Y10S 162/08
Chlorine-containing liquid regeneration
Y10S162/08 (Chlorine-containing liquid regeneration) appears on 48 US grants and 3 published applications in this corpus.
Search patents in Y10S- Granted patents
- 48
- Published applications
- 3
- Assignees
- 26
- Inventors
- 78
- Latest grant
- 11 Jul 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 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 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 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 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Use of fly ash to treat spent liquor from a thermomechanical pulping process11 Jul 2017US 9,702,083 B2Lakehead University
- BCTMP filtrate recycling system and method7 Apr 2015US 8,999,114 B2International Paper Company
- BCTMP filtrate recycling system and method17 Jun 2014US 8,753,477 B2International Paper Company
- Process for treating wastewater from a bleach plant30 Jul 2002US 6,425,974 B1Akzo Nobel N. V.
- Method for treating process water in connection with pulp bleaching18 Sep 2001US 6,290,812 B1Kemira Kemi AB
- Use of Fly Ash to Treat Spent Liquor from a Thermomechanical Pulping Process4 Aug 2016US 2016/0222587 A1Lakehead University
- BCTMP Filtrate Recycling System and Method26 Jun 2014US 2014/0174679 A1International Paper Company
- BCTMP Filtrate Recycling System and Method29 Sep 2011US 2011/0232853 A1International Paper Company
Most cited
By later US patents
- Bleach plant filtrate recovery21US 4,039,372 AErco Envirotech Ltd. · 1977
- Chlorine-based bleachery effluent treatment12US 3,986,951 AChampion International Corporation · 1976
- Method of treating pulp bleaching effluents12US 4,268,350 AEKA Aktiebolag · 1981
- Method of reducing waste stream pollutants by the control and separation of waste contaminants from a multi-stage cellulosic bleaching sequence11US 4,259,149 AHooker Chemicals & Plastics Corporation · 1981
- Reducing pulp mill liquid discharge11US 5,380,402 AKamyr, Inc. · 1995