C08F 4/58
Together with silicon, germanium, tin, lead, antimony, bismuth or compounds thereof
Official title: together with silicon, germanium, tin, lead, antimony, bismuth or compounds thereof
C08F4/58 (Together with silicon, germanium, tin, lead, antimony, bismuth or compounds thereof) appears on 29 US grants and 32 published applications in this corpus.
Search patents in C08F- Granted patents
- 29
- Published applications
- 32
- Assignees
- 29
- Inventors
- 98
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 4 |
| 2014 | 2 | 2 |
| 2015 | 1 | 2 |
| 2016 | 3 | 3 |
| 2017 | 2 | 0 |
| 2018 | 3 | 3 |
| 2019 | 1 | 1 |
| 2020 | 3 | 1 |
| 2021 | 1 | 2 |
| 2022 | 1 | 2 |
| 2023 | 2 | 3 |
| 2024 | 0 | 0 |
| 2025 | 2 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Post-polymerization and polymeric material modification through gold catalysis and polymeric materials2 Jun 2026US 12,643,969 B2The University of Southern Mississippi
- Hydrocarbyl-modified methylaluminoxane cocatalysts for bis-phenylphenoxy metal-ligand complexes21 Apr 2026US 12,606,647 B2Dow Global Technologies LLC
- Glass powder and chemical polymerization initiator4 Nov 2025US 12,460,021 B2GC Corporation
- Catalyst system7 Jan 2025US 12,186,738 B2Dow Global Technologies LLC
- End group functionalization agents for polydiene24 Oct 2023US 11,795,243 B2Iowa State University Research Foundation, Inc.
- Quaternary ammonium salt, organic structure-directing agent, method for producing quaternary ammonium salt, con-type zeolite, method for producing con-type zeolite, catalyst, and method for producing lower olefin10 Apr 2025US 2025/0115685 A1Japan Technological Research Association of Artificial Photosynthetic Chemical Process
- Solid catalyst for polypropylene production and method for production of block copolymer20 Mar 2025US 2025/0092165 A1Hanwha Totalenergies Petrochemical Co., Ltd.
- Post-polymerization and polymeric material modification through gold catalysis and polymeric materials23 Nov 2023US 2023/0374178 A1The University of Southern Mississippi
- Hydrocarbyl-modified methylaluminoxane cocatalysts for bis-phenylphenoxy metal-ligand complexes14 Sep 2023US 2023/0287152 A1Dow Global Technologies LLC
- Cyclic organosilicon compounds as electron donors in zeigler ?natta catalyst systems for producing propylene polymer having high melt-flowability23 Mar 2023US 2023/0088145 A1Formosa Plastics Corporation, U. S. A
Most cited
By later US patents
- Process for making anionic polymeric di-and polyfunctional polymers using protected functional initiators12US 6,103,846 AShell Oil Company · 2000
- Multifunctional initiator from divinyl dislane7US 5,605,991 AShell Oil Company · 1997
- Process and catalyst system for polydiene production6US 8,765,887 B2Bridgestone Corporation · 2014
- Catalyst based on rare earth metal compounds5US 6,492,476 B1Bayer Aktiengesellschaft · 2002
- Aminosilane initiators and functionalized polymers prepared therefrom5US 9,884,923 B2Bridgestone Corporation · 2018