C07C 9/18
With five carbon atoms
Official title: with five carbon atoms
C07C9/18 (With five carbon atoms) appears on 11 US grants and 9 published applications in this corpus.
Search patents in C07C- Granted patents
- 11
- Published applications
- 9
- Assignees
- 9
- Inventors
- 46
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 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 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 5 |
| 2020 | 3 | 1 |
| 2021 | 2 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heat integration via heat pump on bottom dividing wall column6 Oct 2026US 12,752,216 B2Sulzer Management AG
- Separation membrane and method of producing separation membrane23 Nov 2021US 11,179,681 B2Zeon Corporation
- Catalysts and processes for making catalysts for producing neopentane4 May 2021US 10,994,264 B2ExxonMobil Chemical Patents Inc.
- Catalytic activation and alkylation of isopentane-enriched mixtures27 Oct 2020US 10,815,438 B2Phillips 66 Company
- Catalytic activation of isopentane-enriched mixtures15 Sep 2020US 10,774,017 B2Phillips 66 Company
- Cracker recycles to value added chemicals24 Oct 2024US 2024/0351964 A1Sabic Global Technologies B.V.
- Heat integration via heat pump on a bottom dividing wall column29 Jun 2023US 2023/0201740 A1Sulzer Management AG
- Separation membrane and method of producing separation membrane12 Mar 2020US 2020/0078743 A1Zeon Corporation
- Catalysts and Processes for Making Catalysts for Producing Neopentane5 Dec 2019US 2019/0366306 A1ExxonMobil Chemical Patents Inc.
- Catalytic activation of isopentane-enriched mixtures3 Oct 2019US 2019/0300454 A1Phillips 66 Company
Most cited
By later US patents
- Process for alkane isomerization using reactive chromatography14US 5,530,172 AUop LLC · 1996
- Catalytic activation and oligomerization of isopentane-enriched mixtures2US 10,745,328 B2Phillips 66 Company · 2020
- Catalytic activation of isopentane-enriched mixtures2US 10,774,017 B2Phillips 66 Company · 2020
- Catalytic activation and alkylation of isopentane-enriched mixtures2US 10,815,438 B2Phillips 66 Company · 2020
- Process for isolating cyclopentane and/or cyclopentene2US 6,264,799 B1EC Erdolchemie GmbH · 2001