C08F 4/461
Catalysts containing at least two different components covered by the same or
Official title: {Catalysts containing at least two different components covered by the same or by different subgroups of group C08F4/46, e.g. butyllithium + propylrubidium}
C08F4/461 (Catalysts containing at least two different components covered by the same or) appears on 13 US grants and 10 published applications in this corpus.
Search patents in C08F- Granted patents
- 13
- Published applications
- 10
- Assignees
- 12
- Inventors
- 31
- Latest grant
- 25 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 3 |
| 2019 | 0 | 1 |
| 2020 | 2 | 2 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 2 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Process and catalyst for hydrogen mediated saline hydride initiated anionic chain transfer polymerization25 Feb 2025US 12,234,304 B2Albemarle Corporation
- Synthetic polyisoprene latex8 Oct 2024US 12,110,358 B2Zeon Corporation
- Method for producing polymer10 Sep 2024US 12,084,538 B2LG Chem.Ltd.
- Process and catalyst for hydrogen mediated saline hydride initiated anionic chain transfer polymerization28 Feb 2023US 11,591,420 B2Albemarle Corporation
- Aminosilane initiators and functionalized polymers prepared therefrom18 Aug 2020US 10,745,497 B2Bridgestone Corporation
- Process and catalyst for hydrogen mediated saline hydride initiated anionic chain transfer polymerization5 Jun 2025US 2025/0179225 A1Albemarle Corporation
- Process and catalyst for hydrogen mediated saline hydride initiated anionic chain transfer polymerization20 Jul 2023US 2023/0227591 A1Albemarle Corporation
- Method for Producing Polymer12 Nov 2020US 2020/0354487 A1LG Chem.Ltd.
- Synthetic polyisoprene latex27 Feb 2020US 2020/0062873 A1Zeon Corporation
- Process and catalyst for hydrogen mediated saline hydride initiated anionic chain transfer polymerization11 Apr 2019US 2019/0106517 A1Albemarle Corporation
Most cited
By later US patents
- Telechelic polystyrene/polyethylene copolymers and processes for making same49US 5,849,847 AFMC Corporation · 1998
- Telechelic polymers from mixed initiator16US 5,780,551 AFMC Corporation · 1998
- Star polymers from mixed initiators14US 5,798,418 AFMC Corporation · 1998
- Associations of bases, resulting from the combination of a lithium alkyl or aryl with an alkali metal amide or hydride, polymerization process in which they are used, and product obtained13US 4,435,312 ASociete Nationale des Poudres et Explosifs · 1984
- Associations of bases, resulting from the combination of a lithium alkyl or aryl with an alkali metal amide or hydride, polymerization process in which they are used, and product obtained12US 4,535,135 ASociete Nationale des Poudres et Explosifs · 1985