C08F 4/6543
Halides of magnesium
Official title: {halides of magnesium}
C08F4/6543 (Halides of magnesium) appears on 45 US grants and 54 published applications in this corpus.
Search patents in C08F- Granted patents
- 45
- Published applications
- 54
- Assignees
- 28
- Inventors
- 175
- Latest grant
- 7 Jul 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 | 0 | 2 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 3 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 2 |
| 2017 | 1 | 1 |
| 2018 | 1 | 5 |
| 2019 | 2 | 7 |
| 2020 | 5 | 10 |
| 2021 | 7 | 7 |
| 2022 | 7 | 7 |
| 2023 | 5 | 4 |
| 2024 | 4 | 1 |
| 2025 | 3 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Modified polyethylene resins and process for making the same7 Jul 2026US 12,674,011 B2Dow Global Technologies LLC
- Catalyst components for the polymerization of olefins29 Apr 2025US 12,286,504 B2Basell Poliolefine Italia S.r.l.
- Process for preparing solid catalyst components for olefin polymerization4 Mar 2025US 12,240,925 B2W. R. Grace & Co.-Conn.
- Random propylene polymer composition and use in extrusion blow moulding25 Feb 2025US 12,234,351 B2Borealis AG
- Catalyst and preparation thereof1 Oct 2024US 12,104,001 B2Borealis AG
- Solid titanium catalyst component, catalyst for polymerizing olefin, and method for polymerizing olefin24 Sep 2026US 2026/0286018 A1Mitsui Chemicals, Inc.
- Transparent polypropylene resin and preparation method thereof9 Jul 2026US 2026/0192501 A1Shandong Chambroad Polyolefin Performance Materials Co., Ltd.
- Method for preparing ziegler-natta catalyst for polymerization of low-density copolymer5 Jun 2025US 2025/0179226 A1SK Geo Centric Co., Ltd.
- Modified polyethylene resins and process for making the same11 Jan 2024US 2024/0010772 A1Dow Global Technologies LLC
- Propylene-butene copolymer, preparation method therefor and use thereof7 Dec 2023US 2023/0391907 A1Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
Most cited
By later US patents
- Crystalline polypropylenes, process for preparing thereof, polypropylene compositions, and thermoformed products44US 6,403,708 B2Mitsui Chemicals, Inc. · 2002
- 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
- Automotive material with excellent flow, high stiffness, excellent ductility and low CLTE5US 8,816,010 B2Borealis AG · 2014
- Catalyst component comprising magnesium, titanium, a halogen and an electron donor, its preparation and use3US 6,703,455 B1W. R. Grace & Co.-Conn. · 2004