C08F 4/6555
And magnesium or compounds thereof
Official title: {and magnesium or compounds thereof}
C08F4/6555 (And magnesium or compounds thereof) appears on 43 US grants and 46 published applications in this corpus.
Search patents in C08F- Granted patents
- 43
- Published applications
- 46
- Assignees
- 15
- Inventors
- 115
- Latest grant
- 1 Jul 2025
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 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 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 | 1 |
| 2016 | 5 | 10 |
| 2017 | 2 | 6 |
| 2018 | 8 | 2 |
| 2019 | 0 | 6 |
| 2020 | 3 | 7 |
| 2021 | 6 | 9 |
| 2022 | 4 | 1 |
| 2023 | 4 | 1 |
| 2024 | 5 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Polymerization of ethylene in solution processes using a Ziegler-Natta catalyst and a hydrogenation catalyst1 Jul 2025US 12,344,695 B2Dow Global Technologies LLC
- Process for preparation of multimodal polyolefin17 Sep 2024US 12,091,475 B2Sabic Global Technologies B.V.
- Process for polymerizing ethylene in a multi-stage polymerization process23 Jul 2024US 12,043,687 B2Borealis AG
- Process for the preparation of an UHMWPE homopolymer23 Apr 2024US 11,965,052 B2Borealis AG
- Ziegler-Natta catalyst with an electron donor compound for increasing polymer molecular weight26 Mar 2024US 11,939,417 B2Dow Global Technologies LLC
- Process for the preparation of an uhmwpe homopolymer12 Oct 2023US 2023/0322969 A1Borealis AG
- Polymerization of ethylene in solution processes using a ziegler-natta catalyst and a hydrogenation catalyst1 Sep 2022US 2022/0275114 A1Dow Global Technologies LLC
- Process for preparation of multimodal polyolefin16 Dec 2021US 2021/0388122 A1Sabic Global Technologies B.V.
- Process for the preparation of an uhmwpe homopolymer4 Nov 2021US 2021/0340289 A1Borealis AG
- Process for polymerizing ethylene in a multi-stage polymerization process2 Sep 2021US 2021/0269560 A1Borealis AG
Most cited
By later US patents
- 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
- Propylene homopolymer11US 6,090,903 AToho Titanium Co., Ltd. · 2000