inc. · 1991
- Process for producing crystalline poly-.alpha.-olefins with a monocyclopentadienyl transition metal catalyst system356US 5,026,798 AExxon Chemical Patents Inc. · 1991