D21H 17/16
Addition products thereof with hydrocarbons
D21H17/16 (Addition products thereof with hydrocarbons) appears on 137 US grants and 97 published applications in this corpus.
Search patents in D21H- Granted patents
- 137
- Published applications
- 97
- Assignees
- 76
- Inventors
- 323
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 7 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 6 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 9 | 0 |
| 2002 | 10 | 1 |
| 2003 | 3 | 3 |
| 2004 | 3 | 2 |
| 2005 | 0 | 3 |
| 2006 | 0 | 9 |
| 2007 | 0 | 1 |
| 2008 | 2 | 8 |
| 2009 | 1 | 7 |
| 2010 | 4 | 7 |
| 2011 | 4 | 5 |
| 2012 | 7 | 7 |
| 2013 | 3 | 1 |
| 2014 | 4 | 4 |
| 2015 | 1 | 2 |
| 2016 | 0 | 7 |
| 2017 | 6 | 3 |
| 2018 | 4 | 0 |
| 2019 | 2 | 3 |
| 2020 | 0 | 1 |
| 2021 | 3 | 3 |
| 2022 | 2 | 4 |
| 2023 | 2 | 8 |
| 2024 | 4 | 4 |
| 2025 | 4 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polymer dispersion, its use and process for its preparation10 Mar 2026US 12,570,781 B2Kemira Oyj
- Method for on-site glyoxylation of polyacrylamide11 Nov 2025US 12,467,204 B2Kemira Oyj
- Moisture/oil-resistant fiber/starch composite materials28 Oct 2025US 12,454,795 B2The United States of America as represented by the Secretary of Agriculture
- Water resistant materials for food-safe uses2 Sep 2025US 12,404,635 B2JL Darling LLC
- Biocomposite material25 Feb 2025US 12,234,607 B2Organoclick AB
- Dual emulsification of alkenyl succinic anhydride to improve sizing performance and stability20 Aug 2026US 2026/0243024 A1Kemira Oyj
- Coated paperboard19 Feb 2026US 2026/0049450 A1Billerud Aktiebolag (publ)
- Water resistant materials for food-safe uses13 Nov 2025US 2025/0347055 A1JL Darling LLC
- Water- and oil-repellent agent17 Jul 2025US 2025/0230610 A1Daiken Industries, Ltd.
- Surface sizing agent for paper and/or cardboard5 Dec 2024US 2024/0401279 A1Mondi AG
Most cited
By later US patents
- Method of sizing paper81US 4,040,900 ANational Starch and Chemical Corporation · 1977
- Decor sheet and decorative laminates prepared therefrom79US 5,601,930 AThe Mead Corporation · 1997
- Multi-ply paper product with moisture strike through resistance and method of making the same42US 7,799,169 B2Georgia-Pacific Consumer Products LP · 2010
- Multi-ply paper product with moisture strike through resistance and method of making the same36US 8,025,764 B2Georgia-Pacific Consumer Products LP · 2011
- Methods for reducing amine odor in paper33US 6,491,790 B1Bayer Aktiengesellschaft · 2002