C08F 4/16
Of silicon, germanium, tin, lead, titanium, zirconium or hafnium
Official title: of silicon, germanium, tin, lead, titanium, zirconium or hafnium
C08F4/16 (Of silicon, germanium, tin, lead, titanium, zirconium or hafnium) appears on 101 US grants and 122 published applications in this corpus.
Search patents in C08F- Granted patents
- 101
- Published applications
- 122
- Assignees
- 66
- Inventors
- 343
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 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 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 4 |
| 2012 | 0 | 5 |
| 2013 | 4 | 15 |
| 2014 | 11 | 13 |
| 2015 | 8 | 11 |
| 2016 | 4 | 4 |
| 2017 | 10 | 9 |
| 2018 | 9 | 6 |
| 2019 | 10 | 13 |
| 2020 | 6 | 6 |
| 2021 | 2 | 3 |
| 2022 | 8 | 9 |
| 2023 | 4 | 3 |
| 2024 | 6 | 8 |
| 2025 | 2 | 2 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Partial oxidative coupling catalyst and olefin production device and olefin production method using catalyst3 Mar 2026US 12,565,544 B2Mitsubishi Heavy Industries, Ltd.
- Solid titanium catalyst component, olefin polymerization catalyst, olefin polymerization method, and propylene polymer27 Jan 2026US 12,534,544 B2Mitsui Chemicals, Inc.
- Transition metal compound and method of preparing polypropylene using the same15 Jul 2025US 12,358,938 B2LG Chem.Ltd.
- Solid catalyst component for olefin polymerization25 Feb 2025US 12,234,312 B2Sumitomo Chemical Company, Limited
- Aqueous methods for titanating a chromium/silica catalyst10 Dec 2024US 12,161,997 B2Chevron Phillips Chemical Company LP
- Methods for the synthesis of polymers and polymers obtained thereof24 Sep 2026US 2026/0286015 A1Synkotech Biocompatible Materials, S.L.
- Solid titanium catalyst component, olefin polymerization catalyst, olefin polymerization method, and propylene polymer14 May 2026US 2026/0132229 A1Mitsui Chemicals, Inc.
- Device and method for preparing polypropylene26 Feb 2026US 2026/0055217 A1Tianhua Institute of Chemical Machinery and Automation Co., Ltd
- Method for Preparing Polyethylene Polymerization Catalyst10 Apr 2025US 2025/0115684 A1SK Geo Centric Co., Ltd.
- Ultrasmall amorphous metal oxide nanoparticles catalyze polyolefin hydrogenolysis9 Jan 2025US 2025/0011477 A1
Most cited
By later US patents
- Long chain branched polymers and methods of making same43US 9,023,967 B2Chevron Phillips Chemical Company LP · 2015
- Methods of preparing a catalyst37US 10,654,953 B2Chevron Phillips Chemical Company LP · 2020
- Methods of preparing a catalyst32US 10,513,570 B2Chevron Phillips Chemical Company LP · 2019
- Long chain branched polymers and methods of making same32US 9,598,513 B2Chevron Phillips Chemical Company LP · 2017
- Long chain branched polymers and methods of making same25US 10,323,108 B2Chevron Phillips Chemical Company LP · 2019