C07C 215/88
Being formed by at least three rings
Official title: being formed by at least three rings
C07C215/88 (Being formed by at least three rings) appears on 17 US grants and 14 published applications in this corpus.
Search patents in C07C- Granted patents
- 17
- Published applications
- 14
- Assignees
- 12
- Inventors
- 32
- Latest grant
- 28 May 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 3 | 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 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 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 | 2 |
| 2015 | 1 | 2 |
| 2016 | 2 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 0 | 0 |
| 2021 | 3 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Compounds and organic electronic devices28 May 2024US 11,997,922 B2Merck Patent GmbH
- Compounds and organic electronic devices2 May 2023US 11,641,775 B2Merck Patent GmbH
- Squarylium compound, light-emitting composition, and light-emitting film1 Mar 2022US 11,261,374 B2Konica Minolta, Inc.
- Organic compound and organic electroluminescent element comprising same31 Aug 2021US 11,107,993 B2Material Science Co., Ltd.
- O-hydroxy-functionalized diamines, polyimides, methods of making each, and methods of use30 Mar 2021US 10,961,349 B2King Abdullah University of Science and Technology
- Compounds and organic electronic devices6 Jul 2023US 2023/0217811 A1Merck Patent GmbH
- Squarylium compound, light-emitting composition, and light-emitting film26 Aug 2021US 2021/0261858 A1Konica Minolta, Inc.
- Compounds and organic electronic devices20 May 2021US 2021/0151682 A1Merck Patent GmbH
- O-hydroxy-functionalized diamines, polyimides, methods of making each, and methods of use18 Jul 2019US 2019/0218345 A1King Abdullah University of Science and Technology
- Novel organic compound and organic electroluminescent element comprising same3 Jan 2019US 2019/0006592 A1Material Science Co., Ltd.
Most cited
By later US patents
- Compounds and organic electronic devices22US 9,882,142 B2Merck Patent GmbH · 2018
- Diphenol compound, aromatic polycarbonate and electrophotoconductive photoconductor19US 6,664,361 B2Ricoh Company, Ltd. · 2003
- Crysene derivatives15US 4,719,046 ABurroughs Wellcome Co. · 1988
- BAX agonist, compositions, and methods related thereto2US 9,040,567 B2Board of Regents, The University of Texas System · 2015
- O-hydroxy-functionalized diamines, polyimides, methods of making each, and methods of use1US 10,240,001 B2King Abdullah University of Science and Technology · 2019