D21H 25/06
Of impregnated or coated paper
Official title: of impregnated or coated paper (D21H25/08 takes precedence)
D21H25/06 (Of impregnated or coated paper) appears on 295 US grants and 214 published applications in this corpus.
Search patents in D21H- Granted patents
- 295
- Published applications
- 214
- Assignees
- 232
- Inventors
- 709
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 7 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 7 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 8 | 0 |
| 1990 | 6 | 0 |
| 1991 | 11 | 0 |
| 1992 | 9 | 0 |
| 1993 | 7 | 0 |
| 1994 | 2 | 0 |
| 1995 | 8 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 8 | 0 |
| 1999 | 9 | 0 |
| 2000 | 13 | 0 |
| 2001 | 19 | 4 |
| 2002 | 9 | 17 |
| 2003 | 14 | 15 |
| 2004 | 9 | 15 |
| 2005 | 9 | 4 |
| 2006 | 1 | 6 |
| 2007 | 5 | 5 |
| 2008 | 5 | 6 |
| 2009 | 2 | 2 |
| 2010 | 4 | 4 |
| 2011 | 2 | 4 |
| 2012 | 3 | 2 |
| 2013 | 1 | 6 |
| 2014 | 4 | 6 |
| 2015 | 4 | 12 |
| 2016 | 3 | 8 |
| 2017 | 8 | 8 |
| 2018 | 5 | 9 |
| 2019 | 2 | 10 |
| 2020 | 6 | 11 |
| 2021 | 9 | 9 |
| 2022 | 9 | 16 |
| 2023 | 6 | 8 |
| 2024 | 11 | 11 |
| 2025 | 2 | 11 |
| 2026 | 7 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Water resistant and repulpable compositions28 Jul 2026US 12,692,662 B2Neenah, Inc.
- Method for manufacturing a barrier film, and a barrier film14 Jul 2026US 12,680,232 B2Stora Enso OYJ
- Method for obtaining reinforced packaging paper5 May 2026US 12,618,199 B2Consejo Superior De Investigaciones Cientificas (Csic)
- Method for producing a structuring agent for texturing an embossable material surface, in particular a resin-containing laminate surface, and structuring agent of this kind21 Apr 2026US 12,605,867 B2Fritz Egger GmbH & Co. OG
- Dielectric heating of foamable compositions24 Mar 2026US 12,584,040 B2Henkel AG & Co. KGaA
- Coating composition, method for forming a coating and use30 Jul 2026US 2026/0217988 A1Innomost Oy
- Fiber-based materials containing graphene oxide7 May 2026US 2026/0125853 A1Northwestern University
- Method for preparing ultraviolet (uv)-degradable and functionalized cellulose paper-based colorimetric sensor, and application thereof29 Jan 2026US 2026/0029350 A1Hunan Agricultural University
- Decorative sheet15 Jan 2026US 2026/0015514 A1Toppan Holdings Inc.
- Method And System For Forming A Packaging Material1 Jan 2026US 2026/0001099 A1Graphic Packaging International, Inc.
Most cited
By later US patents
- Low density fiber-reinforced plastic composites206US 4,643,940 AThe Dow Chemical Company · 1987
- Multi-ply absorbent wiping product having relatively inextensible center ply bonded to highly extensible outer plies172US 3,953,638 AThe Procter & Gamble Company · 1976
- Internally-coated porous webs with controlled positioning of modifiers therein102US 5,869,172 ANextec Applications, Inc. · 1999
- Methods and apparatus for controlled placement of a polymer composition into a web96US 5,876,792 ANextec Applications, Inc. · 1999
- Garments of barrier webs81US 6,040,251 ANextec Applications, Inc. · 2000