C09B 5/02
The heterocyclic ring being only condensed in peri position
Official title: the heterocyclic ring being {only} condensed in peri position
C09B5/02 (The heterocyclic ring being only condensed in peri position) appears on 138 US grants and 76 published applications in this corpus.
Search patents in C09B- Granted patents
- 138
- Published applications
- 76
- Assignees
- 63
- Inventors
- 289
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 7 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 8 | 0 |
| 1981 | 5 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 0 |
| 2003 | 4 | 2 |
| 2004 | 1 | 4 |
| 2005 | 4 | 4 |
| 2006 | 4 | 9 |
| 2007 | 6 | 2 |
| 2008 | 1 | 4 |
| 2009 | 4 | 7 |
| 2010 | 10 | 10 |
| 2011 | 4 | 5 |
| 2012 | 3 | 4 |
| 2013 | 4 | 2 |
| 2014 | 2 | 7 |
| 2015 | 9 | 1 |
| 2016 | 3 | 4 |
| 2017 | 0 | 2 |
| 2018 | 3 | 3 |
| 2019 | 2 | 1 |
| 2020 | 1 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Simultaneously dyeing and flame-retardant finishing method for polyester based textile6 Oct 2026US 12,753,549 B2Daikyo Chemical Co., Ltd.
- Aqueous additive solution for ink composition, aqueous colorant solution for ink composition, ink composition, ink composition for ink jet recording, and ink jet recording method2 Sep 2025US 12,404,417 B2FUJIFILM Corporation
- LED lighting elements comprising molded parts made of translucent polycarbonate compositions having a deep gloss effect7 Mar 2023US 11,598,495 B2Covestro Deutschland AG
- Magenta ink for inkjet27 Sep 2022US 11,453,792 B2Toyo Ink Sc Holdings Co., Ltd.
- Additive for quality determination of adhesive bond primers3 Aug 2021US 11,078,386 B2Hamilton Sundstrand Corporation
- Aqueous additive solution for ink composition, aqueous colorant solution for ink composition, ink composition, ink composition for ink jet recording, and ink jet recording method18 Jan 2024US 2024/0018376 A1FUJIFILM Corporation
- Simultaneously dyeing and flame-retardant finishing method for polyester based textile30 Mar 2023US 2023/0101712 A1Daikyo Chemical Co., Ltd.
- Led lighting elements comprising molded parts made of translucent polycarbonate compositions having a deep gloss effect4 Jun 2020US 2020/0173616 A1Covestro Deutschland AG
- Additive for quality determination of adhesive bond primers9 Apr 2020US 2020/0109317 A1Hamilton Sundstrand Corporation
- Magenta ink for inkjet31 Oct 2019US 2019/0330486 A1Toyo Ink Co., Ltd.
Most cited
By later US patents
- Method and apparatus for displaying indications of instructions in previously recorded messages63US 4,677,501 ADictaphone Corporation · 1987
- Ink-jet color printing system51US 4,446,470 AFuji Photo Film Co., Ltd. · 1984
- Condensation copolymers containing copolymerized isoquinoline derivative colorants and products therefrom47US 4,740,581 AEastman Kodak Company · 1988
- Pigment compositions41US 4,310,359 AToyo Ink Manufacturing Co., Ltd. · 1982
- Organic semiconductors and their manufacture37US 8,101,776 B2BASF SE · 2012