C07C 2/28
With ion-exchange resins
Official title: with ion-exchange resins
C07C2/28 (With ion-exchange resins) appears on 73 US grants and 55 published applications in this corpus.
Search patents in C07C- Granted patents
- 73
- Published applications
- 55
- Assignees
- 33
- Inventors
- 141
- Latest grant
- 10 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 3 |
| 2005 | 2 | 3 |
| 2006 | 2 | 3 |
| 2007 | 3 | 3 |
| 2008 | 1 | 4 |
| 2009 | 1 | 2 |
| 2010 | 0 | 3 |
| 2011 | 2 | 3 |
| 2012 | 2 | 4 |
| 2013 | 1 | 1 |
| 2014 | 1 | 2 |
| 2015 | 3 | 8 |
| 2016 | 7 | 1 |
| 2017 | 6 | 2 |
| 2018 | 4 | 0 |
| 2019 | 2 | 1 |
| 2020 | 1 | 0 |
| 2021 | 3 | 3 |
| 2022 | 3 | 5 |
| 2023 | 2 | 2 |
| 2024 | 2 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Dimerization and trimerization of C5 olefins via catalytic distillation10 Dec 2024US 12,162,814 B2Lummus Technology Inc.
- Process for the controlled oligomerization of butenes26 Mar 2024US 11,939,289 B2Lummus Technology Inc.
- Processes and systems for C3+ monoolefin conversion19 Dec 2023US 11,845,707 B2ExxonMobil Chemical Patents Inc.
- Process and apparatus for production and separation of alcohols and oligomerization of hydrocarbon feedstock16 May 2023US 11,649,200 B2Indian Oil Corporation Limited
- Olefin trimerization27 Dec 2022US 11,535,577 B2Neste Oyj
- Polyalphaolefins made from dimer olefins obtained from branched c10 monoolefins using solid acid catalyst6 Mar 2025US 2025/0074844 A1Chevron Phillips Chemical Company LP
- Cosmetic composition based on biosourced isododecane and preparation method thereof15 Jun 2023US 2023/0181432 A1Global Bioenergies
- Process for the controlled oligomerization of butenes4 May 2023US 2023/0133823 A1Lummus Technology Inc.
- Processes and Systems for C3+ Monoolefin Conversion11 Aug 2022US 2022/0251003 A1ExxonMobil Chemical Patents Inc.
- Olefin trimerization12 May 2022US 2022/0144723 A1Neste Oyj
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
- Oligomerized olefins for lubricant stock109US 4,367,352 ATexaco Inc. · 1983
- Catalyst system for separating isobutene from C.sub.4 streams101US 4,215,011 AChemical Research & Licensing Company · 1980
- Selective olefin oligomerization59US 6,376,731 B1ARCO Chemical Technology, L. P. · 2002