C04B 26/12
Condensation polymers of aldehydes or ketones
C04B26/12 (Condensation polymers of aldehydes or ketones) appears on 136 US grants and 71 published applications in this corpus.
Search patents in C04B- Granted patents
- 136
- Published applications
- 71
- Assignees
- 87
- Inventors
- 304
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 8 | 0 |
| 1979 | 7 | 0 |
| 1980 | 9 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 12 | 0 |
| 1994 | 7 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 5 |
| 2010 | 2 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 3 |
| 2013 | 2 | 1 |
| 2014 | 1 | 4 |
| 2015 | 0 | 5 |
| 2016 | 1 | 5 |
| 2017 | 4 | 2 |
| 2018 | 2 | 4 |
| 2019 | 3 | 4 |
| 2020 | 5 | 5 |
| 2021 | 4 | 3 |
| 2022 | 3 | 7 |
| 2023 | 7 | 6 |
| 2024 | 4 | 4 |
| 2025 | 5 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Expandable acoustic reinforcement member and manufacturing method therefor and use thereof12 May 2026US 12,627,920 B2SSI New Material (Zhenjiang) Co., Ltd.
- 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
- Fire-class reinforced aerogel compositions9 Sep 2025US 12,409,428 B2Aspen Aerogels, Inc.
- Systems and methods for improved composite materials using coal char30 Jul 2026US 2026/0217952 A1University of Wyoming
- Refractory lining design for magnetic separation19 Jun 2025US 2025/0196157 A1HarbisonWalker International Holdings, Inc.
- Exothermic Welding System1 May 2025US 2025/0136837 A1ERICO International Corporation
- Process for the preparation of a bonding resin24 Apr 2025US 2025/0129198 A1Stora Enso OYJ
- Refractory lining design for magnetic separation19 Dec 2024US 2024/0416360 A1HarbisonWalker International Holdings, Inc.
Most cited
By later US patents
- Fire-resistant construction material49US 4,176,115 AChampion International Corporation · 1979
- Non-flammable insulating material27US 4,190,547 ABASF SE · 1980
- Phenolic resin composition26US 5,340,888 ABorden, Inc. · 1994
- High temperature mineral fiber binder25US 4,176,105 ACertain Teed Corporation · 1979
- Method for making a phenolic resole resin composition having extended work life24US 5,096,983 ABorden, Inc. · 1992