C08F 4/65912
In combination with an organoaluminium compound
Official title: {in combination with an organoaluminium compound}
C08F4/65912 (In combination with an organoaluminium compound) appears on 3,424 US grants and 3,009 published applications in this corpus.
Search patents in C08F- Granted patents
- 3,424
- Published applications
- 3,009
- Assignees
- 448
- Inventors
- 4,295
- Latest grant
- 6 Oct 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 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 7 | 0 |
| 1990 | 14 | 0 |
| 1991 | 22 | 0 |
| 1992 | 22 | 0 |
| 1993 | 36 | 0 |
| 1994 | 36 | 0 |
| 1995 | 46 | 0 |
| 1996 | 67 | 0 |
| 1997 | 99 | 0 |
| 1998 | 97 | 0 |
| 1999 | 81 | 0 |
| 2000 | 128 | 0 |
| 2001 | 187 | 56 |
| 2002 | 214 | 141 |
| 2003 | 161 | 165 |
| 2004 | 127 | 159 |
| 2005 | 129 | 126 |
| 2006 | 124 | 119 |
| 2007 | 89 | 93 |
| 2008 | 60 | 86 |
| 2009 | 70 | 119 |
| 2010 | 74 | 96 |
| 2011 | 84 | 97 |
| 2012 | 80 | 95 |
| 2013 | 95 | 90 |
| 2014 | 92 | 90 |
| 2015 | 89 | 97 |
| 2016 | 106 | 132 |
| 2017 | 105 | 130 |
| 2018 | 110 | 127 |
| 2019 | 98 | 136 |
| 2020 | 106 | 104 |
| 2021 | 130 | 156 |
| 2022 | 93 | 147 |
| 2023 | 94 | 132 |
| 2024 | 69 | 145 |
| 2025 | 101 | 101 |
| 2026 | 70 | 70 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thermoplastic resin composition6 Oct 2026US 12,753,300 B2LG Chem.Ltd.
- Propylene copolymers obtained using transition metal bis(phenolate) catalyst complexes and homogeneous process for production thereof29 Sep 2026US 12,747,311 B2ExxonMobil Technology and Engineering Company
- Olefin polymerization method and system1 Sep 2026US 12,723,108 B2China Petroleum & Chemical Corporation
- Ethylene copolymer and method for preparation thereof and composition and crosslinked polymer and tire1 Sep 2026US 12,723,117 B2China Petroleum & Chemical Corporation
- Metallocene compound, and preparation method therefor and application thereof25 Aug 2026US 12,715,941 B2China Petroleum & Chemical Corporation
- Ethylene/alpha-olefin copolymer and preparation method thereof8 Oct 2026US 2026/0308291 A1China Petroleum & Chemical Corporation
- Process for preparing an olefin-acrylate block copolymer17 Sep 2026US 2026/0275020 A1
- 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
Most cited
By later US patents
- Elastic substantialy linear olefin polymers1,117US 5,278,272 AThe Dow Chemical Company · 1994
- Supported polymerization catalyst710US 4,808,561 AExxon Chemical Patents Inc. · 1989
- Catalyst system of enhanced productivity544US 5,153,157 AExxon Chemical Patents Inc. · 1992
- Process and catalyst for polyolefin density and molecular weight control529US 5,324,800 AExxon Chemical Patents Inc. · 1994
- Hafnium metallocene catalyst for the polymerization of olefins498US 4,794,096 AFina Technology, Inc. · 1988