Y10S 423/03
Papermaking liquor
Y10S423/03 (Papermaking liquor) appears on 108 US grants and 3 published applications in this corpus.
Search patents in Y10S- Granted patents
- 108
- Published applications
- 3
- Assignees
- 61
- Inventors
- 167
- Latest grant
- 6 Nov 2007
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 8 | 0 |
| 1980 | 7 | 0 |
| 1981 | 6 | 0 |
| 1982 | 6 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 8 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 8 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for causticizing green liquor in chemical recovery from black liquor in alkaline pulping6 Nov 2007US 7,291,245 B2
- Processes for preparing calcium carbonate28 Aug 2007US 7,261,869 B2Nippon Paper Industries Co., Ltd.
- Process for preparing calcium carbonate30 Sep 2003US 6,627,170 B2Nippon Paper Industries Co., Ltd.
- Treatment of pulp mill condensate with ozone19 Feb 2002US 6,348,129 B1
- Process for detoxifying waste materials by steam reformation through endothermic gasification reactions21 Nov 2000US 6,149,765 AManufacturing and Technology Conversion International, Inc.
Most cited
By later US patents
- Indirectly heated thermochemical reactor apparatus and processes143US 5,059,404 AManufacturing and Technology Conversion International, Inc. · 1991
- Process for detoxifying waste materials by steam reformation through endothermic gasification reactions104US 6,149,765 AManufacturing and Technology Conversion International, Inc. · 2000
- Indirectly heated thermochemical reactor apparatus and processes101US 5,306,481 AManufacturing and Technology Conversion International, Inc. · 1994
- Endothermic spent liquor recovery process89US 5,637,192 AManufacturing and Technology Conversion International, Inc. · 1997
- Method of operating a spent pulping liquor combustion apparatus43US 4,522,685 AInternational Paper Company · 1985