C08F 4/6494
Containing oxygen
Official title: {containing oxygen}
C08F4/6494 (Containing oxygen) appears on 57 US grants and 73 published applications in this corpus.
Search patents in C08F- Granted patents
- 57
- Published applications
- 73
- Assignees
- 28
- Inventors
- 194
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 2 | 9 |
| 2014 | 3 | 6 |
| 2015 | 6 | 5 |
| 2016 | 4 | 5 |
| 2017 | 3 | 5 |
| 2018 | 5 | 6 |
| 2019 | 4 | 11 |
| 2020 | 6 | 4 |
| 2021 | 8 | 5 |
| 2022 | 5 | 3 |
| 2023 | 2 | 4 |
| 2024 | 4 | 2 |
| 2025 | 2 | 4 |
By publication year.
Recent patents
- Process for polymerization of polypropylene using ziegler-natta procatalyst with novel 1,3-diether internal donors5 Aug 2025US 12,378,332 B2Sabic Global Technologies B.V.
- Ziegler-Natta catalysts for olefin polymerization24 Jun 2025US 12,338,311 B2Borealis AG
- Solid catalyst component for olefin polymerization24 Dec 2024US 12,173,107 B2Sumitomo Chemical Company, Limited
- Catalyst component for olefin polymerization, preparation method thereof, and catalyst including same22 Oct 2024US 12,121,880 B2Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
- Solid catalyst component for olefin polymerization, method for producing solid catalyst component for olefin polymerization, method for producing catalyst for olefin polymerization and method for producing polymer of olefin13 Aug 2024US 12,060,378 B2Toho Titanium Co., Ltd.
- Catalyst for polymerization of olefin, method for producing polymer of olefin, and propylene homopolymer12 Jun 2025US 2025/0188200 A1Toho Titanium Co., Ltd.
- Olefin polymerization catalyst components containing silane and process for the production of polypropylene having high isotacticity at high melt flow rate10 Apr 2025US 2025/0115686 A1Formosa Plastics Corporation, U. S. A
- Solid catalyst component for polymerization of olefin, method for producing solid catalyst component for polymerization of olefin, catalyst for polymerization of olefin, method for producing polymer of olefin, and polymer of olefin27 Mar 2025US 2025/0101142 A1Toho Titanium Co., Ltd.
- Olefin polymerization ziegler-natta catalyst components andprocess for the production of olefin polymers therewith23 Jan 2025US 2025/0026868 A1Formosa Plastics Corporation, U. S. A
- Solid titanium catalyst component, olefin polymerization catalyst, olefin polymerization method, and propylene polymer29 Feb 2024US 2024/0067764 A1Mitsui Chemicals, Inc.
Most cited
By later US patents
- Catalyst component23US 10,870,718 B2Borealis AG · 2020
- Procatalyst composition with substitute 1,2-phenylene aromatic diester internal donor and method16US 8,288,585 B2Dow Global Technologies LLC · 2012
- Catalyst component for polymerization of olefin and preparation method13US 9,068,025 B2Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation · 2015
- Procatalyst composition with substituted 1,2-phenylene aromatic diester internal donor and method8US 8,536,372 B2Dow Global Technologies LLC · 2013
- Catalyst composition with halo-malonate internal electron donor and polymer from same6US 8,383,540 B2Dow Global Technologies LLC · 2013