C07C 13/26
With an eight-membered ring
Official title: with an eight-membered ring
C07C13/26 (With an eight-membered ring) appears on 23 US grants and 18 published applications in this corpus.
Search patents in C07C- Granted patents
- 23
- Published applications
- 18
- Assignees
- 16
- Inventors
- 51
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 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 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 2 |
| 2019 | 1 | 3 |
| 2020 | 1 | 2 |
| 2021 | 3 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Cyclooctane containing seal swelling compositions and methods for use of same23 Dec 2025US 12,503,662 B1CleanJoule, Inc.
- Molecular sieves mediated unsaturated hydrocarbon separation and related compositions, materials, methods and systems14 Jan 2025US 12,195,426 B2California Institute of Technology
- Method for synthesizing polyolefin material with controlled degree of branching20 Jun 2023US 11,680,134 B2Shanghai Jiao Tong University
- Polymerizable sulfonamide compounds and polymers thereof26 Oct 2021US 11,155,674 B2Massachusetts Institute of Technology
- Producing cyclic fuels from conjugated diene20 Apr 2021US 10,981,846 B1The Trustees of Princeton University
- Molecular sieves mediated unsaturated hydrocarbon separation and related compositions, materials, methods and systems27 Mar 2025US 2025/0100957 A1California Institute of Technology
- Olefin conversion catalysts and preparation methods and applications thereof2 Jan 2025US 2025/0002430 A1China Petroleum & Chemical Corporation
- Molecular sieves mediated unsaturated hydrocarbon separation and related compositions, materials, methods and systems20 Jul 2023US 2023/0227385 A1California Institute of Technology
- Molecular sieves mediated unsaturated hydrocarbon separation and related compositions, materials, methods and systems14 Jul 2022US 2022/0220048 A1California Institute of Technology
- Method for synthesizing polyolefin material with controlled degree of branching18 Feb 2021US 2021/0047462 A1Shanghai Jiao Tong University
Most cited
By later US patents
- Supertwist liquid-crystal display15US 6,017,469 AMerck Patent GmbH · 2000
- Materials for organic electroluminescent devices15US 8,932,732 B2Merck Patent GmbH · 2015
- Chemical structures for localized delivery of therapeutic agents10US 10,130,711 B2Alchemical Research Holdings, LLC · 2018
- Synthesis of cyclooctatetraene derivatives and their use as electron transporters in organic light emitting diodes9US 6,350,875 B1University of Southern California · 2002
- Molecular sieves mediated unsaturated hydrocarbon separation and related compositions, materials, methods and systems3US 10,112,878 B2California Institute of Technology · 2018