D21H 19/38
Characterised by the pigments
Official title: characterised by the pigments
D21H19/38 (Characterised by the pigments) appears on 969 US grants and 994 published applications in this corpus.
Search patents in D21H- Granted patents
- 969
- Published applications
- 994
- Assignees
- 500
- Inventors
- 2,201
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 7 | 0 |
| 1978 | 7 | 0 |
| 1979 | 6 | 0 |
| 1980 | 14 | 0 |
| 1981 | 7 | 0 |
| 1982 | 8 | 0 |
| 1983 | 4 | 0 |
| 1984 | 10 | 0 |
| 1985 | 8 | 0 |
| 1986 | 9 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 19 | 0 |
| 1990 | 21 | 0 |
| 1991 | 12 | 0 |
| 1992 | 22 | 0 |
| 1993 | 22 | 0 |
| 1994 | 19 | 0 |
| 1995 | 16 | 0 |
| 1996 | 18 | 0 |
| 1997 | 21 | 0 |
| 1998 | 22 | 0 |
| 1999 | 31 | 0 |
| 2000 | 15 | 0 |
| 2001 | 14 | 3 |
| 2002 | 23 | 19 |
| 2003 | 25 | 40 |
| 2004 | 22 | 43 |
| 2005 | 14 | 37 |
| 2006 | 14 | 45 |
| 2007 | 20 | 28 |
| 2008 | 9 | 35 |
| 2009 | 12 | 38 |
| 2010 | 27 | 48 |
| 2011 | 20 | 37 |
| 2012 | 24 | 38 |
| 2013 | 27 | 30 |
| 2014 | 26 | 33 |
| 2015 | 24 | 44 |
| 2016 | 20 | 28 |
| 2017 | 30 | 56 |
| 2018 | 36 | 53 |
| 2019 | 40 | 50 |
| 2020 | 33 | 47 |
| 2021 | 38 | 40 |
| 2022 | 30 | 47 |
| 2023 | 32 | 38 |
| 2024 | 25 | 51 |
| 2025 | 17 | 33 |
| 2026 | 25 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Polylactide formulation for improved extrusion processing6 Oct 2026US 12,753,555 B2WestRock MWV, LLC
- Polymer compositions and coatings22 Sep 2026US 12,742,090 B2The Penn State Research Foundation
- Laminate and roll22 Sep 2026US 12,742,290 B2Toppan Holdings Inc.
- Coated paper for use as packaging material15 Sep 2026US 12,735,844 B2Neenah Gessner GmbH
- Coated paper18 Aug 2026US 12,709,844 B2Koehler Innovation & Technology GmbH
- Single layer coated white kraftliner8 Oct 2026US 2026/0308847 A1
- Base paper for metallized paper, metallized paper, and packaging bag24 Sep 2026US 2026/0286609 A1Oji Holdings Corporation
- Barrier-coated cellulose-based substrate, laminated packaging material and packaging container comprising the cellulose-based substrate17 Sep 2026US 2026/0274535 A1Tetra Laval Holdings & Finance S. A.
- Coated barrier paper17 Sep 2026US 2026/0275641 A1Billerud Aktiebolag (publ)
- Swellable clay containing water-based barrier coating and method of making the same17 Sep 2026US 2026/0275644 A1Specialty Minerals (Michigan) Inc.
Most cited
By later US patents
- Ink jet recording sheet119US 4,460,637 AMitsubushi Paper Mills, Ltd. · 1984
- Process for preparing an aqueous dispersion116US 5,663,224 ARohm and Haas Company · 1997
- Hollow sphere organic pigment for paper or paper coatings75US 6,139,961 ARohm and Haas Company · 2000
- Low density material containing a vegetable filler74US 5,227,024 A1993
- Process of manufacturing authenticatable paper products73US 6,054,021 AWestvaco Corporation · 2000