D21H 17/51
Triazines
Official title: Triazines, e.g. melamine
D21H17/51 (Triazines) appears on 90 US grants and 57 published applications in this corpus.
Search patents in D21H- Granted patents
- 90
- Published applications
- 57
- Assignees
- 74
- Inventors
- 225
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 2 |
| 2004 | 4 | 2 |
| 2005 | 1 | 2 |
| 2006 | 1 | 6 |
| 2007 | 3 | 8 |
| 2008 | 0 | 3 |
| 2009 | 2 | 5 |
| 2010 | 2 | 3 |
| 2011 | 1 | 2 |
| 2012 | 0 | 1 |
| 2013 | 2 | 2 |
| 2014 | 0 | 1 |
| 2015 | 3 | 3 |
| 2016 | 0 | 3 |
| 2017 | 1 | 4 |
| 2018 | 4 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 2 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 2 |
| 2024 | 0 | 4 |
| 2025 | 1 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- Strength additive system and method for manufacturing a web comprising cellulosic fibres8 Feb 2022US 11,242,653 B2Kemira Oyj
- Biocidal resin composition including one or a plurality of resins selected from MF, UF, PF, MUF and phenolic resins; and more than one soluble copper salt1 Jun 2021US 11,019,824 B2
- 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
- Impregnated core paper for decorative laminate21 Dec 2023US 2023/0407572 A1Ahlstrom-Munksjö Oyj
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
- Fire retardant nonwoven mat and method of making67US 5,840,413 AJohns Manville International, Inc. · 1998
- Apparatus for distribution of particles on paper, process for providing paper with particles and particle coated paper50US 6,558,754 B1Pergo (Europe) AB · 2003
- Non-woven fiber mat and method for forming same44US 5,972,166 AOwens Corning Fiberglass Technology, Inc. · 1999