C09B 68/4677
6-membered rings
Official title: {6-Membered rings}
C09B68/4677 (6-membered rings) appears on 24 US grants and 12 published applications in this corpus.
Search patents in C09B- Granted patents
- 24
- Published applications
- 12
- Assignees
- 10
- Inventors
- 26
- Latest grant
- 18 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 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 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 2 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 2 | 2 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Pyridine and pyrimidine substituted triazine UV absorbers18 Feb 2025US 12,227,898 B2Archroma (Switzerland) GmbH
- Pyridine and pyrimidine substituted triazine UV absorbers12 Dec 2023US 11,840,804 B2Huntsman Textile Effects (Switzerland) GmbH
- Modified colorants and inkjet ink compositions comprising modified colorants8 May 2018US 9,963,592 B2Cabot Corporation
- Modified colorants and inkjet ink compositions comprising modified colorants15 Aug 2017US 9,732,227 B2Cabot Corporation
- Modified colorants and inkjet ink compositions comprising modified colorants8 Aug 2017US 9,725,598 B2Cabot Corporation
- New Pyridine And Pyrimidine Substituted Triazine UV Absorbers28 Mar 2024US 2024/0102236 A1Huntsman Advanced Materials (Switzerland) GmbH
- New pyridine and pyrimidine substituted triazine UV absorbers4 Nov 2021US 2021/0340705 A1Huntsman Advanced Materials (Switzerland) GmbH
- Modified colorants and inkjet ink compositions comprising modified colorants26 Oct 2017US 2017/0306156 A1Cabot Corporation
- Modified Colorants and Inkjet Ink Compositions Comprising Modified Colorants26 Oct 2017US 2017/0306157 A1Cabot Corporation
- Electrophoretic display having charged fluorescent dendrimer particles12 May 2016US 2016/0131957 A1Empire Technology Development LLC
Most cited
By later US patents
- Fluorescent carbamate-modified phthalocyanine pigments46US 5,811,543 ACiba Speciality Chemicals Corporation · 1998
- Fluorescent quinacridone pigments31US 5,561,232 ACiba-Geigy Corporation · 1996
- Pyrrolo[3,4-c]pyrroles29US 5,484,943 ACiba-Geigy Corporation · 1996
- Modified colorants and inkjet ink compositions comprising modified colorants27US 8,858,695 B2Cabot Corporation · 2014
- Pyrrolo[3,4-C]pyrrole synthesis14US 5,616,725 ACiba-Geigy Corporation · 1997