C04B 2111/285
Intumescent materials
Official title: {Intumescent materials}
C04B2111/285 (Intumescent materials) appears on 41 US grants and 45 published applications in this corpus.
Search patents in C04B- Granted patents
- 41
- Published applications
- 45
- Assignees
- 35
- Inventors
- 147
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 3 |
| 2005 | 0 | 3 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 1 | 2 |
| 2012 | 3 | 2 |
| 2013 | 3 | 2 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 2 |
| 2019 | 2 | 1 |
| 2020 | 2 | 2 |
| 2021 | 2 | 1 |
| 2022 | 2 | 2 |
| 2023 | 1 | 3 |
| 2024 | 0 | 7 |
| 2025 | 3 | 6 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gypsum based building material2 Jun 2026US 12,643,823 B2Knauf Gips KG
- Composite article comprising aerogel particles and ceramic fibers27 Jan 2026US 12,534,409 B2Armacell Enterprise GmbH
- Composite article comprising aerogel particles, ceramic and/or glass fibers and opacifiers30 Dec 2025US 12,509,399 B2Armacell Enterprise GmbH
- Composite article comprising aerogel particles and ceramic fiber sheets23 Dec 2025US 12,503,400 B2Armacell Enterprise GmbH
- Ultra-high temperature resistant cement slurry system for cementing and preparation method and use thereof20 May 2025US 12,305,116 B2Beijing Huamei Inc. CNPC
- Intumescent sheet used in an electric vehicle battery for thermal runaway management3 Sep 2026US 2026/0260988 A1Aerogel R&D Pte. Ltd.
- Active and passive integrated fireproof heat-insulating board and preparation method thereof23 Apr 2026US 2026/0109648 A1China State Construction Hailong Technology Company Limited
- Damage resistant ceramic matrix composites4 Dec 2025US 2025/0368579 A1Rtx Corporation
- Damage resistant ceramic matrix composites4 Dec 2025US 2025/0368580 A1Rtx Corporation
- Gypsum Panel Containing an Intercalated Additive21 Aug 2025US 2025/0263342 A1Gold Bond Building Products, LLC
Most cited
By later US patents
- Fire-resistant gypsum panel98US 7,776,170 B2United States Gypsum Company · 2010
- Intumescent sheet72US 5,384,188 AThe Carborundum Company · 1995
- Fire-resistant gypsum building materials70US 5,945,208 AG-P Gypsum Corporation · 1999
- Firedoor constructions including gypsum building product61US 5,155,959 AGeorgia-Pacific Corporation · 1992
- Intumescent sheet material52US 5,869,010 AMinnesota Mining and Manufacturing Company · 1999