C07C 7/177
By selective oligomerisation or polymerisation of at least one compound of the
Official title: by selective oligomerisation or polymerisation of at least one compound of the mixture
C07C7/177 (By selective oligomerisation or polymerisation of at least one compound of the) appears on 38 US grants and 23 published applications in this corpus.
Search patents in C07C- Granted patents
- 38
- Published applications
- 23
- Assignees
- 23
- Inventors
- 97
- Latest grant
- 26 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
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| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 3 |
| 2014 | 1 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 3 |
| 2019 | 2 | 1 |
| 2020 | 4 | 1 |
| 2021 | 1 | 3 |
| 2022 | 1 | 0 |
| 2023 | 1 | 2 |
| 2024 | 2 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for the controlled oligomerization of butenes26 Mar 2024US 11,939,289 B2Lummus Technology Inc.
- Tricyclodecane dimethanol composition and preparation method of the same30 Jan 2024US 11,884,622 B2SK Chemicals Co., Ltd.
- Removing acetylene from ethylene gas streams during polyethylene synthesis3 Jan 2023US 11,542,215 B2University of Florida Research Foundation, Inc.
- Process for the controlled oligomerization of butenes26 Apr 2022US 11,312,671 B2Lummus Technology Inc.
- Producing C5 olefins from steam cracker C5 feeds14 Dec 2021US 11,198,108 B2Lummus Technology Inc.
- Process for purifying hydrocarbon streams including heterogeneously and homogeneously catalysed reactions3 Sep 2026US 2026/0257976 A1Evonik Oxeno GmbH
- Tricyclodecane dimethanol composition and preparation method of the same22 Jun 2023US 2023/0192575 A1SK Chemicals Co., Ltd.
- Process for the controlled oligomerization of butenes4 May 2023US 2023/0133823 A1Lummus Technology Inc.
- Process for the controlled oligomerization of butenes30 Dec 2021US 2021/0403398 A1Lummus Technology Inc.
- Removing acetylene from ethylene gas streams during polyethylene synthesis1 Apr 2021US 2021/0094896 A1University of Florida Research Foundation, Inc.
Most cited
By later US patents
- Catalytic distillation process146US 4,232,177 AChemical Research & Licensing Company · 1980
- Process for separating isobutene from C.sub.4 streams110US 4,242,530 AChemical Research & Licensing Company · 1980
- Catalyst system for separating isobutene from C.sub.4 streams101US 4,215,011 AChemical Research & Licensing Company · 1980
- Catalytic olefin upgrading process using synthetic mesoporous crystalline material58US 5,134,242 AMobil Oil Corporation · 1992
- Enhanced diisobutene production in the presence of methyl tertiary butyl ether27US 4,375,576 AChemical Research & Licensing Company · 1983