C04B 41/4823
Phenol-formaldehyde condensation products
Official title: {Phenol-formaldehyde condensation products}
C04B41/4823 (Phenol-formaldehyde condensation products) appears on 15 US grants and 14 published applications in this corpus.
Search patents in C04B- Granted patents
- 15
- Published applications
- 14
- Assignees
- 16
- Inventors
- 47
- Latest grant
- 22 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 4 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Shape-stable structures with ablative cooling22 Jul 2025US 12,365,635 B2Lawrence Livermore National Security, LLC
- Ceramic assembly and method of forming the same24 Oct 2023US 11,795,116 B2Corning Incorporated
- Nanocomposite coated proppants and methods of making and use thereof27 Apr 2021US 10,988,681 B2Saudi Arabian Oil Company
- Plastic component comprising a carbon filler20 Apr 2021US 10,981,834 B2Sgl Carbon SE
- Fracturing fluid compositions having Portland cement clinker and methods of use5 Jan 2021US 10,883,043 B2Saudi Arabian Oil Company
- Additive or sealing composition for cementitous compositions, cementitious composition, methods of manufacturing the same, and methods of preparing a cementitious structure and treating a surface thereof29 May 2025US 2025/0171370 A1Construction Research & Technology GmbH
- Thermally insulative compositions25 Jul 2024US 2024/0247750 A1Nanotech Inc.
- Shape-stable structures with ablative cooling1 Feb 2024US 2024/0034687 A1Lawrence Livermore National Security, LLC
- Ceramic assembly and method of forming the same18 Feb 2021US 2021/0047243 A1Corning Incorporated
- Fracturing Fluid Compositions Having Portland Cement Clinker and Methods of Use15 Oct 2020US 2020/0325388 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Phenol-formaldehyde resin solution containing water soluble alkaline earth metal salt21US 4,904,516 A1990
- Lithium-containing resole composition for making a shaped refractory article and other hardened articles18US 4,939,188 ABorden, Inc. · 1990
- Impregnated ceramic core and method of making11US 6,720,028 B1Howmet Research Corporation · 2004
- Method of making a composite material9US 5,364,571 AAvco Corporation · 1994
- Sealant for high strength carbon foam6US 7,232,606 B2UCAR Carbon Company Inc. · 2007