C04B 26/122
Phenol-formaldehyde condensation polymers
Official title: {Phenol-formaldehyde condensation polymers}
C04B26/122 (Phenol-formaldehyde condensation polymers) appears on 70 US grants and 23 published applications in this corpus.
Search patents in C04B- Granted patents
- 70
- Published applications
- 23
- Assignees
- 42
- Inventors
- 148
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 12 | 0 |
| 1994 | 7 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 1 |
| 2014 | 0 | 3 |
| 2015 | 0 | 2 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 2 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 3 |
| 2023 | 0 | 0 |
| 2024 | 2 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Expandable acoustic reinforcement member and manufacturing method therefor and use thereof12 May 2026US 12,627,920 B2SSI New Material (Zhenjiang) Co., Ltd.
- Friction material21 Jan 2025US 12,202,771 B2Nisshinbo Brake, Inc.
- Friction material24 Dec 2024US 12,172,926 B2Nisshinbo Brake, Inc.
- Binder, method for manufacturing same and method for manufacturing casting sand mold19 Mar 2024US 11,932,732 B2DIC Corporation
- Production technology of friction material for brake pad of construction waste filling material2 Jun 2020US 10,670,100 B2Jiangsu Jinmaisui New Energy Technology Co,, Ltd.
- Systems and methods for improved composite materials using coal char30 Jul 2026US 2026/0217952 A1University of Wyoming
- Expandable acoustic reinforcement member and manufacturing method therefor and use thereof3 Oct 2024US 2024/0334116 A1SSI New Material (Zhenjiang) Co., Ltd.
- Polymer Concrete for Integrated Radiation Shielding1 Dec 2022US 2022/0384064 A1UNM Rainforest Innovations
- Friction material11 Aug 2022US 2022/0250983 A1Nisshinbo Brake, Inc.
- Friction material11 Aug 2022US 2022/0250984 A1Nisshinbo Brake, Inc.
Most cited
By later US patents
- 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
- Phenol-formaldehyde resin solution containing water soluble alkaline earth metal salt21US 4,904,516 A1990