C08F 4/72
Selected from metals not provided for in group c08f4/44
Official title: selected from metals not provided for in group C08F4/44 (C08F4/54 - C08F4/70 take precedence)
C08F4/72 (Selected from metals not provided for in group c08f4/44) appears on 496 US grants and 575 published applications in this corpus.
Search patents in C08F- Granted patents
- 496
- Published applications
- 575
- Assignees
- 231
- Inventors
- 1,244
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 2 |
| 2002 | 2 | 2 |
| 2003 | 3 | 6 |
| 2004 | 4 | 2 |
| 2005 | 0 | 3 |
| 2006 | 3 | 3 |
| 2007 | 2 | 3 |
| 2008 | 1 | 7 |
| 2009 | 1 | 8 |
| 2010 | 3 | 8 |
| 2011 | 3 | 6 |
| 2012 | 4 | 14 |
| 2013 | 15 | 61 |
| 2014 | 39 | 55 |
| 2015 | 56 | 44 |
| 2016 | 53 | 35 |
| 2017 | 30 | 29 |
| 2018 | 20 | 28 |
| 2019 | 28 | 26 |
| 2020 | 22 | 29 |
| 2021 | 26 | 36 |
| 2022 | 29 | 42 |
| 2023 | 31 | 53 |
| 2024 | 28 | 33 |
| 2025 | 25 | 24 |
| 2026 | 23 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Olefin-based polymer and method for preparing same6 Oct 2026US 12,753,253 B2Hanwha Solutions Corporation
- Palladium catalysts for forming vinyl addition polymers having improved film forming properties1 Sep 2026US 12,723,111 B2Promerus, LLC
- Oxidized polyethylene compounds and methods of making the same18 Aug 2026US 12,709,680 B2The Regents of the University of California
- Olefin-based polymer4 Aug 2026US 12,698,353 B2LG Chem.Ltd.
- Metallocene catalysts for producing vinyl-terminated polyalphaolefins and methods associated therewith28 Jul 2026US 12,692,327 B2ExxonMobil Chemical Patents Inc.
- 5,6,7,8-tetrahydro-1-naphthol-phosphine post-transition metal complexes, preparation method therefor, and use thereof8 Oct 2026US 2026/0308190 A1China Petroleum & Chemical Corporation
- Supported olefin polymerization catalysts comprising substituted 2-hydroxythiophene compounds8 Oct 2026US 2026/0308284 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
- Addition-cure silicone rubber20 Aug 2026US 2026/0242600 A1Momentive Performance Materials Inc.
Most cited
By later US patents
- High metathesis activity ruthenium and osmium metal carbene complexes146US 5,831,108 ACalifornia Institute of Technology · 1998
- Methods for producing fluorided-chlorided silica-coated alumina activator-supports and catalyst systems containing the same146US 9,023,959 B2Chevron Phillips Chemical Company LP · 2015
- Curable composition and the use thereof116US 5,073,476 ACiba-Geigy Corporation · 1991
- Polymerizable compositions with acylgermanium compounds98US 7,605,190 B2Ivoclar Vivadent AG · 2009
- Living polymers and process for their preparation87US 4,417,034 AE. I. Du Pont de Nemours and Company · 1983