D21C 9/1078
With mn-containing compounds
Official title: {with Mn-containing compounds}
D21C9/1078 (With mn-containing compounds) appears on 4 US grants and 5 published applications in this corpus.
Search patents in D21C- Granted patents
- 4
- Published applications
- 5
- Assignees
- 5
- Inventors
- 15
- Latest grant
- 27 Oct 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 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 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 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 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Oxidative method27 Oct 2020US 10,815,616 B2Catexel Technologies Limited
- Enhanced catalyst stability in activated peroxygen and/or alkaline detergent formulations18 Apr 2017US 9,624,119 B2Ecolab USA Inc.
- Process for the delignifcation and bleaching of a lignocellulose material20 May 1997US 5,630,906 AElf Aquitaine Production
- Manganic ion delignification of lignocellulosic material27 Feb 1979US 4,141,786 AInternational Paper Company
- Oxidative method5 Apr 2018US 2018/0094384 A1Catexel Technologies Limited
- Low Capital Bleaching of Chemical Pulp21 Sep 2017US 2017/0268171 A1Ecolab USA Inc.
- Enhanced catalyst stability in activated peroxygen and/or alkaline detergent formulations17 Dec 2015US 2015/0361383 A1Ecolab USA Inc.
- Freeness of paper products2 Jan 2014US 2014/0000824 A9Catexel Limited
- Freeness of paper products23 May 2013US 2013/0126111 A1Catexel Limited
Most cited
By later US patents
- Process for the delignifcation and bleaching of a lignocellulose material41US 5,630,906 AElf Aquitaine Production · 1997
- Enhanced catalyst stability in activated peroxygen and/or alkaline detergent formulations10US 9,624,119 B2Ecolab USA Inc. · 2017
- Manganic ion delignification of lignocellulosic material8US 4,141,786 AInternational Paper Company · 1979