D21H 23/44
Treatment with a gas or vapour
D21H23/44 (Treatment with a gas or vapour) appears on 11 US grants and 14 published applications in this corpus.
Search patents in D21H- Granted patents
- 11
- Published applications
- 14
- Assignees
- 19
- Inventors
- 50
- Latest grant
- 20 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Hot-press gas grafting hydrophobization apparatus, and eco-friendly oil-absorbing low- weight paper manufactured using same20 Feb 2024US 11,905,664 B2Daehan Paper Co., Ltd.
- Polymer coated paperboard container and method17 May 2022US 11,332,281 B2Altria Client Services LLC
- Method for producing paper impregnated by a supercritical-pressure fluid, and impregnated, particularly coloured paper17 Aug 2021US 11,091,878 B2Arjo Wiggins Fine Papers Limited
- Polymer coated paperboard container and method31 Mar 2020US 10,604,302 B2Altria Client Services LLC
- Treatment of fibrous materials using atmospheric pressure plasma polymerization13 Oct 2015US 9,157,191 B2APJeT, Inc.
- Gas barrier laminate and packaging17 Oct 2024US 2024/0344273 A1Toppan Inc.
- Method16 Nov 2023US 2023/0366152 A1Pa Knowledge Limited
- Method for hydrophobizing a cellulose substrate by utilizing a fatty acid halide13 Jan 2022US 2022/0010493 A1Stora Enso OYJ
- Method for hydrophobizing a cellulose substrate by utilizing a fatty acid halide6 Jan 2022US 2022/0002949 A1Stora Enso OYJ
- Hot-press gas grafting hydrophobization apparatus, and eco-friendly oil-absorbing low-weight paper manufactured using same9 Dec 2021US 2021/0381171 A1Centre Technique De L' Industrie Des Papiers, Cartons Et Celluloses
Most cited
By later US patents
- Applying a fluoropolymer film to a body27US 5,773,098 ABritish Technology Group Limited · 1998
- Hydridoaminosilane treatment for rendering surfaces water-repellent18US 4,789,564 AUnion Carbide Corporation · 1988
- Gas plasma treatment for water and oil proofing of fabrics and paper12US 5,328,576 APlasma Plus · 1994
- Surface coatings11US 6,551,950 B1The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland · 2003
- Nozzle structure for moistening or impregnating a web10US 4,321,760 ABachofen & Meier · 1982