C08F 6/08
Removal of catalyst residues
Official title: Removal of catalyst residues {(not used, see C08F6/02)}
C08F6/08 (Removal of catalyst residues) appears on 3 US grants and 9 published applications in this corpus.
Search patents in C08F- Granted patents
- 3
- Published applications
- 9
- Assignees
- 6
- Inventors
- 39
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 3 |
| 2020 | 2 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Separation and recovery method for boron trifluoride and complex thereof in olefin polymerization reaction5 May 2026US 12,617,689 B2PetroChina Company Limited
- Polyvinyl alcohol and method for producing same8 Sep 2020US 10,766,978 B2Kuraray Co., Ltd.
- Method for recovering catalyst14 Apr 2020US 10,618,037 B2Zeon Corporation
- Method for Producing Copolymer Having Improved Oil Retainability27 Aug 2026US 2026/0250429 A1Kuraray Co., Ltd.
- Process and apparatus for the preparation of highly reactive polyisobutylene27 Aug 2026US 2026/0250436 A1Hindustan Petroleum Corporation Limited
- Separation and recovery method for boron trifluoride and complex thereof in olefin polymerization reaction4 Jan 2024US 2024/0002243 A1PetroChina Company Limited
- Method of producing a copolymer having improved oil retention properties28 Dec 2023US 2023/0416443 A1Kuraray Co., Ltd.
- Cross-copolymer and method for producing same31 Oct 2019US 2019/0330402 A1Denka Company Limited
Most cited
By later US patents