C08C 2/04
Removal of catalyst residues
C08C2/04 (Removal of catalyst residues) appears on 47 US grants and 30 published applications in this corpus.
Search patents in C08C- Granted patents
- 47
- Published applications
- 30
- Assignees
- 27
- Inventors
- 110
- Latest grant
- 7 May 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 2 |
| 2003 | 1 | 1 |
| 2004 | 2 | 2 |
| 2005 | 2 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 3 |
| 2008 | 0 | 0 |
| 2009 | 1 | 3 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 3 |
| 2016 | 1 | 3 |
| 2017 | 3 | 2 |
| 2018 | 0 | 0 |
| 2019 | 1 | 5 |
| 2020 | 2 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Hydrogenated nitrile rubber with reduced catalyst impurity7 May 2024US 11,976,181 B2Zeon Chemicals L.P.
- Method for producing hydrogenated conjugated diene polymer latex26 Jan 2021US 10,899,851 B2Zeon Corporation
- Process for recovery of residual hydrogenation catalyst from hydrogenated nitrile rubber solution22 Sep 2020US 10,781,272 B2Zeon Chemicals L.P.
- High molecular weight functionalized olefin copolymer quenching agent19 May 2020US 10,654,949 B2ExxonMobil Chemical Patents Inc.
- Binder composition for non-aqueous secondary battery positive electrode, composition for non-aqueous secondary battery positive electrode, positive electrode for non-aqueous secondary battery, and non-aqueous secondary battery, and methods for producing composition for non-aqueous secondary battery positive electrode, positive electrode for non-aqueous secondary battery, and non-aqueous secondary battery5 Nov 2019US 10,468,713 B2Zeon Corporation
- Hydrogenated nitrile rubber with reduced catalyst impurity11 Jul 2024US 2024/0228757 A1Zeon Chemicals L.P.
- Hydrogenated nitrile rubber with reduced catalyst impurity14 Jul 2022US 2022/0220289 A1Zeon Chemicals L.P.
- High Molecular Weight Functionalized Olefin Copolymer Quenching Agent22 Aug 2019US 2019/0256619 A1ExxonMobil Chemical Patents Inc.
- Method for separating catalyst component8 Aug 2019US 2019/0241681 A1Saga University
- Method for producing hydrogenated conjugated diene polymer latex4 Jul 2019US 2019/0202943 A1Zeon Corporation
Most cited
By later US patents
- Method of removing lithium compounds from a polymer39US 5,220,100 AShell Oil Company · 1993
- Stabilization of siloxane terminated polymers27US 5,659,056 ABridgestone Corporation · 1997
- Phase separation process utilizing a hydrofluorocarbon27US 7,629,397 B2ExxonMobil Chemical Patents Inc. · 2009
- Non-aqueous removal of soluble hydrogenation catalyst26US 4,028,485 AMobil Oil Corporation · 1977
- Hydrogenation of unsaturation in low molecular weight diene polymers23US 5,166,277 AShell Oil Company · 1992