D21H 19/828
Two superposed coatings, the first applied being non-pigmented and the second applied
Official title: {two superposed coatings, the first applied being non-pigmented and the second applied being pigmented}
D21H19/828 (Two superposed coatings, the first applied being non-pigmented and the second applied) appears on 39 US grants and 64 published applications in this corpus.
Search patents in D21H- Granted patents
- 39
- Published applications
- 64
- Assignees
- 51
- Inventors
- 161
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 2 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 2 |
| 2018 | 1 | 3 |
| 2019 | 2 | 5 |
| 2020 | 3 | 6 |
| 2021 | 3 | 7 |
| 2022 | 1 | 4 |
| 2023 | 5 | 7 |
| 2024 | 3 | 10 |
| 2025 | 4 | 4 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flame-proof corrugated paperboard and method for producing same8 Sep 2026US 12,729,485 B2Rengo Co., Ltd.
- Aqueous ethyl cellulose dispersion21 Jul 2026US 12,686,973 B2Kemira Oyj
- Paper product for flow wrapping19 May 2026US 12,630,746 B2Billerud Aktiebolag (publ)
- Cellulosic structures for high barrier applications19 May 2026US 12,630,979 B2WestRock MWV, LLC
- Paper-based flexible packaging material with high barrier properties and a process to produce it13 May 2025US 12,297,601 B2Societe des Produits Nestle S. A.
- Coated barrier paper24 Sep 2026US 2026/0286614 A1Billerud Aktiebolag (publ)
- Recording Method, Treatment Liquid Ink Set, And Recording Apparatus27 Aug 2026US 2026/0250539 A1Seiko Epson Corporation
- Coating composition for baking paper, coated baking paper, method for making said baking paper, and use of said coated baking paper9 Jul 2026US 2026/0191249 A1Heiwei B.V.
- Emulsions for biodegradable and recyclable paper coating16 Apr 2026US 2026/0103842 A1Board of Trustees of Michigan State University
- Decorative sheet13 Nov 2025US 2025/0346771 A1Toppan Holdings Inc.
Most cited
By later US patents
- Clay containing antistatic layer for photographic paper24US 5,891,611 AEastman Kodak Company · 1999
- Composite paper18US 4,946,372 AUnion Camp Corporation · 1990
- Resin-coated paper17US 5,328,749 AMitsubishi Paper Mills Limited · 1994
- Oil and grease resistant paper products and process for producing the products17US 5,876,815 AJames River Corporation of Virginia · 1999
- Method for fabricating shaped paper products12US 10,767,313 B2Golden Arrow Printing Technology (Kunshan) Co., Ltd. · 2020