D21H 17/19
By reactions only involving carbon-to-carbon unsaturated bonds
Official title: by reactions only involving carbon-to-carbon unsaturated bonds
D21H17/19 (By reactions only involving carbon-to-carbon unsaturated bonds) appears on 18 US grants and 5 published applications in this corpus.
Search patents in D21H- Granted patents
- 18
- Published applications
- 5
- Assignees
- 16
- Inventors
- 38
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Additive compositions for papermaking5 May 2026US 12,618,197 B2Solenis Technologies, L.P.
- Packing paper23 Apr 2024US 11,965,291 B2Mondi AG
- Surface sizing agent for papermaking14 Mar 2023US 11,603,630 B2Kurita Water Industries Ltd.
- Strong nanopaper25 Feb 2014US 8,658,287 B2Tetra Laval Holdings & Finance S. A.
- Synthetic fiber13 Dec 1988US 4,790,907 AIntera Corporation
- Fibrous sterilizable material for packaging of medical devices and tray obtained from the material22 Aug 2024US 2024/0279877 A1Ahlstrom Oyj
- Additive compositions for papermaking27 Jul 2023US 2023/0235509 A1Solenis Technologies, L.P.
- Packing paper22 Dec 2022US 2022/0403602 A1Mondi AG
- Surface sizing agent for papermaking26 Aug 2021US 2021/0262170 A1Kurita Water Industries Ltd.
- Strong Nanopaper30 Aug 2012US 2012/0216718 A1Tetra Laval Holdings & Finance S. A.
Most cited
By later US patents
- Composite structural material and method with load bearing applications43US 4,467,728 AEllis Paperboard Products, Inc. · 1984
- Transparent fibrous sheets20US 4,416,950 AAndrews Paper & Chemical Co., Inc. · 1983
- Radiation curable transparentizing resin systems, methods and products17US 4,237,185 AThe Richardson Company · 1980
- Air drying process14US 4,145,248 AMonsanto Company · 1979
- Wood fibrous material and a method for improving the qualities thereof14US 4,291,101 ANippon Oil and Fats Co., Ltd. · 1981