C08F 4/612
Pretreating with metals or metal-containing compounds
C08F4/612 (Pretreating with metals or metal-containing compounds) appears on 10 US grants and 12 published applications in this corpus.
Search patents in C08F- Granted patents
- 10
- Published applications
- 12
- Assignees
- 8
- Inventors
- 29
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 3 |
| 2021 | 0 | 3 |
| 2022 | 3 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 3 | 0 |
By publication year.
Subgroups
Granted patents
- C08F 4/618With metals or metal-containing compounds, provided for in at least two of5
- C08F 4/614With magnesium or compounds thereof4
- C08F 4/616With silicon or compounds thereof1
- C08F 4/613With metals covered by group c08f4/60 or compounds thereof0
- C08F 4/615With aluminium or compounds thereof0
- C08F 4/617With metals or metal-containing compounds, not provided for in groups c08f4/613 -0
Recent patents
- Olefin polymerization catalyst, olefin polymerization catalyst production method, and olefin polymer production method using the olefin polymerization catalyst2 Sep 2025US 12,404,353 B2Japan Polypropylene Corporation
- Heterophasic propylene copolymers15 Jul 2025US 12,359,046 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.
- 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
- Catalyst components for propylene polymerization25 Apr 2023US 11,634,520 B2W. R. Grace & Co.-Conn.
- Spherical catalyst components for olefin polymerization30 May 2024US 2024/0174776 A1W. R. Grace & Co.-Conn.
- Olefin polymerization catalyst, olefin polymerization catalyst production method, and olefin polymer production method using the olefin polymerization catalyst11 May 2023US 2023/0142911 A1Japan Polypropylene Corporation
- Heterophasic propylene copolymers22 Sep 2022US 2022/0298343 A1Basell Poliolefine Italia S.r.l.
- Process for preparing solid catalyst components for olefin polymerization15 Sep 2022US 2022/0289881 A1W. R. Grace & Co.-Conn.
- Catalyst component for olefin polymerization, preparation method thereof, and catalyst including same8 Jul 2021US 2021/0205787 A1Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
Most cited
By later US patents