C08F 4/654
With magnesium or compounds thereof
Official title: with magnesium or compounds thereof
C08F4/654 (With magnesium or compounds thereof) appears on 115 US grants and 143 published applications in this corpus.
Search patents in C08F- Granted patents
- 115
- Published applications
- 143
- Assignees
- 52
- Inventors
- 378
- Latest grant
- 22 Sep 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 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 2 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 4 | 3 |
| 2005 | 0 | 0 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 3 | 6 |
| 2016 | 1 | 2 |
| 2017 | 5 | 10 |
| 2018 | 4 | 10 |
| 2019 | 8 | 23 |
| 2020 | 14 | 20 |
| 2021 | 13 | 16 |
| 2022 | 19 | 13 |
| 2023 | 10 | 16 |
| 2024 | 12 | 7 |
| 2025 | 11 | 3 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Polymers with low levels of volatile organic compounds and methods of making such polymers22 Sep 2026US 12,742,026 B2ExxonMobil Chemical Patents Inc.
- 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.
- Modified polyethylene resins and process for making the same7 Jul 2026US 12,674,011 B2Dow Global Technologies LLC
- Process for introducing catalyst in a polymerization process24 Feb 2026US 12,559,580 B2Braskem S/A
- Polymer formulations and irrigation tubing including polymer formulations14 Oct 2025US 12,441,873 B2Dow Global Technologies LLC
- Solid titanium catalyst component, catalyst for polymerizing olefin, and method for polymerizing olefin24 Sep 2026US 2026/0286018 A1Mitsui Chemicals, Inc.
- Method for producing magnesium compound particle, method for controlling shape of olefin polymer particle, and olefin polymer particle6 Aug 2026US 2026/0226201 A1Mitsui Chemicals, Inc.
- Transparent polypropylene resin and preparation method thereof9 Jul 2026US 2026/0192501 A1Shandong Chambroad Polyolefin Performance Materials Co., Ltd.
- Propylene preliminary polymerization9 Jul 2026US 2026/0193391 A1Braskem S/A
- Process for introducing catalyst in a polymerization process18 Jun 2026US 2026/0167748 A1Braskem S/A
Most cited
By later US patents
- Crystalline polypropylenes, process for preparing thereof, polypropylene compositions, and thermoformed products44US 6,403,708 B2Mitsui Chemicals, Inc. · 2002
- Catalyst component23US 10,870,718 B2Borealis AG · 2020
- Polymerization catalyst for ethylene homopolymerization15US 4,684,703 AUnion Carbide Corporation · 1987
- Organosilicon compound, catalyst for olefin polymer production, and method for producing olefin polymer12US 6,552,136 B1Idemitsu Petrochemical Co., Ltd. · 2003
- Catalyst composition for polymerization of olefins7US 9,663,596 B2Saudi Basic Industries Corporation · 2017