C09B 31/28
Heterocyclic compounds
C09B31/28 (Heterocyclic compounds) appears on 30 US grants and 25 published applications in this corpus.
Search patents in C09B- Granted patents
- 30
- Published applications
- 25
- Assignees
- 16
- Inventors
- 73
- Latest grant
- 18 Jun 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 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 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 3 |
| 2006 | 2 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 2 | 3 |
| 2010 | 0 | 2 |
| 2011 | 3 | 4 |
| 2012 | 1 | 2 |
| 2013 | 3 | 3 |
| 2014 | 2 | 3 |
| 2015 | 5 | 0 |
| 2016 | 2 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Color polarizing film, antireflective film and display device18 Jun 2019US 10,324,333 B2Samsung Electronics Co., Ltd.
- Polarizing film and display device including the polarizing film10 May 2016US 9,335,442 B1Samsung Electronics Co., Ltd.
- Composition for polarizing film, polarizing film, and display device including the polarizing film23 Feb 2016US 9,268,065 B1Samsung Electronics Co., Ltd.
- Polarizing film and display device including the polarizing film8 Dec 2015US 9,207,359 B2Samsung Electronics Co., Ltd.
- Polarizing film and display device including the polarizing film24 Nov 2015US 9,194,980 B2Samsung Electronics Co., Ltd.
- Ink set, ink cartridge, ink jet printer, and ink jet recording method9 Jul 2020US 2020/0216701 A1FUJIFILM Corporation
- Color polarizing film, antireflective film and display device24 Aug 2017US 2017/0242296 A1Samsung Electronics Co., Ltd.
- Benefit agent delivery compositions19 May 2016US 2016/0137956 A1The Procter & Gamble Company
- Polarizing film and display device including the polarizing film15 May 2014US 2014/0131643 A1Samsung Electronics Co., Ltd.
- Polarizing film and display device including the polarizing film8 May 2014US 2014/0124714 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Ink set, inkjet recording method and recorded material9US 8,372,190 B2FUJIFILM Corporation · 2013
- Trisazo dyes for ink jet printing7US 7,052,538 B2Avecia Limited · 2006
- Trisazo compound, ink composition, recording method, and colored article7US 8,167,991 B2Nippon Kayaku Kabushiki Kaisha · 2012
- Dichroic liquid crystal compositions made with asymmetric tris-azo dyes6US 4,411,812 AGeneral Electric Company · 1983
- Process for preparing 2,3-dihydro-1,3-dialkyl-2,3-dialkyl perimidines and N,N-'-dialkyl-1,8-naphthalene diamines6US 5,097,029 AHercules Incorporated · 1992