D21H 17/49
With compounds containing hydrogen bound to nitrogen
Official title: with compounds containing hydrogen bound to nitrogen
D21H17/49 (With compounds containing hydrogen bound to nitrogen) appears on 168 US grants and 87 published applications in this corpus.
Search patents in D21H- Granted patents
- 168
- Published applications
- 87
- Assignees
- 119
- Inventors
- 377
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 12 | 0 |
| 1978 | 9 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 8 | 0 |
| 1982 | 2 | 0 |
| 1983 | 7 | 0 |
| 1984 | 7 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 1 |
| 2003 | 3 | 4 |
| 2004 | 8 | 6 |
| 2005 | 2 | 4 |
| 2006 | 3 | 6 |
| 2007 | 4 | 12 |
| 2008 | 0 | 5 |
| 2009 | 2 | 6 |
| 2010 | 2 | 3 |
| 2011 | 1 | 3 |
| 2012 | 2 | 2 |
| 2013 | 3 | 3 |
| 2014 | 2 | 3 |
| 2015 | 3 | 4 |
| 2016 | 0 | 5 |
| 2017 | 3 | 6 |
| 2018 | 5 | 0 |
| 2019 | 3 | 1 |
| 2020 | 1 | 2 |
| 2021 | 2 | 1 |
| 2022 | 2 | 2 |
| 2023 | 1 | 2 |
| 2024 | 0 | 4 |
| 2025 | 1 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods for manufacturing laminate, impregnated decorative paper and laminate obtained thereby25 Aug 2026US 12,715,206 B2Unilin BV
- Coated articles and their method of manufacturing and use28 Apr 2026US 12,612,733 B2Surfactor Germany GmbH
- Method for manufacturing a laminate, an aminoplast resin catalyst used therein, and a laminate obtained thereby23 Dec 2025US 12,502,880 B2Unilin BV
- Additive based on water-soluble polymers and uses thereof18 Apr 2023US 11,629,211 B2Snf Group
- Paper strength improving composition, manufacture thereof and use in paper making27 Sep 2022US 11,453,979 B2Kemira Oyj
- Fluorine-containing compound13 Nov 2025US 2025/0346778 A1Daikin Industries, Ltd.
- Thermosetting resin composition for laminate panel, method for manufacturing a panel with a thermosetting resin composition and a laminate panel comprising a thermosetting resin7 Nov 2024US 2024/0368395 A1Flooring Industries Limited, Sarl
- Methods for manufacturing laminate, impregnated decorative paper and laminate obtained thereby23 May 2024US 2024/0165941 A1Flooring Industries Limited, Sarl
- Use of non-halogen fire retardant composition for indirect fire protection layers on substrates28 Mar 2024US 2024/0102248 A1
- Method for manufacturing a laminate, an aminoplast resin catalyst used therein, and a laminate obtained thereby7 Mar 2024US 2024/0075729 A1Flooring Industries Limited, Sarl
Most cited
By later US patents
- Conductive laminate flooring134US 4,724,187 ANevamar Corporation · 1988
- Nonwoven glass fiber mat for facing gypsum board and method of making69US 5,772,846 AJohns Manville International, Inc. · 1998
- Crosslinked vinyl alcohol/vinylamine copolymers for dry end paper addition68US 5,281,307 AAir Products and Chemicals, Inc. · 1994
- Fibrous mat especially suitable for roofing products67US 4,112,174 AJohns Manville · 1978
- Fire retardant nonwoven mat and method of making67US 5,840,413 AJohns Manville International, Inc. · 1998