D21H 5/0007
Pretreatment of paper to which liquids or other fluent materials are to
Official title: {Pretreatment of paper to which liquids or other fluent materials are to be applied}
D21H5/0007 (Pretreatment of paper to which liquids or other fluent materials are to) appears on 4 US grants and 1 published applications in this corpus.
Search patents in D21H- Granted patents
- 4
- Published applications
- 1
- Assignees
- 4
- Inventors
- 8
- Latest grant
- 22 Nov 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 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 | 0 | 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 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Wet strength treated paper and paperboard22 Nov 2016US 9,499,944 B2Georgia-Pacific Chemicals LLC
- Fibrous web saturator20 May 1986US 4,590,099 AR & R Research & Development, Inc.
- Process for producing heat-sensitive recording paper18 Mar 1986US 4,576,831 AFuji Photo Film Co., Ltd.
- Process for producing dry finished paperboard15 Sep 1981US 4,289,808 AWestvaco Corporation
Most cited
By later US patents