C07C 251/18
Having carbon atoms of imino groups bound to carbon atoms of rings
Official title: having carbon atoms of imino groups bound to carbon atoms of rings other than six-membered aromatic rings
C07C251/18 (Having carbon atoms of imino groups bound to carbon atoms of rings) appears on 21 US grants and 13 published applications in this corpus.
Search patents in C07C- Granted patents
- 21
- Published applications
- 13
- Assignees
- 17
- Inventors
- 83
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 2 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 4 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cyclopropenimines for mineralization of carbon dioxide25 Nov 2025US 12,479,793 B2International Business Machines Corporation
- Polymerizable compound and optically anisotropic object1 Mar 2022US 11,261,378 B2DIC Corporation
- Diamine dione polyalkyl amine synthesis27 Nov 2018US 10,138,322 B2International Business Machines Corporation
- Diamine dione polyalkyl amine synthesis28 Feb 2017US 9,580,537 B1International Business Machines Corporation
- Chiral cheating agent and chiral catalyst17 May 2005US 6,894,172 B2National Taiwan Normal University
- Novel nootropic prodrugs of henethylamine26 Mar 2026US 2026/0085036 A1MiHKAL GmbH
- Novel compound for capping layer and organic light emitting device including same22 Aug 2024US 2024/0279158 A1Dongjin Semichem Co., Ltd.
- Cyclopropenimines for mineralization of carbon dioxide14 Mar 2024US 2024/0083840 A1International Business Machines Corporation
- Fragrance and flavor materials derived from 1-(4-methylcyclohex-1-en-1-yl)ethan-1-one31 Dec 2020US 2020/0407301 A1
- Polymerizable compound and optically anisotropic object28 Dec 2017US 2017/0369783 A1DIC Corporation
Most cited
By later US patents
- Coating compositions based on aldimines and polyisocyanates containing allophanate groups25US 5,466,771 ABayer Aktiengesellschaft · 1995
- Carbamate functional 1,3,5-triazines15US 6,063,922 ACytec Technology Corp. · 2000
- Process for the preparation of 1,3,5-triazine carbamates from amino-1,3,5-triazines and organic carbonates9US 5,705,641 ACytec Technology Corp. · 1998
- Azulenic retinoid compounds, compositions and methods2US 5,235,076 AUniversity of Hawaii · 1993
- Process for the preparation of 1,3,5-triazine carbamates from amino 1,3,5-triazines and organic carbonates2US 5,792,866 ACytec Technology Corp. · 1998