C09K 21/04
Containing phosphorus
Official title: containing phosphorus
C09K21/04 (Containing phosphorus) appears on 257 US grants and 294 published applications in this corpus.
Search patents in C09K- Granted patents
- 257
- Published applications
- 294
- Assignees
- 200
- Inventors
- 666
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 8 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 7 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 3 |
| 2002 | 4 | 8 |
| 2003 | 6 | 6 |
| 2004 | 7 | 7 |
| 2005 | 4 | 5 |
| 2006 | 3 | 8 |
| 2007 | 0 | 4 |
| 2008 | 2 | 8 |
| 2009 | 4 | 5 |
| 2010 | 3 | 8 |
| 2011 | 4 | 7 |
| 2012 | 3 | 12 |
| 2013 | 5 | 6 |
| 2014 | 2 | 15 |
| 2015 | 4 | 18 |
| 2016 | 12 | 19 |
| 2017 | 5 | 15 |
| 2018 | 7 | 8 |
| 2019 | 15 | 26 |
| 2020 | 12 | 12 |
| 2021 | 11 | 20 |
| 2022 | 11 | 32 |
| 2023 | 16 | 18 |
| 2024 | 18 | 10 |
| 2025 | 15 | 8 |
| 2026 | 8 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fire-retardant-treated wood composite panels for exterior applications or weather exposure during constructions1 Sep 2026US 12,723,401 B2Louisiana-Pacific Corp.
- High-heat and high-shear-resistant high-flame-retardant halogen-free flame-retardant compound system and use30 Jun 2026US 12,668,683 B2Jiangsu Liside New Material Co., Ltd.
- Flame retardant composition9 Jun 2026US 12,649,856 B2Borealis AG
- Long-term fire retardant with magnesium sulfate and corrosion inhibitors and methods for making and using same19 May 2026US 12,629,555 B2Perimeter Solutions LP
- Storage stable liquid fugitive colored fire-retardant concentrates10 Mar 2026US 12,570,902 B2Perimeter Solutions LP
- Storage stable liquid fugitive colored fire-retardant concentrates1 Oct 2026US 2026/0297428 A1Perimeter Solutions LP
- Fire retardant compositions containing one or more surfactants13 Aug 2026US 2026/0233045 A1Perimeter Solutions LP
- Polyketone resin composition with superior fire resistance and thermal runaway prevention performance2 Jul 2026US 2026/0184896 A1Desco Co., Ltd.
- Flame-retardant composition and related methods18 Jun 2026US 2026/0167832 A1Celestial Materials LLC
- Flame retardant composition4 Jun 2026US 2026/0152647 A1Borealis AG
Most cited
By later US patents
- Two-component on-site foam system and its use for foaming openings for the purpose of fire protection74US 6,706,774 B2Hilti Aktiengesellschaft · 2004
- Fire-retardant, intumescent composition and its use for the flameproofing of substrates, and as a fire-extinguishing agent comprising an ammonium salt, a water-soluble nitrogen compound as a blowing agent and dextrin71US 4,382,884 ACiba-Geigy Corporation · 1983
- Intumescent compositions and substrates coated therewith65US 3,955,987 AMonsanto Research Corporation · 1976
- Fire retardant compositions63US 4,168,175 AVitrofil Corporation · 1979
- Fire retardant with mold inhibitor62US 6,982,049 B1No-Burn Investments, L.L.C. · 2006