D21H 17/67
Water-insoluble compounds
Official title: Water-insoluble compounds, e.g. fillers, pigments
D21H17/67 (Water-insoluble compounds) appears on 1,276 US grants and 1,191 published applications in this corpus.
Search patents in D21H- Granted patents
- 1,276
- Published applications
- 1,191
- Assignees
- 574
- Inventors
- 2,599
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 6 | 0 |
| 1978 | 8 | 0 |
| 1979 | 8 | 0 |
| 1980 | 10 | 0 |
| 1981 | 13 | 0 |
| 1982 | 5 | 0 |
| 1983 | 14 | 0 |
| 1984 | 11 | 0 |
| 1985 | 13 | 0 |
| 1986 | 16 | 0 |
| 1987 | 9 | 0 |
| 1988 | 22 | 0 |
| 1989 | 27 | 0 |
| 1990 | 31 | 0 |
| 1991 | 20 | 0 |
| 1992 | 32 | 0 |
| 1993 | 33 | 0 |
| 1994 | 20 | 0 |
| 1995 | 12 | 0 |
| 1996 | 28 | 0 |
| 1997 | 39 | 0 |
| 1998 | 37 | 0 |
| 1999 | 29 | 0 |
| 2000 | 33 | 0 |
| 2001 | 31 | 8 |
| 2002 | 33 | 34 |
| 2003 | 25 | 57 |
| 2004 | 35 | 57 |
| 2005 | 17 | 54 |
| 2006 | 17 | 51 |
| 2007 | 26 | 50 |
| 2008 | 11 | 44 |
| 2009 | 19 | 43 |
| 2010 | 28 | 56 |
| 2011 | 35 | 41 |
| 2012 | 38 | 40 |
| 2013 | 33 | 53 |
| 2014 | 37 | 48 |
| 2015 | 37 | 88 |
| 2016 | 31 | 48 |
| 2017 | 44 | 60 |
| 2018 | 45 | 49 |
| 2019 | 42 | 55 |
| 2020 | 49 | 44 |
| 2021 | 37 | 57 |
| 2022 | 39 | 42 |
| 2023 | 23 | 38 |
| 2024 | 25 | 32 |
| 2025 | 22 | 22 |
| 2026 | 11 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Polymer compositions and coatings22 Sep 2026US 12,742,090 B2The Penn State Research Foundation
- Method for producing wet-running friction paper28 Jul 2026US 12,692,663 B2Schaeffler Technologies AG & Co. KG
- Method of controlling enzymatic activities and tools related thereto21 Jul 2026US 12,686,971 B2Kemira Oyj
- Method for producing a green paper for producing a gas diffusion layer for a fuel cell23 Jun 2026US 12,665,202 B2Giesecke+Devrient Currency Technology GmbH
- Barrier-coated cellulose-based substrate, laminated packaging material and packaging container comprising the cellulose-based substrate2 Jun 2026US 12,643,724 B2Tetra Laval Holdings & Finance S. A.
- Ceiling basemat water reduction through strategic use of pressing and vacuuming17 Sep 2026US 2026/0275636 A1USG Interiors, Inc.
- Microbial Cellulose-Based Paper3 Sep 2026US 2026/0258605 A1Treeless AG
- Process for producing rigid cellulosic product20 Aug 2026US 2026/0243023 A1Honext Material, Sl
- Dual emulsification of alkenyl succinic anhydride to improve sizing performance and stability20 Aug 2026US 2026/0243024 A1Kemira Oyj
- Stretchable paper23 Jul 2026US 2026/0210057 A1Billerud Aktiebolag (publ)
Most cited
By later US patents
- Production of paper and paperboard198US 4,753,710 AAllied Colloids Limited · 1988
- Fibrous structures containing immobilized particulate matter181US 5,486,410 AHoechst Celanese Corporation · 1996
- Papermaking and products made thereby159US 4,388,150 AEKA Aktiebolag · 1983
- Reaction of carbon black with diazonium salts, resultant carbon black products and their uses157US 5,851,280 ACabot Corporation · 1998
- Aqueous inks and coatings containing modified carbon products156US 5,672,198 ACabot Corporation · 1997