B41M 5/1555
Inorganic mineral developers
Official title: {Inorganic mineral developers, e.g. clays}
B41M5/1555 (Inorganic mineral developers) appears on 64 US grants and 5 published applications in this corpus.
Search patents in B41M- Granted patents
- 64
- Published applications
- 5
- Assignees
- 29
- Inventors
- 80
- Latest grant
- 21 Jul 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 9 | 0 |
| 1978 | 8 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- CF paper21 Jul 2020US 10,718,089 B2Papierfabrik August Koehler SE
- Colour-forming materials, contact recording devices and pressure recording devices28 Mar 2017US 9,604,485 B2Active Device Development Limited
- Latent image developing systems and devices4 Sep 2007US 7,265,077 B1
- Image developing device8 Aug 2006US 7,087,265 B1
- Record material30 Oct 2001US 6,310,002 B1Appleton Papers Inc.
- Cf paper27 Apr 2017US 2017/0114502 A1Papierfabrik August Koehler SE
- Colour-Forming Materials, Contact Recording Devices and Pressure Recording Devices8 Oct 2015US 2015/0283839 A1Active Device Development Limited
- Note pad containing carbonless color-developing material26 Apr 2012US 2012/0100988 A1Taiwan Hopax Chemicals Mfg. Co., Ltd.
- Note pad containing carbonless color-developing material19 Jan 2012US 2012/0015174 A1Taiwan Hopax Chemicals Mfg. Co., Ltd.
- Invisible ink7 Apr 2005US 2005/0075420 A1
Most cited
By later US patents
- Anionically modified organophilic clays and their preparation103US 4,434,075 ANL Industries, Inc. · 1984
- Scratch card, and method and apparatus for validation of the same34US 6,047,964 ASpectra Science Corporation · 2000
- Coating compositions for the production of a recording material20US 4,348,234 ACiba-Geigy Corporation · 1982
- Color developing coating compositions containing reactive pigments particularly for manifold copy paper16US 4,022,735 AYara Engineering Corporation · 1977
- Clay-coated record material of improved image durability15US 3,963,852 AMoore Business Forms, Inc. · 1976