C08F 4/655
With aluminium or compounds thereof
Official title: with aluminium or compounds thereof
C08F4/655 (With aluminium or compounds thereof) appears on 63 US grants and 70 published applications in this corpus.
Search patents in C08F- Granted patents
- 63
- Published applications
- 70
- Assignees
- 26
- Inventors
- 200
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 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 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 3 |
| 2016 | 5 | 11 |
| 2017 | 5 | 9 |
| 2018 | 12 | 6 |
| 2019 | 2 | 6 |
| 2020 | 4 | 9 |
| 2021 | 6 | 9 |
| 2022 | 6 | 5 |
| 2023 | 5 | 2 |
| 2024 | 5 | 3 |
| 2025 | 5 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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.
- Ziegler-Natta catalysts for olefin polymerization15 Jul 2025US 12,359,005 B2Borealis AG
- Polymerization of ethylene in solution processes using a Ziegler-Natta catalyst and a hydrogenation catalyst1 Jul 2025US 12,344,695 B2Dow Global Technologies LLC
- Propylene preliminary polymerization3 Jun 2025US 12,319,756 B2Braskem S/A
- Polymerization method and apparatus therefor8 Apr 2025US 12,269,024 B2Innospec Limited
- Propylene preliminary polymerization9 Jul 2026US 2026/0193391 A1Braskem S/A
- Catalyst components for the polymerization of olefins2 Apr 2026US 2026/0092131 A1Basell Poliolefine Italia S.r.l.
- Method for preparing ziegler-natta catalyst for polymerization of low-density copolymer5 Jun 2025US 2025/0179226 A1SK Geo Centric Co., Ltd.
- Polymeric materials22 May 2025US 2025/0164080 A1Innospec Limited
- Ethylene/1-hexene copolymers5 Dec 2024US 2024/0400733 A1Dow Global Technologies LLC
Most cited
By later US patents
- Process for the preparation of ultrahigh molecular weight polyethylene having a high bulk density32US 5,587,440 AHoechst Aktiengesellschaft · 1996
- Dilution index21US 9,512,282 B2NOVA Chemicals (International) S.A. · 2016
- Caps and closures19US 9,505,893 B2NOVA Chemicals (International) S.A. · 2016
- Polymerization catalyst for ethylene homopolymerization15US 4,684,703 AUnion Carbide Corporation · 1987
- Rotomolded articles12US 9,695,309 B2NOVA Chemicals (International) S.A. · 2017