B41M 5/1455
Characterised by fluoran compounds
Official title: {characterised by fluoran compounds}
B41M5/1455 (Characterised by fluoran compounds) appears on 134 US grants and 14 published applications in this corpus.
Search patents in B41M- Granted patents
- 134
- Published applications
- 14
- Assignees
- 41
- Inventors
- 175
- Latest grant
- 28 Jun 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 19 | 0 |
| 1977 | 8 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 11 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 9 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 0 |
| 2004 | 0 | 5 |
| 2005 | 1 | 0 |
| 2006 | 2 | 1 |
| 2007 | 5 | 2 |
| 2008 | 0 | 3 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Recording material and recording sheet28 Jun 2022US 11,370,240 B2Nippon Soda Co., Ltd.
- Colour-forming materials, contact recording devices and pressure recording devices28 Mar 2017US 9,604,485 B2Active Device Development Limited
- Coating compositions for marking substrates24 Jan 2012US 8,101,544 B2Datalase Ltd.
- Imaging system17 Mar 2009US 7,504,360 B2Zink Imaging, Inc.
- Dye complexes and use thereof in imaging members and methods16 Oct 2007US 7,282,317 B2Zink Imaging, Inc.
- Recording material and recording sheet19 Dec 2019US 2019/0381820 A1Nippon Soda Co., Ltd.
- Colour-Forming Materials, Contact Recording Devices and Pressure Recording Devices8 Oct 2015US 2015/0283839 A1Active Device Development Limited
- Imaging system21 Jan 2010US 2010/0016154 A1Zink Imaging, Inc.
- Coating Compositions for Marking Substrates28 Aug 2008US 2008/0207444 A1Datalase Ltd.
- Novel dyes and use thereof in thermal imaging members and methods6 Mar 2008US 2008/0058524 A1Zink Imaging, Inc.
Most cited
By later US patents
- Image recording members70US 4,390,616 AFuji Photo Film Co., Ltd. · 1983
- Recording material and process of using61US 5,196,297 APolaroid Corporation · 1993
- Chromogenic fluoran derivatives and the preparation and use thereof44US 3,959,571 AShin Nisso Kako Co., Ltd. · 1976
- Dyes and use thereof in thermal imaging members and methods22US 7,279,264 B2Zink Imaging, Inc. · 2007
- Dyes and use thereof in imaging members and methods21US 7,008,759 B2Polaroid Corporation · 2006