C08F 4/61
Pretreating the metal or compound covered by group c08f4/60 before the final
Official title: Pretreating the metal or compound covered by group C08F4/60 before the final contacting with the metal or compound covered by group C08F4/44 {(C08F4/60003 - C08F4/60196 take precedence)}
C08F4/61 (Pretreating the metal or compound covered by group c08f4/60 before the final) appears on 11 US grants and 13 published applications in this corpus.
Search patents in C08F- Granted patents
- 11
- Published applications
- 13
- Assignees
- 9
- Inventors
- 33
- Latest grant
- 10 Feb 2026
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 | 2 |
| 2024 | 1 | 1 |
| 2025 | 3 | 0 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Attenuated post-metallocene catalysts10 Feb 2026US 12,545,751 B2Dow Global Technologies LLC
- 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
- Spherical catalyst components for olefin polymerization30 May 2024US 2024/0174776 A1W. R. Grace & Co.-Conn.
- Attenuated post-metallocene catalysts18 May 2023US 2023/0151126 A1Dow Global Technologies LLC
- 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.
Most cited
By later US patents